diff --git a/build-all.sh b/build-all.sh index 51894e1..8e24777 100755 --- a/build-all.sh +++ b/build-all.sh @@ -87,8 +87,11 @@ then # ADD NEW MODULES HERE # (add new modules above the rest so you get quicker feedback if it fails) build_gradle_module "spring-boot/hibernate-search" + build_maven_module "core-java/streams/fileswithstreams" + build_maven_module "spring-boot/spring-boot-health-check" build_maven_module "spring-boot/spring-boot-logging-2" build_maven_module "spring-boot/spring-boot-docker" + build_maven_module "spring-boot/spring-component-scanning" build_gradle_module "spring-boot/devtools-demo" build_gradle_module "spring-boot/cache" build_gradle_module "spring-boot/bean-lifecycle" diff --git a/core-java/streams/fileswithstreams/.gitignore b/core-java/streams/fileswithstreams/.gitignore new file mode 100644 index 0000000..b83d222 --- /dev/null +++ b/core-java/streams/fileswithstreams/.gitignore @@ -0,0 +1 @@ +/target/ diff --git a/core-java/streams/fileswithstreams/.mvn/wrapper/MavenWrapperDownloader.java b/core-java/streams/fileswithstreams/.mvn/wrapper/MavenWrapperDownloader.java new file mode 100644 index 0000000..b901097 --- /dev/null +++ b/core-java/streams/fileswithstreams/.mvn/wrapper/MavenWrapperDownloader.java @@ -0,0 +1,117 @@ +/* + * Copyright 2007-present the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +import java.net.*; +import java.io.*; +import java.nio.channels.*; +import java.util.Properties; + +public class MavenWrapperDownloader { + + private static final String WRAPPER_VERSION = "0.5.6"; + /** + * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. + */ + private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" + + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; + + /** + * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to + * use instead of the default one. + */ + private static final String MAVEN_WRAPPER_PROPERTIES_PATH = + ".mvn/wrapper/maven-wrapper.properties"; + + /** + * Path where the maven-wrapper.jar will be saved to. + */ + private static final String MAVEN_WRAPPER_JAR_PATH = + ".mvn/wrapper/maven-wrapper.jar"; + + /** + * Name of the property which should be used to override the default download url for the wrapper. + */ + private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; + + public static void main(String args[]) { + System.out.println("- Downloader started"); + File baseDirectory = new File(args[0]); + System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); + + // If the maven-wrapper.properties exists, read it and check if it contains a custom + // wrapperUrl parameter. + File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); + String url = DEFAULT_DOWNLOAD_URL; + if(mavenWrapperPropertyFile.exists()) { + FileInputStream mavenWrapperPropertyFileInputStream = null; + try { + mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); + Properties mavenWrapperProperties = new Properties(); + mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); + url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); + } catch (IOException e) { + System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); + } finally { + try { + if(mavenWrapperPropertyFileInputStream != null) { + mavenWrapperPropertyFileInputStream.close(); + } + } catch (IOException e) { + // Ignore ... + } + } + } + System.out.println("- Downloading from: " + url); + + File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); + if(!outputFile.getParentFile().exists()) { + if(!outputFile.getParentFile().mkdirs()) { + System.out.println( + "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); + } + } + System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); + try { + downloadFileFromURL(url, outputFile); + System.out.println("Done"); + System.exit(0); + } catch (Throwable e) { + System.out.println("- Error downloading"); + e.printStackTrace(); + System.exit(1); + } + } + + private static void downloadFileFromURL(String urlString, File destination) throws Exception { + if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { + String username = System.getenv("MVNW_USERNAME"); + char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); + Authenticator.setDefault(new Authenticator() { + @Override + protected PasswordAuthentication getPasswordAuthentication() { + return new PasswordAuthentication(username, password); + } + }); + } + URL website = new URL(urlString); + ReadableByteChannel rbc; + rbc = Channels.newChannel(website.openStream()); + FileOutputStream fos = new FileOutputStream(destination); + fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); + fos.close(); + rbc.close(); + } + +} diff --git a/core-java/streams/fileswithstreams/.mvn/wrapper/maven-wrapper.jar b/core-java/streams/fileswithstreams/.mvn/wrapper/maven-wrapper.jar new file mode 100644 index 0000000..2cc7d4a Binary files /dev/null and b/core-java/streams/fileswithstreams/.mvn/wrapper/maven-wrapper.jar differ diff --git a/core-java/streams/fileswithstreams/.mvn/wrapper/maven-wrapper.properties b/core-java/streams/fileswithstreams/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000..642d572 --- /dev/null +++ b/core-java/streams/fileswithstreams/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,2 @@ +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip +wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar diff --git a/core-java/streams/fileswithstreams/.settings/org.eclipse.jdt.core.prefs b/core-java/streams/fileswithstreams/.settings/org.eclipse.jdt.core.prefs new file mode 100644 index 0000000..2bd4e77 --- /dev/null +++ b/core-java/streams/fileswithstreams/.settings/org.eclipse.jdt.core.prefs @@ -0,0 +1,16 @@ +eclipse.preferences.version=1 +org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled +org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate +org.eclipse.jdt.core.compiler.codegen.targetPlatform=11 +org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve +org.eclipse.jdt.core.compiler.compliance=11 +org.eclipse.jdt.core.compiler.debug.lineNumber=generate +org.eclipse.jdt.core.compiler.debug.localVariable=generate +org.eclipse.jdt.core.compiler.debug.sourceFile=generate +org.eclipse.jdt.core.compiler.problem.assertIdentifier=error +org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled +org.eclipse.jdt.core.compiler.problem.enumIdentifier=error +org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning +org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning +org.eclipse.jdt.core.compiler.release=disabled +org.eclipse.jdt.core.compiler.source=11 diff --git a/core-java/streams/fileswithstreams/.settings/org.eclipse.m2e.core.prefs b/core-java/streams/fileswithstreams/.settings/org.eclipse.m2e.core.prefs new file mode 100644 index 0000000..f897a7f --- /dev/null +++ b/core-java/streams/fileswithstreams/.settings/org.eclipse.m2e.core.prefs @@ -0,0 +1,4 @@ +activeProfiles= +eclipse.preferences.version=1 +resolveWorkspaceProjects=true +version=1 diff --git a/core-java/streams/fileswithstreams/README.md b/core-java/streams/fileswithstreams/README.md new file mode 100644 index 0000000..e49cb31 --- /dev/null +++ b/core-java/streams/fileswithstreams/README.md @@ -0,0 +1,5 @@ +# Files with streams Code Examples + +## Related Blog Articles + +* [Processing Files using Java 8 Streams](https://reflectoring.io/processing-files-using-java-8-streams/) diff --git a/core-java/streams/fileswithstreams/mvnw b/core-java/streams/fileswithstreams/mvnw new file mode 100755 index 0000000..41c0f0c --- /dev/null +++ b/core-java/streams/fileswithstreams/mvnw @@ -0,0 +1,310 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ] ; then + + if [ -f /etc/mavenrc ] ; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ] ; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false; +darwin=false; +mingw=false +case "`uname`" in + CYGWIN*) cygwin=true ;; + MINGW*) mingw=true;; + Darwin*) darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="`/usr/libexec/java_home`" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ] ; then + if [ -r /etc/gentoo-release ] ; then + JAVA_HOME=`java-config --jre-home` + fi +fi + +if [ -z "$M2_HOME" ] ; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG="`dirname "$PRG"`/$link" + fi + done + + saveddir=`pwd` + + M2_HOME=`dirname "$PRG"`/.. + + # make it fully qualified + M2_HOME=`cd "$M2_HOME" && pwd` + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin ; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --unix "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --unix "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --unix "$CLASSPATH"` +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw ; then + [ -n "$M2_HOME" ] && + M2_HOME="`(cd "$M2_HOME"; pwd)`" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="`which javac`" + if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=`which readlink` + if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then + if $darwin ; then + javaHome="`dirname \"$javaExecutable\"`" + javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" + else + javaExecutable="`readlink -f \"$javaExecutable\"`" + fi + javaHome="`dirname \"$javaExecutable\"`" + javaHome=`expr "$javaHome" : '\(.*\)/bin'` + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ] ; then + if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + else + JAVACMD="`which java`" + fi +fi + +if [ ! -x "$JAVACMD" ] ; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ] ; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ] + then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ] ; do + if [ -d "$wdir"/.mvn ] ; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=`cd "$wdir/.."; pwd` + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' < "$1")" + fi +} + +BASE_DIR=`find_maven_basedir "$(pwd)"` +if [ -z "$BASE_DIR" ]; then + exit 1; +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in (wrapperUrl) jarUrl="$value"; break ;; + esac + done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` + fi + + if command -v wget > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=`cygpath --path --windows "$javaClass"` + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --path --windows "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --windows "$CLASSPATH"` + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/core-java/streams/fileswithstreams/mvnw.cmd b/core-java/streams/fileswithstreams/mvnw.cmd new file mode 100644 index 0000000..8611571 --- /dev/null +++ b/core-java/streams/fileswithstreams/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/core-java/streams/fileswithstreams/pom.xml b/core-java/streams/fileswithstreams/pom.xml new file mode 100644 index 0000000..d4be1cd --- /dev/null +++ b/core-java/streams/fileswithstreams/pom.xml @@ -0,0 +1,34 @@ + + 4.0.0 + fileswithstreams + fileswithstreams + 0.0.1-SNAPSHOT + fileswithstreams + File management with streams + + + + junit + junit + 4.13 + test + + + + + + + org.apache.maven.plugins + maven-compiler-plugin + + 11 + 11 + + + + + + + \ No newline at end of file diff --git a/core-java/streams/fileswithstreams/src/main/java/io/reflectoring/fileswithstreams/Cake.java b/core-java/streams/fileswithstreams/src/main/java/io/reflectoring/fileswithstreams/Cake.java new file mode 100644 index 0000000..b28b09c --- /dev/null +++ b/core-java/streams/fileswithstreams/src/main/java/io/reflectoring/fileswithstreams/Cake.java @@ -0,0 +1,18 @@ +package io.reflectoring.fileswithstreams; + +public class Cake { + private int id; + private String name; + private int price; + + public Cake(int id, String name, int price) { + this.id = id; + this.name = name; + this.price = price; + } + + @Override + public String toString() { + return "Cake [id=" + id + ", name=" + name + ", price=" + price + "]"; + } +} diff --git a/core-java/streams/fileswithstreams/src/main/java/io/reflectoring/fileswithstreams/FilesWithStreams.java b/core-java/streams/fileswithstreams/src/main/java/io/reflectoring/fileswithstreams/FilesWithStreams.java new file mode 100644 index 0000000..806d28e --- /dev/null +++ b/core-java/streams/fileswithstreams/src/main/java/io/reflectoring/fileswithstreams/FilesWithStreams.java @@ -0,0 +1,209 @@ +package io.reflectoring.fileswithstreams; + +import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.Arrays; +import java.util.List; +import java.util.Optional; +import java.util.Set; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; +import java.util.regex.Pattern; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class FilesWithStreams { + + static String folderPath = "src/main/resources/books"; + static String filePath = "src/main/resources/books/bookIndex.txt"; + static String csvPath = "src/main/resources/cakes.csv"; + static String utfFilePath = "src/main/resources/input.txt"; + static String jarFile = "src/main/resources/books.zip"; + + public static void main(String[] args) throws IOException { + System.out.println("-------------------Files with Streams------------------ "); + + System.out.println("-------------------Introductory Example------------------ "); + + processWithStream(); + + System.out.println( + "\r\n" + "-------------------Example 1 - Reading line by line from a file------------------ " + "\r\n"); + + readLineByLineUsingFiles(); + + System.out.println( + "\r\n" + "-------------------Example 2 - Reading with Buffered Reader------------------" + "\r\n"); + + readLineByLineUsingBufferedReader(); + + System.out.println( + "\r\n" + "-------------------Example 3 - Reading all lines from a file------------------ " + "\r\n"); + + readAllLinesUsingFiles(); + + System.out.println( + "\r\n" + "...................Example 4 - Reading with parallel streams------------------ " + "\r\n"); + + readWithParallelStreamAndPrint(); + + System.out.println( + "\r\n" + "-------------------Example 5 - Reading UTF-encoded file------------------ " + "\r\n"); + + readUtfEncodedFile(); + + System.out.println( + "\r\n" + "-------------------Example 6 - Reading, Filtering and Counting------------------ " + "\r\n"); + + readFilterCountFromFile(); + + System.out.println("\r\n" + "-------------------Example 7 - Splitting Words------------------ " + "\r\n"); + + splitWordsFromFile(); + + System.out.println("\r\n" + "-------------------Example 8 - Loading from CSV - ------------------ " + "\r\n"); + + loadItemsFromCsvFile(); + + System.out.println("\r\n" + "...................Example 9 - Listing Directories------------------ " + "\r\n"); + + listDirectories(); + + System.out + .println("\r\n" + "...................Example 10 - Listing Regular Files------------------ " + "\r\n"); + + listRegularFiles(); + + System.out.println( + "\r\n" + "...................Example 11 - Walking Files Recursively------------------ " + "\r\n"); + + walkFilesRecursively(); + + System.out.println("\r\n" + "...................Example 12 - Finding Files------------------ " + "\r\n"); + + findFiles(); + + System.out.println( + "\r\n" + "...................Example 13 - Printing JAR fie contents------------------ " + "\r\n"); + + printJarFileContents(); + + System.out.println("...................Example 14 - Printing Matching JAR entries------------------ " + "\r\n"); + + printMatchingJarEntries(); + + } + + static void processWithStream() { + List cities = Arrays.asList("London", "Sydney", "Colombo", "Cairo", "Beijing"); + cities.stream().filter(a -> a.startsWith("C")).map(String::toUpperCase).sorted().forEach(System.out::println); + + } + + static void readLineByLineUsingFiles() throws IOException { + try (Stream lines = Files.lines(Path.of(filePath))) { + lines.forEach(System.out::println); + } + } + + static void readLineByLineUsingBufferedReader() throws IOException { + try (Stream lines = (Files.newBufferedReader(Paths.get(filePath)).lines())) { + lines.forEach(System.out::println); + } + } + + static void readAllLinesUsingFiles() throws IOException { + List strList = Files.readAllLines(Path.of(filePath)); + Stream