Java Uncompress Byte Array unzip(byte zipData[])

Description

Unzips the specified byte array.

License

Open Source License

Parameter

Parameter	Description
zipData	Array of Bytes.

Exception

Parameter	Description
IOException	Input Output Exception.

Return

Unzipped Data String.

Declaration

public static String unzip(byte zipData[]) throws IOException 

Method Source Code

//package com.java2s;
/** Copyright (c) 2006 Memorial Sloan-Kettering Cancer Center.
 **/*from w w w.j a va  2 s .c o  m*/
 ** Code written by: Ethan Cerami
 ** Authors: Ethan Cerami, Gary Bader, Chris Sander
 **
 ** This library is free software; you can redistribute it and/or modify it
 ** under the terms of the GNU Lesser General Public License as published
 ** by the Free Software Foundation; either version 2.1 of the License, or
 ** any later version.
 **
 ** This library is distributed in the hope that it will be useful, but
 ** WITHOUT ANY WARRANTY, WITHOUT EVEN THE IMPLIED WARRANTY OF
 ** MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  The software and
 ** documentation provided hereunder is on an "as is" basis, and
 ** Memorial Sloan-Kettering Cancer Center 
 ** has no obligations to provide maintenance, support,
 ** updates, enhancements or modifications.  In no event shall
 ** Memorial Sloan-Kettering Cancer Center
 ** be liable to any party for direct, indirect, special,
 ** incidental or consequential damages, including lost profits, arising
 ** out of the use of this software and its documentation, even if
 ** Memorial Sloan-Kettering Cancer Center 
 ** has been advised of the possibility of such damage.  See
 ** the GNU Lesser General Public License for more details.
 **
 ** You should have received a copy of the GNU Lesser General Public License
 ** along with this library; if not, write to the Free Software Foundation,
 ** Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 **/

import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Main {
    /**
     * Unzips the specified byte array.
     *
     * @param zipData Array of Bytes.
     * @return Unzipped Data String.
     * @throws IOException Input Output Exception.
     */
    public static String unzip(byte zipData[]) throws IOException {
        StringBuffer unzippedData = new StringBuffer();
        ByteArrayInputStream byteStream = new ByteArrayInputStream(zipData);
        ZipInputStream zipIn = new ZipInputStream(byteStream);
        BufferedReader in = new BufferedReader(new InputStreamReader(zipIn));

        //  Get first Entry
        ZipEntry entry = zipIn.getNextEntry();
        String line = in.readLine();
        while (line != null) {
            unzippedData.append(line + "\n");
            line = in.readLine();
        }

        //  Close Everything up
        zipIn.closeEntry();
        zipIn.close();
        return unzippedData.toString();
    }
}

Related

1. degzip(byte[] compressed)
2. uncompress(byte[] b)
3. uncompress(byte[] input)
4. unzip(byte[] blob)
5. unzip(byte[] bytes)
6. unzip(byte[] bytes)
7. unzip(byte[] bytes)