Java Gunzip Byte Array gunzip(final byte[] pInput)

Description

Uncompress the given byte array using the gzip algorithm and return the uncompressed byte array.

License

Apache License

Declaration

public static byte[] gunzip(final byte[] pInput) throws IOException 

Method Source Code

//package com.java2s;
/*/*from  ww  w  .j  a  va2s .c  o  m*/
 * Copyright (c) 2013 Numerate, Inc
 *
 * 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.io.InputStream;

import java.util.zip.GZIPInputStream;

import com.google.common.io.ByteStreams;

public class Main {
    /**
     * Uncompress the given byte array using the gzip algorithm and return the
     * uncompressed byte array.
     */
    public static byte[] gunzip(final byte[] pInput) throws IOException {
        final ByteArrayInputStream vByteArrayStream = new ByteArrayInputStream(pInput);
        final ByteArrayOutputStream vByteArrayOutputStream = new ByteArrayOutputStream(pInput.length);
        final InputStream vInflaterStream = new GZIPInputStream(vByteArrayStream);
        ByteStreams.copy(vInflaterStream, vByteArrayOutputStream);
        vInflaterStream.close();
        final byte[] vUnCompressedBytes = vByteArrayOutputStream.toByteArray();
        return vUnCompressedBytes;
    }
}

Related

1. gunzip(byte[] data)
2. gunzip(byte[] data)
3. gunzip(byte[] data)
4. gunzip(byte[] in)
5. gunzip(final byte[] b, final Class c)