IO 流之管道流

PipedInputStream / PipedOutputStream 实例 :

 

 

import java.io.*;

class Read implements Runnable
{
	private PipedInputStream in;
	Read(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);
			
			in.close();
		}
		catch(IOException e)
		{
			throw new RuntimeException("管道读取流失败！");
		}
	}
}

class Write implements Runnable
{
	private PipedOutputStream out;
	Write(PipedOutputStream out)
	{
		this.out = out;
	}
	public void run()
	{
		try
		{
			out.write("piped a a a a a ".getBytes());
			out.close();
		}
		catch(IOException e)
		{
			throw new RuntimeException("管道输出流失败！");
		}
	}
}

class PipedStreamDemo
{
	public static void main(String[] args) throws IOException
	{
		PipedInputStream in = new PipedInputStream();
		PipedOutputStream out = new PipedOutputStream();
		in.connect(out);
		
		Read r = new Read(in);
		Write w = new Write(out);
		new Thread(r).start();
		new Thread(w).start();
	}
}