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<textarea cols=105 rows=17>文件头:
import java.io.*;
import java.nio.*;
import java.nio.channels.*;
import java.net.*;
import java.util.*;
import java.nio.charset.*;
import java.lang.*;
public class NonBlockingServer
{
public Selector sel = null;
public ServerSocketChannel server = null;
public SocketChannel socket = null;
public int port = 4900;
String result = null;
public NonBlockingServer()
{
System.out.println("Inside default ctor");
}
public NonBlockingServer(int port)
{
System.out.println("Inside the other ctor");
port = port;
}
public void initializeOperations() throws IOException,UnknownHostException
{
System.out.println("Inside initialization");
sel = Selector.open();
server = ServerSocketChannel.open();
server.configureBlocking(false);
InetAddress ia = InetAddress.getLocalHost();
InetSocketAddress isa = new InetSocketAddress(ia,port);
server.socket().bind(isa);
}
public void start</textarea><BR>
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<textarea cols=105 rows=12>文件尾:
= ByteBuffer.wrap((charBuf.toString()).getBytes());
int nBytes = socket.write(buffer);
System.out.println("nBytes = "+nBytes);
result = null;
}
catch(Exception e)
{
e.printStackTrace();
}
}
public String readMessage(SelectionKey key)
{
int nBytes = 0;
socket = (SocketChannel)key.channel();
ByteBuffer buf = ByteBuffer.allocate(1024);
try
{
nBytes = socket.read(buf);
buf.flip();
Charset charset = Charset.forName("us-ascii");
CharsetDecoder decoder = charset.newDecoder();
CharBuffer charBuffer = decoder.decode(buf);
result = charBuffer.toString();
}
catch(IOException e)
{
e.printStackTrace();
}
return result;
}
public static void main(String args[])
{
NonBlockingServer nb = new NonBlockingServer();
try
{
nb.startServer();
}
catch (IOException e)
{
e.printStackTrace();
System.exit(-1);
}
}
}
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