JavaZip DeflaterOutputStream.write()


JavaZip DeflaterOutputStream.write()

package com.codingdict;



import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import java.util.Arrays;

import java.util.zip.Adler32;

import java.util.zip.CheckedInputStream;

import java.util.zip.DataFormatException;

import java.util.zip.Deflater;

import java.util.zip.DeflaterInputStream;

import java.util.zip.DeflaterOutputStream;

import java.util.zip.Inflater;

import java.util.zip.InflaterInputStream;



public class DeflaterOutputStreamDemo {



   public static void main(String[] args) throws DataFormatException, IOException {

      String message = "Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;"

         +"Welcome to codingdict.com;";

      String dictionary = "Welcome";

      System.out.println("Original Message length : " + message.length());

      byte[] input = message.getBytes("UTF-8");



      // Compress the bytes

      ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();

      DeflaterOutputStream outputStream = new DeflaterOutputStream(arrayOutputStream);

      for(byte b: input){

         outputStream.write(b);

      }

      outputStream.close();



      //Read and decompress the data

      byte[] readBuffer = new byte[5000];

      ByteArrayInputStream arrayInputStream = 

         new ByteArrayInputStream(arrayOutputStream.toByteArray());

      InflaterInputStream inputStream = new InflaterInputStream(arrayInputStream);

      int read = inputStream.read(readBuffer);



      //Should hold the original (reconstructed) data

      byte[] result = Arrays.copyOf(readBuffer, read);



      // Decode the bytes into a String

      message = new String(result, "UTF-8");



      System.out.println("UnCompressed Message length : " + message.length());

   }

}