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[BAEL-9555] - Created a core-java-modules folder

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amit2103
2019-05-05 17:22:09 +05:30
parent 8b63b0d90a
commit 3bae5e5334
1480 changed files with 25600 additions and 5594 deletions
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84
core-java-modules/core-java-9/src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java Normal file
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package com.baeldung.httpclient;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import jdk.incubator.http.HttpClient;
import jdk.incubator.http.HttpRequest;
import jdk.incubator.http.HttpRequest.BodyProcessor;
import jdk.incubator.http.HttpResponse;
import jdk.incubator.http.HttpResponse.BodyHandler;
/**
*
* @author pkaria
*/
public class HttpClientExample {
public static void main(String[] args) throws Exception {
httpGetRequest();
httpPostRequest();
asynchronousRequest();
asynchronousMultipleRequests();
}
public static void httpGetRequest() throws URISyntaxException, IOException, InterruptedException {
HttpClient client = HttpClient.newHttpClient();
URI httpURI = new URI("http://jsonplaceholder.typicode.com/posts/1");
HttpRequest request = HttpRequest.newBuilder(httpURI).GET()
.headers("Accept-Enconding", "gzip, deflate").build();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandler.asString());
String responseBody = response.body();
int responseStatusCode = response.statusCode();
System.out.println(responseBody);
}
public static void httpPostRequest() throws URISyntaxException, IOException, InterruptedException {
HttpClient client = HttpClient
.newBuilder()
.build();
HttpRequest request = HttpRequest
.newBuilder(new URI("http://jsonplaceholder.typicode.com/posts"))
.POST(BodyProcessor.fromString("Sample Post Request"))
.build();
HttpResponse<String> response
= client.send(request, HttpResponse.BodyHandler.asString());
String responseBody = response.body();
System.out.println(responseBody);
}
public static void asynchronousRequest() throws URISyntaxException {
HttpClient client = HttpClient.newHttpClient();
URI httpURI = new URI("http://jsonplaceholder.typicode.com/posts/1");
HttpRequest request = HttpRequest.newBuilder(httpURI).GET().build();
CompletableFuture<HttpResponse<String>> futureResponse = client.sendAsync(request,
HttpResponse.BodyHandler.asString());
}
public static void asynchronousMultipleRequests() throws URISyntaxException {
List<URI> targets = Arrays.asList(new URI("http://jsonplaceholder.typicode.com/posts/1"), new URI("http://jsonplaceholder.typicode.com/posts/2"));
HttpClient client = HttpClient.newHttpClient();
List<CompletableFuture<File>> futures = targets
.stream()
.map(target -> client
.sendAsync(
HttpRequest.newBuilder(target)
.GET()
.build(),
BodyHandler.asFile(Paths.get("base", target.getPath())))
.thenApply(response -> response.body())
.thenApply(path -> path.toFile()))
.collect(Collectors.toList());
}
}

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core-java-modules/core-java-9/src/modules/com.baeldung.httpclient/module-info.java Normal file
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module com.baeldung.httpclient {
requires jdk.incubator.httpclient;
}

13
core-java-modules/core-java-9/src/modules/com.baeldung.logging.app/com/baeldung/logging/app/MainApp.java Normal file
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package com.baeldung.logging.app;
import static java.lang.System.Logger.*;
public class MainApp {
private static System.Logger LOGGER = System.getLogger("MainApp");
public static void main(String[] args) {
LOGGER.log(Level.ERROR, "error test");
LOGGER.log(Level.INFO, "info test");
}
}

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core-java-modules/core-java-9/src/modules/com.baeldung.logging.app/module-info.java Normal file
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module com.baeldung.logging.app {
}

99
core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLogger.java Normal file
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package com.baeldung.logging.slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ResourceBundle;
public class Slf4jLogger implements System.Logger {
private final String name;
private final Logger logger;
public Slf4jLogger(String name) {
this.name = name;
logger = LoggerFactory.getLogger(name);
}
@Override
public String getName() {
return name;
}
@Override
public boolean isLoggable(Level level) {
switch (level) {
case OFF:
return false;
case TRACE:
return logger.isTraceEnabled();
case DEBUG:
return logger.isDebugEnabled();
case INFO:
return logger.isInfoEnabled();
case WARNING:
return logger.isWarnEnabled();
case ERROR:
return logger.isErrorEnabled();
case ALL:
default:
return true;
}
}
@Override
public void log(Level level, ResourceBundle bundle, String msg, Throwable thrown) {
if (!isLoggable(level)) {
return;
}
switch (level) {
case TRACE:
logger.trace(msg, thrown);
break;
case DEBUG:
logger.debug(msg, thrown);
break;
case INFO:
logger.info(msg, thrown);
break;
case WARNING:
logger.warn(msg, thrown);
break;
case ERROR:
logger.error(msg, thrown);
break;
case ALL:
default:
logger.info(msg, thrown);
}
}
@Override
public void log(Level level, ResourceBundle bundle, String format, Object... params) {
if (!isLoggable(level)) {
return;
}
switch (level) {
case TRACE:
logger.trace(format, params);
break;
case DEBUG:
logger.debug(format, params);
break;
case INFO:
logger.info(format, params);
break;
case WARNING:
logger.warn(format, params);
break;
case ERROR:
logger.error(format, params);
break;
case ALL:
default:
logger.info(format, params);
}
}
}

