Java java.util.zip.InflaterOutputStream.write()用法及代码示例

描述

这个java.util.zip.InflaterOutputStream.write(int b)方法将一个字节写入压缩的输出流。此方法将阻塞，直到可以写入字节。

声明

以下是声明java.util.zip.InflaterOutputStream.write(int b)方法。

public void write(int b)
 throws IOException

参数

• b- 要写入的字节。

异常

• IOException− 如果发生 I/O 错误。

• ZipException− 如果发生压缩 (ZIP) 格式错误。

示例

下面的例子展示了 java.util.zip.InflaterOutputStream.write(int b) 方法的用法。

package com.tutorialspoint;

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 TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.com;"
         +"Welcome to TutorialsPoint.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);
      byte[] output = arrayOutputStream.toByteArray();
      for(int i = 0; i < output.length; i++){
         inflaterOutputStream.write(output[i]);
      }
      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());
   }
}

让我们编译并运行上面的程序，这将产生以下结果 -

Original Message length:300
UnCompressed Message length:300