Java Decompress Byte Array decompress(byte[] compressed)

Description

decompress

License

Apache License

Declaration

public static byte[] decompress(byte[] compressed) throws IOException 

Method Source Code

//package com.java2s;
/**/*  w ww.j a va 2 s.  co  m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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 com.google.common.io.ByteStreams;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import java.util.zip.GZIPInputStream;

public class Main {
    public static byte[] decompress(byte[] compressed) throws IOException {
        if (compressed == null || compressed.length == 0) {
            return compressed;
        }
        ByteArrayInputStream sourceStream = new ByteArrayInputStream(compressed);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream(compressed.length * 2);
        try (GZIPInputStream compressor = new GZIPInputStream(sourceStream)) {
            ByteStreams.copy(compressor, outputStream);
            compressor.close();
        }
        try {
            return outputStream.toByteArray();
        } finally {
            sourceStream.close();
            outputStream.close();
        }
    }
}

Related

1. decompress(byte[] bytes, int bufferSize)
2. decompress(byte[] compressed)
3. decompress(byte[] compressed)
4. decompress(byte[] compressed)
5. decompress(byte[] compressed)
6. decompress(byte[] compressed)
7. decompress(byte[] compressedData)
8. decompress(byte[] compressedData)
9. decompress(byte[] compressedData, int off, int len)