8
core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLoggerFinder.java Normal file
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package com.baeldung.logging.slf4j;
public class Slf4jLoggerFinder extends System.LoggerFinder {
@Override
public System.Logger getLogger(String name, Module module) {
return new Slf4jLogger(name);
}
}

6
core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/module-info.java Normal file
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module com.baeldung.logging.slf4j {
requires org.slf4j;
provides java.lang.System.LoggerFinder
with com.baeldung.logging.slf4j.Slf4jLoggerFinder;
exports com.baeldung.logging.slf4j;
}

27
core-java-modules/core-java-9/src/modules/com.baeldung.logging/com/baeldung/logging/ConsoleLogger.java Normal file
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package com.baeldung.logging;
import java.text.MessageFormat;
import java.util.ResourceBundle;
public class ConsoleLogger implements System.Logger {
@Override
public String getName() {
return "ConsoleLogger";
}
@Override
public boolean isLoggable(Level level) {
return true;
}
@Override
public void log(Level level, ResourceBundle bundle, String msg, Throwable thrown) {
System.out.printf("ConsoleLogger [%s]: %s - %s%n", level, msg, thrown);
}
@Override
public void log(Level level, ResourceBundle bundle, String format, Object... params) {
System.out.printf("ConsoleLogger [%s]: %s%n", level, MessageFormat.format(format, params));
}
}

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core-java-modules/core-java-9/src/modules/com.baeldung.logging/com/baeldung/logging/CustomLoggerFinder.java Normal file
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package com.baeldung.logging;
public class CustomLoggerFinder extends System.LoggerFinder {
@Override
public System.Logger getLogger(String name, Module module) {
return new ConsoleLogger();
}
}

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core-java-modules/core-java-9/src/modules/com.baeldung.logging/module-info.java Normal file
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module com.baeldung.logging {
provides java.lang.System.LoggerFinder
with com.baeldung.logging.CustomLoggerFinder;
exports com.baeldung.logging;
}

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core-java-modules/core-java-9/src/modules/com.baeldung.student.client/com/baeldung/student/client/StudentClient.java Normal file
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package com.baeldung.student.client;
import com.baeldung.student.service.StudentService;
import com.baeldung.student.service.dbimpl.StudentDbService;
import com.baeldung.student.model.Student;
public class StudentClient {
public static void main(String[] args) {
StudentService service = new StudentDbService();
service.create(new Student());
service.read("17SS0001");
service.update(new Student());
service.delete("17SS0001");
}
}

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core-java-modules/core-java-9/src/modules/com.baeldung.student.client/module-info.java Normal file
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module com.baeldung.student.client{
requires com.baeldung.student.service.dbimpl;
}

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core-java-modules/core-java-9/src/modules/com.baeldung.student.model/com/baeldung/student/model/Student.java Normal file
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package com.baeldung.student.model;
import java.util.Date;
public class Student {
private String registrationId;
public String getRegistrationId() {
return registrationId;
}
public void setRegistrationId(String registrationId) {
this.registrationId = registrationId;
}
}

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core-java-modules/core-java-9/src/modules/com.baeldung.student.model/module-info.java Normal file
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module com.baeldung.student.model{
exports com.baeldung.student.model;
}

30
core-java-modules/core-java-9/src/modules/com.baeldung.student.service.dbimpl/com/baeldung/student/service/dbimpl/StudentDbService.java Normal file
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package com.baeldung.student.service.dbimpl;
import com.baeldung.student.service.StudentService;
import com.baeldung.student.model.Student;
import java.util.logging.*;
public class StudentDbService implements StudentService {
private static Logger logger = Logger.getLogger("StudentDbService");
public String create(Student student) {
logger.log(Level.INFO, "Creating student in DB...");
return student.getRegistrationId();
}
public Student read(String registrationId) {
logger.log(Level.INFO, "Reading student from DB...");
return new Student();
}
public Student update(Student student) {
logger.log(Level.INFO, "Updating sutdent in DB...");
return student;
}
public String delete(String registrationId) {
logger.log(Level.INFO, "Deleteing sutdent in DB...");
return registrationId;
}
}

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core-java-modules/core-java-9/src/modules/com.baeldung.student.service.dbimpl/module-info.java Normal file
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module com.baeldung.student.service.dbimpl{
requires transitive com.baeldung.student.service;
exports com.baeldung.student.service.dbimpl;
requires java.logging;
}

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core-java-modules/core-java-9/src/modules/com.baeldung.student.service/com/baeldung/student/service/StudentService.java Normal file
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package com.baeldung.student.service;
import com.baeldung.student.model.Student;
public interface StudentService {
public String create(Student student);
public Student read(String registrationId);
public Student update(Student student);
public String delete(String registrationId);
}

4
core-java-modules/core-java-9/src/modules/com.baeldung.student.service/module-info.java Normal file
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module com.baeldung.student.service{
requires transitive com.baeldung.student.model;
exports com.baeldung.student.service;
}