Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.util.zip.Deflater;

public class Main {
    public static byte[] compressZLIB(byte[] input) throws IOException {
        // Create the compressor with highest level of compression
        Deflater compressor = new Deflater();
        compressor.setLevel(Deflater.BEST_SPEED);
        // Give the compressor the data to compress
        compressor.setInput(input);
        compressor.finish();
        // Create an expandable byte array to hold the compressed data.
        // You cannot use an array that's the same size as the orginal because
        // there is no guarantee that the compressed data will be smaller than
        // the uncompressed data.
        ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);
        // Compress the data
        byte[] buf = new byte[1024];
        while (!compressor.finished()) {
            int count = compressor.deflate(buf);
            bos.write(buf, 0, count);
        }
        bos.close();
        // Get the compressed data
        byte[] compressedData = bos.toByteArray();
        return compressedData;
    }
}