lines = strList.stream(); + lines.forEach(System.out::println); + } + + static void readUtfEncodedFile() throws IOException { + try (Stream lines = Files.lines(Path.of(utfFilePath), StandardCharsets.UTF_8)) { + lines.forEach(System.out::println); + } + } + + static void loadItemsFromCsvFile() throws IOException { + Pattern pattern = Pattern.compile(","); + try (Stream lines = Files.lines(Path.of(csvPath))) { + List cakes = lines.skip(1).map(line -> { + String[] arr = pattern.split(line); + return new Cake(Integer.parseInt(arr[0]), arr[1], Integer.parseInt(arr[2])); + }).collect(Collectors.toList()); + cakes.forEach(System.out::println); + } + } + + static void readFilterCountFromFile() throws IOException { + try (Stream lines = Files.lines(Path.of(filePath))) { + long i = lines.filter(line -> line.startsWith("A")).count(); + System.out.println("The count of lines starting with 'A' is " + i); + + } + } + + static void splitWordsFromFile() throws IOException { + try (Stream lines = Files.lines(Path.of(filePath))) { + Stream words = lines.flatMap(line -> Stream.of(line.split("\\W+"))); + Set wordSet = words.collect(Collectors.toSet()); + System.out.println(wordSet); + } + } + + static void listDirectories() throws IOException { + try (Stream paths = Files.list(Path.of(folderPath))) { + paths.filter(Files::isDirectory).forEach(System.out::println); + } + } + + static void listRegularFiles() throws IOException { + try (Stream paths = Files.list(Path.of(folderPath))) { + paths.filter(Files::isRegularFile).forEach(System.out::println); + } + } + + static void walkFilesRecursively() throws IOException { + try (Stream stream = Files.walk(Path.of(folderPath))) { + stream.filter(Files::isRegularFile).forEach(System.out::println); + } + } + + static void findFiles() throws IOException { + int depth = Integer.MAX_VALUE; + try (Stream paths = Files.find(Path.of(folderPath), depth, (path, attr) -> { + return attr.isRegularFile() && path.toString().endsWith(".pdf"); + })) { + + paths.forEach(System.out::println); + + } + + } + + static void printJarFileContents() throws IOException { + try (JarFile jFile = new JarFile(jarFile)) { + jFile.stream().forEach(file -> System.out.println(file)); + + } + } + + static void printMatchingJarEntries() throws IOException { + try (JarFile jFile = new JarFile(jarFile)) { + Optional searchResult = jFile.stream().filter(file -> file.getName().contains("Matilda")) + .findAny(); + System.out.println(searchResult.get()); + + } + } + + static void readWithParallelStreamAndPrint() throws IOException { + try (Stream lines = (Files.lines(Path.of(filePath)).parallel())) { + lines.forEach(System.out::println); + } + } + +} diff --git a/core-java/streams/fileswithstreams/src/main/resources/books.zip b/core-java/streams/fileswithstreams/src/main/resources/books.zip new file mode 100644 index 0000000..01789ea Binary files /dev/null and b/core-java/streams/fileswithstreams/src/main/resources/books.zip differ diff --git a/core-java/streams/fileswithstreams/src/main/resources/books/bookIndex.txt b/core-java/streams/fileswithstreams/src/main/resources/books/bookIndex.txt new file mode 100644 index 0000000..8dd1f28 --- /dev/null +++ b/core-java/streams/fileswithstreams/src/main/resources/books/bookIndex.txt @@ -0,0 +1,5 @@ +Pride and Prejudice- pride-and-prejudice.pdf +Anne of Avonlea - anne-of-avonlea.pdf +Anne of Green Gables - anne-of-green-gables.pdf +Matilda - Matilda.pdf +Why Icebergs Float - Why-Icebergs-Float.pdf diff --git a/core-java/streams/fileswithstreams/src/main/resources/books/fiction/adults/pride-and-prejudice.pdf b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/adults/pride-and-prejudice.pdf new file mode 100644 index 0000000..533227e Binary files /dev/null and b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/adults/pride-and-prejudice.pdf differ diff --git a/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/Matilda.pdf b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/Matilda.pdf new file mode 100644 index 0000000..7998221 Binary files /dev/null and b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/Matilda.pdf differ diff --git a/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/anne-of-avonlea.pdf b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/anne-of-avonlea.pdf new file mode 100644 index 0000000..1c330fd Binary files /dev/null and b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/anne-of-avonlea.pdf differ diff --git a/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/anne-of-green-gables.pdf b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/anne-of-green-gables.pdf new file mode 100644 index 0000000..8a4dd3b Binary files /dev/null and b/core-java/streams/fileswithstreams/src/main/resources/books/fiction/kids/anne-of-green-gables.pdf differ diff --git a/core-java/streams/fileswithstreams/src/main/resources/books/non-fiction/Why-Icebergs-Float.pdf b/core-java/streams/fileswithstreams/src/main/resources/books/non-fiction/Why-Icebergs-Float.pdf new file mode 100644 index 0000000..66157d4 Binary files /dev/null and b/core-java/streams/fileswithstreams/src/main/resources/books/non-fiction/Why-Icebergs-Float.pdf differ diff --git a/core-java/streams/fileswithstreams/src/main/resources/cakes.csv b/core-java/streams/fileswithstreams/src/main/resources/cakes.csv new file mode 100644 index 0000000..b35707f --- /dev/null +++ b/core-java/streams/fileswithstreams/src/main/resources/cakes.csv @@ -0,0 +1,6 @@ +#Cakes +1, Pound Cake,100 +2, Red Velvet Cake,500 +3, Carrot Cake,300 +4, Sponge Cake,400 +5, Chiffon Cake,600 diff --git a/core-java/streams/fileswithstreams/src/main/resources/input.txt b/core-java/streams/fileswithstreams/src/main/resources/input.txt new file mode 100644 index 0000000..5397e22 --- /dev/null +++ b/core-java/streams/fileswithstreams/src/main/resources/input.txt @@ -0,0 +1 @@ +akarui _ あかるい _ bright diff --git a/core-java/streams/fileswithstreams/src/main/resources/paths.properties b/core-java/streams/fileswithstreams/src/main/resources/paths.properties new file mode 100644 index 0000000..fb67a82 --- /dev/null +++ b/core-java/streams/fileswithstreams/src/main/resources/paths.properties @@ -0,0 +1 @@ +/home/u1026/workspace/Learn/junit-5-basics/src/main/resources/books/ \ No newline at end of file diff --git a/spring-boot/spring-boot-health-check/.DS_Store b/spring-boot/spring-boot-health-check/.DS_Store new file mode 100644 index 0000000..5008ddf Binary files /dev/null and b/spring-boot/spring-boot-health-check/.DS_Store differ diff --git a/spring-boot/spring-boot-health-check/.gitignore b/spring-boot/spring-boot-health-check/.gitignore new file mode 100644 index 0000000..549e00a --- /dev/null +++ b/spring-boot/spring-boot-health-check/.gitignore @@ -0,0 +1,33 @@ +HELP.md +target/ +!.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ diff --git a/spring-boot/spring-boot-health-check/.mvn/wrapper/MavenWrapperDownloader.java b/spring-boot/spring-boot-health-check/.mvn/wrapper/MavenWrapperDownloader.java new file mode 100644 index 0000000..b901097 --- /dev/null +++ b/spring-boot/spring-boot-health-check/.mvn/wrapper/MavenWrapperDownloader.java @@ -0,0 +1,117 @@ +/* + * Copyright 2007-present the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +import java.net.*; +import java.io.*; +import java.nio.channels.