Java Ungzip Byte Array unGZip(byte[] bytes)

Description

un G Zip

License

Apache License

Declaration

public final static byte[] unGZip(byte[] bytes) throws IOException 

Method Source Code

//package com.java2s;
/*// w  ww .ja v a 2  s.  c  o m
 * Copyright Bruce Liang (ldcsaa@gmail.com)
 *
 * Version   : JessMA 3.5.1
 * Author   : Bruce Liang
 * Website   : http://www.jessma.org
 * Project   : http://www.oschina.net/p/portal-basic
 * Blog      : http://www.cnblogs.com/ldcsaa
 * WeiBo   : http://weibo.com/u/1402935851
 * QQ Group   : 75375912
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import java.util.zip.GZIPInputStream;

public class Main {

    public final static byte[] unGZip(byte[] bytes) throws IOException {
        byte[] buffer = new byte[4096];
        ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bis);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        try {
            int r;
            while ((r = gzip.read(buffer, 0, buffer.length)) != -1)
                baos.write(buffer, 0, r);

            return baos.toByteArray();
        } finally {
            try {
                if (baos != null)
                    baos.close();
                if (gzip != null)
                    gzip.close();
                if (bis != null)
                    bis.close();
            } catch (IOException e) {

            }
        }
    }
}

Related

1. unGZip(byte[] bContent)
2. ungzip(byte[] buff)
3. ungzip(byte[] bytes)
4. unGzip(byte[] data)
5. unGZip(byte[] data)
6. ungzip(byte[] in)