mindol1004/spring-boot-rest
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[BAEL-19087]-Move articles out of core-java-io part 2

Browse Source
This commit is contained in:
catalin-burcea
2019-11-09 01:09:41 +02:00
parent 6976e5dedf
commit b967135f2f
37 changed files with 195 additions and 220 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
core-java-modules/core-java-io/src/main/java/com/baeldung/bufferedreader/BufferedReaderExample.java
View File

@@ -1,84 +0,0 @@
package com.baeldung.bufferedreader;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.stream.Collectors;
public class BufferedReaderExample {
public String readAllLines(BufferedReader reader) throws IOException {
StringBuilder content = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
content.append(line);
content.append(System.lineSeparator());
}
return content.toString();
}
public String readAllLinesWithStream(BufferedReader reader) {
return reader
.lines()
.collect(Collectors.joining(System.lineSeparator()));
}
public String readAllCharsOneByOne(BufferedReader reader) throws IOException {
StringBuilder content = new StringBuilder();
int value;
while ((value = reader.read()) != -1) {
content.append((char) value);
}
return content.toString();
}
public String readMultipleChars(BufferedReader reader) throws IOException {
int length = 5;
char[] chars = new char[length];
int charsRead = reader.read(chars, 0, length);
String result;
if (charsRead != -1) {
result = new String(chars, 0, charsRead);
} else {
result = "";
}
return result;
}
public String readFile() {
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader("src/main/resources/input.txt"));
String content = readAllLines(reader);
return content;
} catch (IOException e) {
e.printStackTrace();
return null;
} finally {
try {
if (reader != null) {
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
public String readFileTryWithResources() {
try (BufferedReader reader = new BufferedReader(new FileReader("src/main/resources/input.txt"))) {
String content = readAllLines(reader);
return content;
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
}

42
core-java-modules/core-java-io/src/main/java/com/baeldung/dirmonitoring/DirectoryMonitoringExample.java
View File

@@ -1,42 +0,0 @@
package com.baeldung.dirmonitoring;
import org.apache.commons.io.monitor.FileAlterationListener;
import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
import org.apache.commons.io.monitor.FileAlterationMonitor;
import org.apache.commons.io.monitor.FileAlterationObserver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
public class DirectoryMonitoringExample {
private static final Logger LOG = LoggerFactory.getLogger(DirectoryMonitoringExample.class);
private static final int POLL_INTERVAL = 500;
public static void main(String[] args) throws Exception {
FileAlterationObserver observer = new FileAlterationObserver(System.getProperty("user.home"));
FileAlterationMonitor monitor = new FileAlterationMonitor(POLL_INTERVAL);
FileAlterationListener listener = new FileAlterationListenerAdaptor() {
@Override
public void onFileCreate(File file) {
LOG.debug("File: " + file.getName() + " created");
}
@Override
public void onFileDelete(File file) {
LOG.debug("File: " + file.getName() + " deleted");
}
@Override
public void onFileChange(File file) {
LOG.debug("File: " + file.getName() + " changed");
}
};
observer.addListener(listener);
monitor.addObserver(observer);
monitor.start();
}
}

48
core-java-modules/core-java-io/src/main/java/com/baeldung/stream/OutputStreamExamples.java
View File

@@ -1,48 +0,0 @@
package com.baeldung.stream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
public class OutputStreamExamples {
public void fileOutputStreamByteSequence(String file, String data) throws IOException {
byte[] bytes = data.getBytes();
try (OutputStream out = new FileOutputStream(file)) {
out.write(bytes);
}
}
public void fileOutputStreamByteSubSequence(String file, String data) throws IOException {
byte[] bytes = data.getBytes();
try (OutputStream out = new FileOutputStream(file)) {
out.write(bytes, 6, 5);
}
}
public void fileOutputStreamByteSingle(String file, String data) throws IOException {
byte[] bytes = data.getBytes();
try (OutputStream out = new FileOutputStream(file)) {
out.write(bytes[6]);
}
}
public void bufferedOutputStream(String file, String... data) throws IOException {
try (BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file))) {
for (String s : data) {
out.write(s.getBytes());
out.write(" ".getBytes());
}
}
}
public void outputStreamWriter(String file, String data) throws IOException {
try (OutputStream out = new FileOutputStream(file); Writer writer = new OutputStreamWriter(out, "UTF-8")) {
writer.write(data);
}
}
}