*; +import java.util.Properties; + +public class MavenWrapperDownloader { + + private static final String WRAPPER_VERSION = "0.5.6"; + /** + * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. + */ + private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" + + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; + + /** + * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to + * use instead of the default one. + */ + private static final String MAVEN_WRAPPER_PROPERTIES_PATH = + ".mvn/wrapper/maven-wrapper.properties"; + + /** + * Path where the maven-wrapper.jar will be saved to. + */ + private static final String MAVEN_WRAPPER_JAR_PATH = + ".mvn/wrapper/maven-wrapper.jar"; + + /** + * Name of the property which should be used to override the default download url for the wrapper. + */ + private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; + + public static void main(String args[]) { + System.out.println("- Downloader started"); + File baseDirectory = new File(args[0]); + System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); + + // If the maven-wrapper.properties exists, read it and check if it contains a custom + // wrapperUrl parameter. + File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); + String url = DEFAULT_DOWNLOAD_URL; + if(mavenWrapperPropertyFile.exists()) { + FileInputStream mavenWrapperPropertyFileInputStream = null; + try { + mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); + Properties mavenWrapperProperties = new Properties(); + mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); + url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); + } catch (IOException e) { + System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); + } finally { + try { + if(mavenWrapperPropertyFileInputStream != null) { + mavenWrapperPropertyFileInputStream.close(); + } + } catch (IOException e) { + // Ignore ... + } + } + } + System.out.println("- Downloading from: " + url); + + File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); + if(!outputFile.getParentFile().exists()) { + if(!outputFile.getParentFile().mkdirs()) { + System.out.println( + "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); + } + } + System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); + try { + downloadFileFromURL(url, outputFile); + System.out.println("Done"); + System.exit(0); + } catch (Throwable e) { + System.out.println("- Error downloading"); + e.printStackTrace(); + System.exit(1); + } + } + + private static void downloadFileFromURL(String urlString, File destination) throws Exception { + if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { + String username = System.getenv("MVNW_USERNAME"); + char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); + Authenticator.setDefault(new Authenticator() { + @Override + protected PasswordAuthentication getPasswordAuthentication() { + return new PasswordAuthentication(username, password); + } + }); + } + URL website = new URL(urlString); + ReadableByteChannel rbc; + rbc = Channels.newChannel(website.openStream()); + FileOutputStream fos = new FileOutputStream(destination); + fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); + fos.close(); + rbc.close(); + } + +} diff --git a/spring-boot/spring-boot-health-check/.mvn/wrapper/maven-wrapper.jar b/spring-boot/spring-boot-health-check/.mvn/wrapper/maven-wrapper.jar new file mode 100644 index 0000000..2cc7d4a Binary files /dev/null and b/spring-boot/spring-boot-health-check/.mvn/wrapper/maven-wrapper.jar differ diff --git a/spring-boot/spring-boot-health-check/.mvn/wrapper/maven-wrapper.properties b/spring-boot/spring-boot-health-check/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000..642d572 --- /dev/null +++ b/spring-boot/spring-boot-health-check/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,2 @@ +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip +wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar diff --git a/spring-boot/spring-boot-health-check/Dockerfile b/spring-boot/spring-boot-health-check/Dockerfile new file mode 100644 index 0000000..500563d --- /dev/null +++ b/spring-boot/spring-boot-health-check/Dockerfile @@ -0,0 +1,5 @@ +FROM adoptopenjdk:11-jre-hotspot +ARG JAR_FILE=target/*.jar +COPY ${JAR_FILE} application.jar +EXPOSE 8080 +ENTRYPOINT ["java","-jar","/application.jar"] \ No newline at end of file diff --git a/spring-boot/spring-boot-health-check/README.md b/spring-boot/spring-boot-health-check/README.md new file mode 100644 index 0000000..16ccc28 --- /dev/null +++ b/spring-boot/spring-boot-health-check/README.md @@ -0,0 +1,3 @@ +# Related Blog Posts + +* [How to Configure Health Check in Spring Boot](https://reflectoring.io/spring-boot-health-check/) diff --git a/spring-boot/spring-boot-health-check/deployment.yaml b/spring-boot/spring-boot-health-check/deployment.yaml new file mode 100644 index 0000000..b36adae --- /dev/null +++ b/spring-boot/spring-boot-health-check/deployment.yaml @@ -0,0 +1,46 @@ +apiVersion: v1 +kind: Service +metadata: + name: usersignup-service + labels: + app: usersignup-service +spec: + ports: + - name: http + port: 8080 + targetPort: 8080 + selector: + app: usersignup +--- + +apiVersion: apps/v1 +kind: Deployment +metadata: + name: usersignup-svc-deployment +spec: + selector: + matchLabels: + app: usersignup + replicas: 3 + template: + metadata: + labels: + app: usersignup + spec: + containers: + - name: usersignupservice + image: pratikdas/usersignupservice:1.0 + ports: + - containerPort: 8080 + livenessProbe: + httpGet: + path: /actuator/health/liveness + port: 8080 + initialDelaySeconds: 15 + periodSeconds: 5 + readinessProbe: + httpGet: + path: /actuator/health/readiness + port: 8080 + initialDelaySeconds: 5 + periodSeconds: 5 \ No newline at end of file diff --git a/spring-boot/spring-boot-health-check/mvnw b/spring-boot/spring-boot-health-check/mvnw new file mode 100755 index 0000000..41c0f0c --- /dev/null +++ b/spring-boot/spring-boot-health-check/mvnw @@ -0,0 +1,310 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ] ; then + + if [ -f /etc/mavenrc ] ; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ] ; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false; +darwin=false; +mingw=false +case "`uname`" in + CYGWIN*) cygwin=true ;; + MINGW*) mingw=true;; + Darwin*) darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="`/usr/libexec/java_home`" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ] ; then + if [ -r /etc/gentoo-release ] ; then + JAVA_HOME=`java-config --jre-home` + fi +fi + +if [ -z "$M2_HOME" ] ; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG="`dirname "$PRG"`/$link" + fi + done + + saveddir=`pwd` + + M2_HOME=`dirname "$PRG"`/.. + + # make it fully qualified + M2_HOME=`cd "$M2_HOME" && pwd` + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin ; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --unix "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --unix "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --unix "$CLASSPATH"` +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw ; then + [ -n "$M2_HOME" ] && + M2_HOME="`(cd "$M2_HOME"; pwd)`" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="`which javac`" + if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=`which readlink` + if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then + if $darwin ; then + javaHome="`dirname \"$javaExecutable\"`" + javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" + else + javaExecutable="`readlink -f \"$javaExecutable\"`" + fi + javaHome="`dirname \"$javaExecutable\"`" + javaHome=`expr "$javaHome" : '\(.