в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:43:21Z

1 версия

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== JarEntry: getAttributes() ==



<source lang="java">

import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
Attributes a = je.getAttributes();
if (a != null) {
Object[] nameValuePairs = a.entrySet().toArray();
for (int j = 0; j < nameValuePairs.length; j++) {
System.out.println(nameValuePairs[j]);
}
}
}
}
}

</source>



== JarEntry: getComment() ==



<source lang="java">

import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
long crc = je.getCrc();
System.out.println("Its CRC is " + crc);
String comment = je.getComment();
if (comment != null && !comment.equals("")) {
System.out.println(comment);
}
if (je.isDirectory()) {
System.out.println(name + " is a directory");
}
}
}
}

</source>



== JarEntry: getCompressedSize() ==



<source lang="java">

import java.io.IOException;
import java.util.Date;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
Date lastModified = new Date(je.getTime());
long uncompressedSize = je.getSize();
long compressedSize = je.getCompressedSize();
System.out.println(lastModified);
System.out.println(uncompressedSize);
System.out.println(compressedSize);
}
}
}

</source>



== JarEntry: getCrc() ==



<source lang="java">

import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
long crc = je.getCrc();
System.out.println("Its CRC is " + crc);
String comment = je.getComment();
if (comment != null && !comment.equals("")) {
System.out.println(comment);
}
if (je.isDirectory()) {
System.out.println(name + " is a directory");
}
}
}
}

</source>



== JarEntry: getName() ==



<source lang="java">

import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
System.out.println(name);
}
}
}

</source>



== JarEntry: getSize() ==



<source lang="java">

import java.io.IOException;
import java.util.Date;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
Date lastModified = new Date(je.getTime());
long uncompressedSize = je.getSize();
long compressedSize = je.getCompressedSize();
System.out.println(lastModified);
System.out.println(uncompressedSize);
System.out.println(compressedSize);
}
}
}

</source>



== JarEntry: getTime() ==



<source lang="java">

import java.io.IOException;
import java.util.Date;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
Date lastModified = new Date(je.getTime());
long uncompressedSize = je.getSize();
long compressedSize = je.getCompressedSize();
System.out.println(lastModified);
System.out.println(uncompressedSize);
System.out.println(compressedSize);
}
}
}

</source>



== JarEntry: isDirectory() ==



<source lang="java">

import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class Main {
public static void main(String[] args) throws IOException {
JarFile jf = new JarFile(args[0]);
Enumeration e = jf.entries();
while (e.hasMoreElements()) {
JarEntry je = (JarEntry) e.nextElement();
String name = je.getName();
long crc = je.getCrc();
System.out.println("Its CRC is " + crc);
String comment = je.getComment();
if (comment != null && !comment.equals("")) {
System.out.println(comment);
}
if (je.isDirectory()) {
System.out.println(name + " is a directory");
}
}
}
}

</source>



== JarEntry: setTime(long time) ==



<source lang="java">

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
public class Main {
public static int BUFFER_SIZE = 10240;
void createJarArchive(File archiveFile, File[] tobeJared) throws Exception {
byte buffer[] = new byte[BUFFER_SIZE];
FileOutputStream stream = new FileOutputStream(archiveFile);
JarOutputStream out = new JarOutputStream(stream, new Manifest());
for (int i = 0; i < tobeJared.length; i++) {
if (tobeJared[i] == null || !tobeJared[i].exists() || tobeJared[i].isDirectory())
continue; // Just in case...
JarEntry jarAdd = new JarEntry(tobeJared[i].getName());
jarAdd.setTime(tobeJared[i].lastModified());
out.putNextEntry(jarAdd);
FileInputStream in = new FileInputStream(tobeJared[i]);
while (true) {
int nRead = in.read(buffer, 0, buffer.length);
if (nRead <= 0)
break;
out.write(buffer, 0, nRead);
}
in.close();
}
out.close();
stream.close();
}
}

</source>

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в 17:43, 31 мая 2010

Admin: 1 версия