Java Unzip File unzip(File zipFile, File destination)

Description

unzip

License

Open Source License

Declaration

public static void unzip(File zipFile, File destination) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.*;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class Main {
    public static void unzip(File zipFile, File destination) throws IOException {
        ZipFile zip = new ZipFile(zipFile);

        destination.mkdir();/*www .  j ava 2  s  . co  m*/
        Enumeration zipFileEntries = zip.entries();

        while (zipFileEntries.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
            String currentEntry = entry.getName();
            File destFile = new File(destination, currentEntry);
            File destinationParent = destFile.getParentFile();
            destinationParent.mkdirs();

            if (!entry.isDirectory()) {
                BufferedInputStream is = new BufferedInputStream(zip.getInputStream(entry));
                int currentByte;
                byte data[] = new byte[2048];
                FileOutputStream fos = new FileOutputStream(destFile);
                BufferedOutputStream dest = new BufferedOutputStream(fos, 2048);
                while ((currentByte = is.read(data, 0, 2048)) != -1) {
                    dest.write(data, 0, currentByte);
                }
                dest.flush();
                dest.close();
                is.close();
            }
        }
    }
}

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