*\)/bin'` + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ] ; then + if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + else + JAVACMD="`which java`" + fi +fi + +if [ ! -x "$JAVACMD" ] ; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ] ; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ] + then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ] ; do + if [ -d "$wdir"/.mvn ] ; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=`cd "$wdir/.."; pwd` + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' < "$1")" + fi +} + +BASE_DIR=`find_maven_basedir "$(pwd)"` +if [ -z "$BASE_DIR" ]; then + exit 1; +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in (wrapperUrl) jarUrl="$value"; break ;; + esac + done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` + fi + + if command -v wget > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=`cygpath --path --windows "$javaClass"` + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --path --windows "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --windows "$CLASSPATH"` + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/spring-boot/spring-boot-health-check/mvnw.cmd b/spring-boot/spring-boot-health-check/mvnw.cmd new file mode 100644 index 0000000..8611571 --- /dev/null +++ b/spring-boot/spring-boot-health-check/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/spring-boot/spring-boot-health-check/pom.xml b/spring-boot/spring-boot-health-check/pom.xml new file mode 100644 index 0000000..5f3d2cd --- /dev/null +++ b/spring-boot/spring-boot-health-check/pom.xml @@ -0,0 +1,82 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.3.3.RELEASE + + + io.pratik.healthcheck + usersignup + 0.0.1-SNAPSHOT + usersignup + Demo project for Spring Boot Health Check + + + 11 + + + + + org.springframework.boot + spring-boot-starter-actuator + + + org.springframework.boot + spring-boot-starter-web + + + org.springframework.boot + spring-boot-starter-data-jpa + + + com.h2database + h2 + runtime + + + org.springframework.boot + spring-boot-starter-webflux + + + + org.projectlombok + lombok + + + + com.jayway.jsonpath + json-path + + + + + io.micrometer + micrometer-registry-prometheus + + + org.springframework.boot + spring-boot-starter-test + test + + + org.junit.vintage + junit-vintage-engine + + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/spring-boot/spring-boot-health-check/prometheus-config.yml b/spring-boot/spring-boot-health-check/prometheus-config.yml new file mode 100644 index 0000000..8124712 --- /dev/null +++ b/spring-boot/spring-boot-health-check/prometheus-config.yml @@ -0,0 +1,25 @@ +# my global config +global: + scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute. + evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute. + # scrape_timeout is set to the global default (10s). + +# Load rules once and periodically evaluate them according to the global 'evaluation_interval'. +rule_files: + # - "first_rules.yml" + # - "second_rules.yml" + +# A scrape configuration containing exactly one endpoint to scrape: +scrape_configs: + # The job name is added as a label `job=` to any timeseries scraped from this config. + - job_name: 'prometheus' + # metrics_path defaults to '/metrics' + # scheme defaults to 'http'. + static_configs: + - targets: ['127.0.0.1:9090'] + + - job_name: 'user sign up' + metrics_path: '/actuator/prometheus' + scrape_interval: 5s + static_configs: + - targets: ['100.154.10.29:8080'] \ No newline at end of file diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/.DS_Store b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/.DS_Store new file mode 100644 index 0000000..5008ddf Binary files /dev/null and b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/.DS_Store differ diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/DatabaseHealthContributor.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/DatabaseHealthContributor.java new file mode 100644 index 0000000..5a34c7e --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/DatabaseHealthContributor.java @@ -0,0 +1,32 @@ +package io.pratik.healthcheck.usersignup; + +import java.sql.Connection; +import java.sql.SQLException; +import java.sql.Statement; + +import javax.sql.DataSource; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.actuate.health.Health; +import org.springframework.boot.actuate.health.HealthContributor; +import org.springframework.boot.actuate.health.HealthIndicator; +import org.springframework.stereotype.Component; + +@Component("Database") +public class DatabaseHealthContributor implements HealthIndicator, HealthContributor { + + @Autowired + private DataSource ds; + + @Override + public Health health() { + try(Connection conn = ds.getConnection();){ + Statement stmt = conn.createStatement(); + stmt.execute("select FIRST_NAME,LAST_NAME,MOBILE,EMAIL from USERS"); + } catch (SQLException ex) { + return Health.outOfService().withException(ex).build(); + } + return Health.up().build(); + } + +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/FetchUsersAPIHealthContributor.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/FetchUsersAPIHealthContributor.java new file mode 100644 index 0000000..c7c01f4 --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/FetchUsersAPIHealthContributor.java @@ -0,0 +1,63 @@ +/** + * + */ +package io.pratik.healthcheck.usersignup; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.actuate.health.CompositeHealthContributor; +import org.springframework.boot.actuate.health.HealthContributor; +import org.springframework.boot.actuate.health.NamedContributor; +import org.springframework.stereotype.Component; + +/** + * @author Pratik Das + * + */ +@Component("FetchUsersAPI") +public class FetchUsersAPIHealthContributor + implements CompositeHealthContributor { + private Map + contributors = new LinkedHashMap<>(); + + @Autowired + public FetchUsersAPIHealthContributor( + UrlShortenerServiceHealthIndicator + urlShortenerServiceHealthContributor, + DatabaseHealthContributor + databaseHealthContributor) { + super(); + // First check if URL shortener service is reachable with + // Health Indicator of URL shortener service + contributors.put("urlShortener", + urlShortenerServiceHealthContributor); + // Check if USERS table used in the API can be queried with + //Health Indicator of Database + contributors.put("database", + databaseHealthContributor); + } + + /** + * return list of health contributors + */ + @Override + public Iterator> + iterator() { + return contributors.entrySet().stream() + .map((entry) -> + NamedContributor.of(entry.getKey(), + entry.getValue())).iterator(); + } + + @Override + public HealthContributor getContributor(String name) { + return contributors.get(name); + } + + +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/URLHelper.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/URLHelper.java new file mode 100644 index 0000000..b873cca --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/URLHelper.java @@ -0,0 +1,54 @@ +/** + * + */ +package io.pratik.healthcheck.usersignup; + +import reactor.netty.http.client.HttpClient; +import java.util.concurrent.TimeUnit; + +import org.springframework.http.HttpHeaders; +import org.springframework.http.MediaType; +import org.springframework.http.client.reactive.ReactorClientHttpConnector; +import org.springframework.web.reactive.function.BodyInserters; +import org.springframework.web.reactive.function.client.WebClient; + +import com.jayway.jsonpath.JsonPath; + +import io.netty.channel.ChannelOption; +import io.netty.handler.timeout.ReadTimeoutHandler; +import io.netty.handler.timeout.WriteTimeoutHandler; +import reactor.core.publisher.Mono; +import reactor.netty.tcp.TcpClient; + +/** + * @author Pratik Das + * + */ +public final class URLHelper { + public static String shortenURL(final String longURL) { + WebClient webClient = getWebClient("https://cleanuri.com"); + Mono apiResponse = webClient.post().uri("/api/v1/shorten") + .body(BodyInserters.fromMultipartData("url", longURL)) + .retrieve() + .bodyToMono(String.class); + String jsonResponse = apiResponse.block(); + + String shortenedURL = JsonPath.read(jsonResponse, "$.result_url"); + return shortenedURL; + } + + private static WebClient getWebClient(final String baseUrl) { + TcpClient tcpClient = TcpClient.create().option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 5000) + .doOnConnected(connection -> { + connection.addHandlerLast(new ReadTimeoutHandler(5000, TimeUnit.MILLISECONDS)); + connection.addHandlerLast(new WriteTimeoutHandler(5000, TimeUnit.MILLISECONDS)); + }); + + WebClient client = WebClient.builder() + .baseUrl(baseUrl) + .defaultHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE) + .clientConnector(new ReactorClientHttpConnector(HttpClient.from(tcpClient))).build(); + return client; + } + +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UrlShortenerServiceHealthIndicator.