ReadableByteChannel 复制到WritableByteChannel 通道 demo1

 

private static void channelCopy(ReadableByteChannel src,WritableByteChannel dest) throws IOException{

         ByteBuffer buffer=ByteBuffer.allocate(10*1024);

         while(src.read(buffer)!=-1){

         buffer.flip();

         while(buffer.hasRemaining()){

         dest.write(buffer);

         }

         buffer.clear();

         }

}

 

/**

* @param args

* @throws IOException 

*/

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

// TODO Auto-generated method stub

          ReadableByteChannel source=Channels.newChannel(System.in);

          WritableByteChannel dest=Channels.newChannel(System.out);

          ChannelCopy.channelCopy(source, dest);

           source.close();

          dest.close();

}