Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2008 - 2009
 * 
 * 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.
 * 
 * @project loonframework
 * @author chenpeng
 * @email:ceponline@yahoo.com.cn
 * @version 0.1
 */

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

import java.io.IOException;
import java.util.zip.GZIPInputStream;

public class Main {

    public static final byte[] uncompress(final byte[] bytes) {
        if (bytes == null) {
            throw new NullPointerException("byte[] is NULL !");
        }
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        ByteArrayOutputStream bos = new ByteArrayOutputStream(8192);
        byte[] buffer = new byte[bytes.length];
        int length;
        try {
            GZIPInputStream gis = new GZIPInputStream(bais);
            while ((length = gis.read(buffer)) != -1) {
                bos.write(buffer, 0, length);
            }
            byte[] moreBytes = bos.toByteArray();
            bos.close();
            bais.close();
            gis.close();
            bos = null;
            bais = null;
            gis = null;
            return moreBytes;
        } catch (IOException e) {
            return null;
        }
    }
}