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UrlShortenerServiceHealthIndicator.java new file mode 100644 index 0000000..18106ae --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UrlShortenerServiceHealthIndicator.java @@ -0,0 +1,35 @@ +/** + * + */ +package io.pratik.healthcheck.usersignup; + +import java.net.Socket; + +import org.springframework.boot.actuate.health.Health; +import org.springframework.boot.actuate.health.HealthContributor; +import org.springframework.boot.actuate.health.HealthIndicator; +import org.springframework.stereotype.Component; + +import lombok.extern.slf4j.Slf4j; + +/** + * @author Pratik Das + * + */ +@Component +@Slf4j +public class UrlShortenerServiceHealthIndicator implements HealthIndicator, HealthContributor { + + private static final String URL = "https://cleanuri.com/api/v1/shorten"; + + @Override + public Health health() { + // check if url shortener service url is reachable + try (Socket socket = new Socket(new java.net.URL(URL).getHost(),80)) { + } catch (Exception e1) { + log.warn("Failed to connect to : {}",URL); + return Health.down().withDetail("error", e1.getMessage()).build(); + } + return Health.up().build(); + } +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/User.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/User.java new file mode 100644 index 0000000..a56229b --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/User.java @@ -0,0 +1,46 @@ +/** + * + */ +package io.pratik.healthcheck.usersignup; + +import javax.persistence.Entity; +import javax.persistence.Id; +import javax.persistence.Table; + +import lombok.Builder; +import lombok.Data; +import lombok.NoArgsConstructor; + +/** + * @author Pratik Das + * + */ +@Data +@Builder +@Entity +@NoArgsConstructor +@Table(name="USERS") +public class User { + + @Id + private String firstName; + private String lastName; + private String mobile; + private String email; + private String status; + private String profileURL; + + + public User(String firstName, String lastName, String mobile, String email, String status, String profileURL) { + super(); + this.firstName = firstName; + this.lastName = lastName; + this.mobile = mobile; + this.email = email; + this.status = status; + this.profileURL = profileURL==null?null:URLHelper.shortenURL(profileURL); + } + + + +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserController.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserController.java new file mode 100644 index 0000000..420b12a --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserController.java @@ -0,0 +1,43 @@ +/** + * + */ +package io.pratik.healthcheck.usersignup; + +import java.util.List; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.http.ResponseEntity.BodyBuilder; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RestController; + +@RestController +public class UserController { + + @Autowired + private UserService userService; + + @GetMapping("/users") + public List getUsers() { + return userService.getUsers(); + } + + @PostMapping("users") + public ResponseEntity addUser(@RequestBody User user) { + userService.addUser(user); + BodyBuilder response = ResponseEntity.status(HttpStatus.CREATED); + + return response.build(); + } + + @PostMapping("users/activate") + public ResponseEntity activateUser(@RequestBody User user) { + userService.addUser(user); + BodyBuilder response = ResponseEntity.status(HttpStatus.OK); + return response.build(); + } + +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserRepository.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserRepository.java new file mode 100644 index 0000000..f442569 --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserRepository.java @@ -0,0 +1,10 @@ +package io.pratik.healthcheck.usersignup; + +import org.springframework.data.jpa.repository.JpaRepository; +import org.springframework.stereotype.Repository; + +@Repository +public interface UserRepository extends JpaRepository{ + + +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserService.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserService.java new file mode 100644 index 0000000..3cd59ba --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UserService.java @@ -0,0 +1,38 @@ +package io.pratik.healthcheck.usersignup; + +import java.util.List; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import io.micrometer.core.instrument.MeterRegistry; +import lombok.extern.slf4j.Slf4j; + +@Service +@Slf4j +public class UserService { + + @Autowired + private UserRepository userRepository; + + private MeterRegistry meterRegistry; + public void addUser(User user) { + log.info("adding users {}",user); + // meterRegistry.counter("users", 1); + userRepository.save(user); + + } + + public void activateUser(User user) { + userRepository.save(user); + + } + + public List getUsers() { + + return userRepository.findAll(); + } + + + +} diff --git a/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UsersignupApplication.java b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UsersignupApplication.java new file mode 100644 index 0000000..12d8d6b --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/java/io/pratik/healthcheck/usersignup/UsersignupApplication.java @@ -0,0 +1,28 @@ +package io.pratik.healthcheck.usersignup; + +import org.springframework.beans.factory.InitializingBean; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Bean; + + +@SpringBootApplication +public class UsersignupApplication { + + @Autowired + private UserRepository userRepository; + + public static void main(String[] args) { + SpringApplication.run(UsersignupApplication.class, args); + } + @Bean + InitializingBean populateUsers() { + return () -> { + userRepository.deleteAll(); + userRepository.save(User.builder().firstName("Roger").lastName("Federer").profileURL("http://linkin.com/576567").build()); + userRepository.save(User.builder().firstName("Rafal").lastName("Nadal").build()); + userRepository.save(User.builder().firstName("Novak").lastName("Djokovik").build()); + }; + } +} diff --git a/spring-boot/spring-boot-health-check/src/main/resources/application.properties b/spring-boot/spring-boot-health-check/src/main/resources/application.properties new file mode 100644 index 0000000..e1f9c83 --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/resources/application.properties @@ -0,0 +1,12 @@ +# Show details of health endpoint +management.endpoint.health.show-details=always + +# Use "*" to expose all endpoints, or a comma-separated list to expose selected ones +# management.endpoints.web.exposure.include=health,info +management.endpoints.web.exposure.exclude= + +# Use "*" to expose all endpoints, or a comma-separated list to expose selected ones +management.endpoints.jmx.exposure.include=* +management.endpoints.jmx.exposure.exclude= +management.endpoints.web.exposure.include=health,info,prometheus +management.health.probes.enabled=true \ No newline at end of file diff --git a/spring-boot/spring-boot-health-check/src/main/resources/schema.sql b/spring-boot/spring-boot-health-check/src/main/resources/schema.sql new file mode 100644 index 0000000..71a4bfc --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/main/resources/schema.sql @@ -0,0 +1,9 @@ +DROP TABLE IF EXISTS USERS; + +CREATE TABLE USERS ( + FIRST_NAME VARCHAR(250) NOT NULL, + LAST_NAME VARCHAR(250) NOT NULL, + MOBILE VARCHAR(250) NULL, + EMAIL VARCHAR(250) NULL, + PROFILE_URL VARCHAR(250) NULL +); \ No newline at end of file diff --git a/spring-boot/spring-boot-health-check/src/test/java/io/pratik/healthcheck/usersignup/UsersignupApplicationTests.java b/spring-boot/spring-boot-health-check/src/test/java/io/pratik/healthcheck/usersignup/UsersignupApplicationTests.java new file mode 100644 index 0000000..9a7d35a --- /dev/null +++ b/spring-boot/spring-boot-health-check/src/test/java/io/pratik/healthcheck/usersignup/UsersignupApplicationTests.java @@ -0,0 +1,13 @@ +package io.pratik.healthcheck.usersignup; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class UsersignupApplicationTests { + + @Test + void contextLoads() { + } + +} diff --git a/spring-boot/spring-component-scanning/.mvn/wrapper/MavenWrapperDownloader.java b/spring-boot/spring-component-scanning/.mvn/wrapper/MavenWrapperDownloader.java new file mode 100644 index 0000000..e76d1f3 --- /dev/null +++ b/spring-boot/spring-component-scanning/.mvn/wrapper/MavenWrapperDownloader.java @@ -0,0 +1,117 @@ +/* + * Copyright 2007-present the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +import java.net.