Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.Deflater;

import com.amazonaws.util.Base64;

public class Main {
    public static String compressAndB64EncodeUTF8Bytes(byte[] bytes) throws Exception {

        byte[] input = bytes;

        // Compressor with highest level of compression
        Deflater compressor = new Deflater();
        compressor.setLevel(Deflater.BEST_COMPRESSION);

        // Give the compressor the data to compress
        compressor.setInput(input);
        compressor.finish();

        // Create an expandable byte array to hold the compressed data.
        // It is not necessary that the compressed data will be smaller than
        // the uncompressed data.
        ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);

        // Compress the data
        byte[] buf = new byte[32];
        while (!compressor.finished()) {
            int count = compressor.deflate(buf);
            bos.write(buf, 0, count);
        }
        try {
            bos.close();
        } catch (IOException e) {
        }

        // Get the compressed data
        byte[] compressedData = bos.toByteArray();

        return new String(Base64.encode(compressedData), "UTF-8");
    }
}