serverthread.java

char44-5 图形Web服务器 提供了本书第4章的图形Web服务器实例的源程序；

//ServerThread.java
import java.net.*;
import javax.swing.*;
public final class ServerThread extends Thread{
	int port;
	JTextArea display;
	ServerThread(int port, JTextArea display){
		this.port = port;
		this.display = display;
	}
	public void run(){
		ServerSocket listener = null;
		try{
			// 设置Listening套接字
            display.append("Starting server on port " + port + "\n\n");
            listener = new ServerSocket(port);
		}
		catch(Exception e){
			display.append("Cannot start server. Please try again.\n" + e + "\n\n");
			return;
		}
		// Process HTTP service requests in an infinite loop.
		while (true) {
			// 捕获异常
            try{
				// 等待TCP的连接请求
				new Thread(new HttpRequest(listener.accept(), display)).start();
            }
			catch (Exception e){
				display.append(e + "\n\n"); 
				continue;
			}
		}
		//try{listener.close();}
		//  catch (Exception e){
		// display.append(e + "\n");
		//}
	}
}