简单的java http服务器

浏览数：27 / 时间：2015年06月08日

package 
testreadline;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.*;
import java.nio.charset.*;
import java.util.concurrent.*;
import java.io.*;
public class test {
 
 public 
static void main(String[] args) throws 
IOException {
  new 
SimpleHttpServer().service();
   
 }
}
 class 
SimpleHttpServer {
 private 
int port = 80;
 private 
ServerSocketChannel serverSocketChannel = null;
 private 
ExecutorService executorService;
 private 
static final int POOL_MULTIPLE = 4;
 
 public 
SimpleHttpServer() throws 
IOException 
 {
  executorService = Executors.newFixedThreadPool(Runtime.getRuntime()
    .availableProcessors() * POOL_MULTIPLE);
  serverSocketChannel = ServerSocketChannel.open();
  serverSocketChannel.socket().setReuseAddress(true);
  serverSocketChannel.socket().bind(new 
InetSocketAddress(port));
 }
 
 public 
void service() {
  while 
(true) {
   SocketChannel socketChannel = null;
   try 
{
    socketChannel = serverSocketChannel.accept();
    executorService.execute(new 
Handler(socketChannel));
   } catch 
(IOException e) {
    e.printStackTrace();
   }
  }
 }
 
 
}
 
class 
Handler implements 
Runnable {
 private 
SocketChannel socketChannel;
 public 
Handler(SocketChannel socketChannel) {
  this.socketChannel = socketChannel;
 }
 
 @Override
 public 
void run() {
  handle(socketChannel);
 }
 
 private 
void handle(SocketChannel socketChannel) {
  try 
{
   Socket socket = socketChannel.socket();  
   System.out.println(socket.getInetAddress() + ":" 
+ socket.getPort());
      String info = "HTTP/1.1 200 OK\n" 
+
                       "Server: Apache-Coyote/1.1\n" 
+
                       "Content-Type: text/html;charset=utf-8\n" 
+
                       "Content-Length: 1021\n" 
+
                       "Date: Wed, 09 Dec 2009 05:00:27 GMT\n" 
+
                       "\n";                
               OutputStream os = socket.getOutputStream();
               os.write(info.getBytes("utf-8"));
               os.flush();
               String html="<H1>港港都是泪,还是早停困!</H1>";
               os.write(html.getBytes("utf-8"));
               os.flush();
   
   
   
  } catch 
(IOException e) {
   e.printStackTrace();
  } finally 
{
   try 
{
    if 
(socketChannel != null)
     socketChannel.close();
   } catch 
(IOException e) {
    e.printStackTrace();
   }
  }
 }
 
 private 
Charset charset = Charset.forName("GBK");
 
 private 
ByteBuffer encode(String string) {
  return 
ByteBuffer.allocate(string.length() * 2).get(
    string.getBytes(charset));
 }
 
 private 
String decode(ByteBuffer buffer) {
  byte[] source = new 
byte[buffer.position() + 1];
  buffer.put(source);
  return 
new String(source, charset);
 }
}