Unzip

package tntesiti;

import java.io.*;

import java.util.*;

import java.util.zip.*;

public class Unzip {

public static final void copyInputStream(InputStream in, OutputStream out)

throws IOException

{

byte[] buffer = new byte[1024];

int len;

while((len = in.read(buffer)) >= 0)

System.out.write(buffer, 0, len);

in.close();

out.close();

}

public static void main(String[] args) {

Enumeration entries;

ZipFile zipFile;

String fileName = "J:/TNTEsiti/20111014/ATAP082.zip";

try {

zipFile = new ZipFile(fileName);

entries = zipFile.entries();

while(entries.hasMoreElements()) {

ZipEntry entry = (ZipEntry)entries.nextElement();

if(entry.isDirectory()) {

// Assume directories are stored parents first then children.

System.err.println("Extracting directory: " + entry.getName());

// This is not robust, just for demonstration purposes.

(new File(entry.getName())).mkdir();

continue;

}

System.err.println("Extracting file: " + entry.getName());

copyInputStream(zipFile.getInputStream(entry),

new BufferedOutputStream(new FileOutputStream(entry.getName())));

}

zipFile.close();

} catch (IOException ioe) {

System.err.println("Unhandled exception:");

ioe.printStackTrace();

return;

}

}

}