Java Zip Byte Array zipBytes(byte[] input)

Description

Zips byte array.

License

Open Source License

Parameter

Parameter	Description
input	Input bytes.

Exception

Parameter	Description
IOException	If failed.

Return

Zipped byte array.

Declaration

public static byte[] zipBytes(byte[] input) throws IOException 

Method Source Code

//package com.java2s;
/* /*from w  w w .ja  v a2 s  .c o  m*/
 Copyright (C) GridGain Systems. All Rights Reserved.
     
 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.*;

import java.util.zip.*;

public class Main {
    /**
     * Zips byte array.
     *
     * @param input Input bytes.
     * @return Zipped byte array.
     * @throws IOException If failed.
     */
    public static byte[] zipBytes(byte[] input) throws IOException {
        return zipBytes(input, 4096);
    }

    /**
     * Zips byte array.
     *
     * @param input Input bytes.
     * @param initBufSize Initial buffer size.
     * @return Zipped byte array.
     * @throws IOException If failed.
     */
    public static byte[] zipBytes(byte[] input, int initBufSize) throws IOException {
        ByteArrayOutputStream bos = new ByteArrayOutputStream(initBufSize);

        try (ZipOutputStream zos = new ZipOutputStream(bos)) {
            ZipEntry entry = new ZipEntry("");

            try {
                entry.setSize(input.length);

                zos.putNextEntry(entry);

                zos.write(input);
            } finally {
                zos.closeEntry();
            }
        }

        return bos.toByteArray();
    }
}

Related

1. zip(byte[] input)
2. zip(byte[] input)
3. zip(byte[] source)
4. zip(byte[] uncompressedBytes)
5. zipByte(byte[] data)
6. zipBytes(final Map streams)
7. zipCompress(byte[] input)