*; +import java.io.*; +import java.nio.channels.*; +import java.util.Properties; + +public class MavenWrapperDownloader { + + private static final String WRAPPER_VERSION = "0.5.6"; + /** + * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. + */ + private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" + + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; + + /** + * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to + * use instead of the default one. + */ + private static final String MAVEN_WRAPPER_PROPERTIES_PATH = + ".mvn/wrapper/maven-wrapper.properties"; + + /** + * Path where the maven-wrapper.jar will be saved to. + */ + private static final String MAVEN_WRAPPER_JAR_PATH = + ".mvn/wrapper/maven-wrapper.jar"; + + /** + * Name of the property which should be used to override the default download url for the wrapper. + */ + private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; + + public static void main(String args[]) { + System.out.println("- Downloader started"); + File baseDirectory = new File(args[0]); + System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); + + // If the maven-wrapper.properties exists, read it and check if it contains a custom + // wrapperUrl parameter. + File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); + String url = DEFAULT_DOWNLOAD_URL; + if(mavenWrapperPropertyFile.exists()) { + FileInputStream mavenWrapperPropertyFileInputStream = null; + try { + mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); + Properties mavenWrapperProperties = new Properties(); + mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); + url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); + } catch (IOException e) { + System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); + } finally { + try { + if(mavenWrapperPropertyFileInputStream != null) { + mavenWrapperPropertyFileInputStream.close(); + } + } catch (IOException e) { + // Ignore ... + } + } + } + System.out.println("- Downloading from: " + url); + + File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); + if(!outputFile.getParentFile().exists()) { + if(!outputFile.getParentFile().mkdirs()) { + System.out.println( + "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); + } + } + System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); + try { + downloadFileFromURL(url, outputFile); + System.out.println("Done"); + System.exit(0); + } catch (Throwable e) { + System.out.println("- Error downloading"); + e.printStackTrace(); + System.exit(1); + } + } + + private static void downloadFileFromURL(String urlString, File destination) throws Exception { + if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { + String username = System.getenv("MVNW_USERNAME"); + char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); + Authenticator.setDefault(new Authenticator() { + @Override + protected PasswordAuthentication getPasswordAuthentication() { + return new PasswordAuthentication(username, password); + } + }); + } + URL website = new URL(urlString); + ReadableByteChannel rbc; + rbc = Channels.newChannel(website.openStream()); + FileOutputStream fos = new FileOutputStream(destination); + fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); + fos.close(); + rbc.close(); + } + +} diff --git a/spring-boot/spring-component-scanning/.mvn/wrapper/maven-wrapper.jar b/spring-boot/spring-component-scanning/.mvn/wrapper/maven-wrapper.jar new file mode 100644 index 0000000..2cc7d4a Binary files /dev/null and b/spring-boot/spring-component-scanning/.mvn/wrapper/maven-wrapper.jar differ diff --git a/spring-boot/spring-component-scanning/.mvn/wrapper/maven-wrapper.properties b/spring-boot/spring-component-scanning/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000..642d572 --- /dev/null +++ b/spring-boot/spring-component-scanning/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,2 @@ +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip +wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar diff --git a/spring-boot/spring-component-scanning/README.md b/spring-boot/spring-component-scanning/README.md new file mode 100644 index 0000000..f203a56 --- /dev/null +++ b/spring-boot/spring-component-scanning/README.md @@ -0,0 +1,7 @@ +# Spring Component Scanning Example + +This code example helps to understand how to use Spring's component scanning and various attributes which we can tweak to get desired behavior. + +# Related Blog Posts + +- [Spring Component Scanning](https://reflectoring.io/spring-component-scanning/) diff --git a/spring-boot/spring-component-scanning/mvnw b/spring-boot/spring-component-scanning/mvnw new file mode 100644 index 0000000..a16b543 --- /dev/null +++ b/spring-boot/spring-component-scanning/mvnw @@ -0,0 +1,310 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ] ; then + + if [ -f /etc/mavenrc ] ; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ] ; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false; +darwin=false; +mingw=false +case "`uname`" in + CYGWIN*) cygwin=true ;; + MINGW*) mingw=true;; + Darwin*) darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="`/usr/libexec/java_home`" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ] ; then + if [ -r /etc/gentoo-release ] ; then + JAVA_HOME=`java-config --jre-home` + fi +fi + +if [ -z "$M2_HOME" ] ; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG="`dirname "$PRG"`/$link" + fi + done + + saveddir=`pwd` + + M2_HOME=`dirname "$PRG"`/.. + + # make it fully qualified + M2_HOME=`cd "$M2_HOME" && pwd` + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin ; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --unix "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --unix "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --unix "$CLASSPATH"` +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw ; then + [ -n "$M2_HOME" ] && + M2_HOME="`(cd "$M2_HOME"; pwd)`" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="`which javac`" + if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=`which readlink` + if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then + if $darwin ; then + javaHome="`dirname \"$javaExecutable\"`" + javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" + else + javaExecutable="`readlink -f \"$javaExecutable\"`" + fi + javaHome="`dirname \"$javaExecutable\"`" + javaHome=`expr "$javaHome" : '\(.