1 public class AsynChronousSocketChannelRe implements Runnable,CompletionHandler<Void,
2 AsynChronousSocketChannelRe> {
3 private AsynchronousSocketChannel socketChannel;
4 private CountDownLatch latch;
5 private String host=null;
6 private int port ;
7 public AsynChronousSocketChannelRe(String host,int port){
8 this.host=host;
9 this.port=port;
10 try{
11 socketChannel=AsynchronousSocketChannel.open();
12 }catch(IOException ex){
13
14 }
15 }
16 public void run(){
17 socketChannel.connect(new InetSocketAddress(host,port),this,this);
18 latch=new CountDownLatch(1);
19 try{
20 latch.await();
21 }catch(InterruptedException ex){
22
23 }try{
24 socketChannel.close();
25 }catch(IOException ex){
26
27 }
28 }
29 @Override
30 public void completed(Void result,AsynChronousSocketChannelRe attachment){
31 byte[] bytes="QUERY TIME ORDER".getBytes();
32 ByteBuffer readBuffer=ByteBuffer.allocate(bytes.length);
33 readBuffer.put(bytes);
34 readBuffer.flip();
35 socketChannel.write(readBuffer, readBuffer, new CompletionHandler<Integer,ByteBuffer>(){
36 @Override
37 public void completed(Integer result,ByteBuffer readBuffers){
38 if(readBuffers.hasRemaining()){
39 socketChannel.write(readBuffers, readBuffers,this);
40 }
41 else{
42 ByteBuffer buffer=ByteBuffer.allocate(1024);
43 socketChannel.read(buffer, buffer, new CompletionHandler<Integer,ByteBuffer>(){
44 @Override
45 public void completed(Integer result,ByteBuffer readbuffer){
46 readbuffer.flip();
47 byte[] bytes=new byte[readbuffer.remaining()];
48 readbuffer.get(bytes);
49 String body;
50 try{
51 body=new String(bytes,"UTF-8");
52 System.out.println("Now is :"+body);
53 latch.countDown();
54 }catch(IOException ex){
55
56 }
57 }
58 @Override
59 public void failed(Throwable ex,ByteBuffer readbuffer){
60 try{
61 socketChannel.close();
62 latch.countDown();
63 }catch(IOException exc){
64
65 }
66 }
67 });
68
69 }
70 }
71 @Override
72 public void failed(Throwable exc,ByteBuffer readBuffers){
73 try{
74 socketChannel.close();
75 latch.countDown();
76 }catch(IOException ex){
77
78 }
79 }
80 });
81
82 }
83 @Override
84 public void failed(Throwable ex,AsynChronousSocketChannelRe attachment){
85 try{
86 latch.countDown();
87 socketChannel.close();
88 }catch(IOException exc){
89
90 }
91
92 }
93 }
