JavaZip InflaterOutputStream.finish() 方法

package com.codingdict;



import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.util.Arrays;

import java.util.zip.DataFormatException;

import java.util.zip.DeflaterOutputStream;

import java.util.zip.InflaterOutputStream;



public class InflaterOutputStreamDemo {



   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;";

      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);

      outputStream.write(input);

      outputStream.close();



      //Read and decompress the data

      InflaterOutputStream inflaterOutputStream = null;

      ByteArrayOutputStream decompressedOutputStream = null;

      decompressedOutputStream = new ByteArrayOutputStream();

      inflaterOutputStream = new InflaterOutputStream(decompressedOutputStream);

      inflaterOutputStream.write(arrayOutputStream.toByteArray());

      inflaterOutputStream.finish();

      inflaterOutputStream.close();



      //Should hold the original (reconstructed) data

      byte[] result = Arrays.copyOf(decompressedOutputStream.toByteArray(), 300);



      // Decode the bytes into a String

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



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

   }

}