*\)/bin'` + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ] ; then + if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + else + JAVACMD="`which java`" + fi +fi + +if [ ! -x "$JAVACMD" ] ; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ] ; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ] + then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ] ; do + if [ -d "$wdir"/.mvn ] ; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=`cd "$wdir/.."; pwd` + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' < "$1")" + fi +} + +BASE_DIR=`find_maven_basedir "$(pwd)"` +if [ -z "$BASE_DIR" ]; then + exit 1; +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in (wrapperUrl) jarUrl="$value"; break ;; + esac + done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` + fi + + if command -v wget > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=`cygpath --path --windows "$javaClass"` + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --path --windows "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --windows "$CLASSPATH"` + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/spring-boot/spring-component-scanning/mvnw.cmd b/spring-boot/spring-component-scanning/mvnw.cmd new file mode 100644 index 0000000..c8d4337 --- /dev/null +++ b/spring-boot/spring-component-scanning/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM https://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/spring-boot/spring-component-scanning/pom.xml b/spring-boot/spring-component-scanning/pom.xml new file mode 100644 index 0000000..f2b03a5 --- /dev/null +++ b/spring-boot/spring-component-scanning/pom.xml @@ -0,0 +1,49 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.3.4.RELEASE + + + com.mindtree + spring-component-scanning + 2.3.0 + spring-component-scanning + Observality Client + + + 1.8 + + + + + org.springframework.boot + spring-boot-starter + + + + org.springframework.boot + spring-boot-starter-test + test + + + org.junit.vintage + junit-vintage-engine + + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/BirdsExplicitScan.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/BirdsExplicitScan.java new file mode 100644 index 0000000..def6f33 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/BirdsExplicitScan.java @@ -0,0 +1,10 @@ +package io.reflectoring.birds; + +import org.springframework.context.annotation.ComponentScan; +import org.springframework.context.annotation.Configuration; + +@Configuration +@ComponentScan +public class BirdsExplicitScan { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/Eagle.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/Eagle.java new file mode 100644 index 0000000..ce6e513 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/Eagle.java @@ -0,0 +1,8 @@ +package io.reflectoring.birds; + +import org.springframework.stereotype.Component; + +@Component +class Eagle { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/Sparrow.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/Sparrow.java new file mode 100644 index 0000000..2e41af8 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/birds/Sparrow.java @@ -0,0 +1,8 @@ +package io.reflectoring.birds; + +import org.springframework.stereotype.Component; + +@Component +class Sparrow { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/BeanViewer.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/BeanViewer.java new file mode 100644 index 0000000..e9a0d34 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/BeanViewer.java @@ -0,0 +1,21 @@ +package io.reflectoring.componentscan; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.boot.context.event.ApplicationReadyEvent; +import org.springframework.context.event.EventListener; +import org.springframework.stereotype.Component; + +@Component +public class BeanViewer { + + private final Logger LOG = LoggerFactory.getLogger(getClass()); + + @EventListener + public void showBeansRegistered(ApplicationReadyEvent event) { + String[] beanNames = event.getApplicationContext().getBeanDefinitionNames(); + for(String beanName: beanNames) { + LOG.info("{}", beanName); + } + } +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/ExplicitScan.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/ExplicitScan.java new file mode 100644 index 0000000..5c90ad8 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/ExplicitScan.java @@ -0,0 +1,18 @@ +package io.reflectoring.componentscan; + +import org.springframework.context.annotation.ComponentScan; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.FilterType; + +import io.reflectoring.vehicles.Car; + +@Configuration +@ComponentScan(basePackages= "io.reflectoring.vehicles", +includeFilters=@ComponentScan.Filter(type=FilterType.ASSIGNABLE_TYPE, classes=Car.class) +, useDefaultFilters=false +// Uncomment next line and comment out include filter to checkout exclude filter +//excludeFilters=@ComponentScan.Filter(type=FilterType.ASSIGNABLE_TYPE, classes=Car.class) +) +public class ExplicitScan { + +} \ No newline at end of file diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/SpringComponentScanningApplication.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/SpringComponentScanningApplication.java new file mode 100644 index 0000000..59b42a2 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/SpringComponentScanningApplication.java @@ -0,0 +1,17 @@ +package io.reflectoring.componentscan; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Import; + +import io.reflectoring.birds.BirdsExplicitScan; + +@SpringBootApplication +@Import(value= {BirdsExplicitScan.class}) +public class SpringComponentScanningApplication { + + public static void main(String[] args) { + SpringApplication.run(SpringComponentScanningApplication.class, args); + } + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/UserService.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/UserService.java new file mode 100644 index 0000000..a20b2ac --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/componentscan/UserService.java @@ -0,0 +1,8 @@ +package io.reflectoring.componentscan; + +import org.springframework.stereotype.Service; + +@Service +class UserService { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Car.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Car.java new file mode 100644 index 0000000..c8729da --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Car.java @@ -0,0 +1,5 @@ +package io.reflectoring.vehicles; + +public class Car { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Hyundai.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Hyundai.java new file mode 100644 index 0000000..bb9cc2b --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Hyundai.java @@ -0,0 +1,8 @@ +package io.reflectoring.vehicles; + +import org.springframework.stereotype.Component; + +@Component +class Hyundai extends Car { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/SpaceX.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/SpaceX.java new file mode 100644 index 0000000..41d7def --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/SpaceX.java @@ -0,0 +1,8 @@ +package io.reflectoring.vehicles; + +import org.springframework.stereotype.Component; + +@Component +class SpaceX { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Tesla.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Tesla.java new file mode 100644 index 0000000..f6fffd6 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Tesla.java @@ -0,0 +1,8 @@ +package io.reflectoring.vehicles; + +import org.springframework.stereotype.Component; + +@Component +class Tesla extends Car { + +} diff --git a/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Train.java b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Train.java new file mode 100644 index 0000000..72b85be --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/java/io/reflectoring/vehicles/Train.java @@ -0,0 +1,8 @@ +package io.reflectoring.vehicles; + +import org.springframework.stereotype.Component; + +@Component +class Train { + +} diff --git a/spring-boot/spring-component-scanning/src/main/resources/application.properties b/spring-boot/spring-component-scanning/src/main/resources/application.properties new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/main/resources/application.properties @@ -0,0 +1 @@ + diff --git a/spring-boot/spring-component-scanning/src/test/java/io/reflectoring/componentscan/SpringComponentScanningApplicationTests.java b/spring-boot/spring-component-scanning/src/test/java/io/reflectoring/componentscan/SpringComponentScanningApplicationTests.java new file mode 100644 index 0000000..f3d16a6 --- /dev/null +++ b/spring-boot/spring-component-scanning/src/test/java/io/reflectoring/componentscan/SpringComponentScanningApplicationTests.java @@ -0,0 +1,13 @@ +package io.reflectoring.componentscan; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class SpringComponentScanningApplicationTests { + + @Test + void contextLoads() { + } + +}