java 管道流代码示例

import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;

public class PipedStream {

/**
  * @param args
  * @throws IOException
  */
 public static void main(String[] args) throws IOException {

PipedInputStream input = new PipedInputStream();
  PipedOutputStream output = new PipedOutputStream();
  
  input.connect(output);
  
  new Thread(new Input(input)).start();
  new Thread(new Output(output)).start();
  
 }

}

class Input implements Runnable{
 
 private PipedInputStream in;
 Input(PipedInputStream in){
  this.in = in;
 }
 public void run(){
  
  try {
   byte[] buf = new byte[1024];
   int len = in.read(buf);
   
   String s = new String(buf,0,len);
   
   System.out.println("s="+s);
   in.close();
  } catch (Exception e) {
   // TODO: handle exception
  }
  
 }
}

class Output implements Runnable{
 private PipedOutputStream out;
 Output(PipedOutputStream out){
  this.out = out;
 }
 public void run(){
  
  try {
   Thread.sleep(5000);
   out.write("hi，管道来了！".getBytes());
  } catch (Exception e) {
   // TODO: handle exception
  }
 }
}