Flex与java Server Push数据

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我根据网上Push实例进行整理下，可以实现Push功能 myeclipse8+flex4.6 

1.Flex 工程

 2.java 工程

package com.servlet;

import java.io.IOException;
import java.math.BigDecimal;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.model.Tick;

import flex.messaging.MessageBroker;
import flex.messaging.messages.AsyncMessage;
import flex.messaging.util.UUIDUtils;

public class TickCacheServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;  
    private static FeedThread thread;  

	/**
	 * Constructor of the object.
	 */
	public TickCacheServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. 

	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. 

	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
	      String cmd = request.getParameter("cmd");  
	        if (cmd.equals("start")) {  
	            start();  
	        }  
	        if (cmd.equals("stop")) {  
	            stop();  
	        }  


	}

	/**
	 * The doPost method of the servlet. 

	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request, response);
	}


	public void start(){
		if(thread == null){
			thread = new FeedThread();
			thread.start();
		}
		System.out.println("thread start......");
	}
	public void stop(){
		thread.running = false;
		thread = null;
		System.out.println("thread stop......");
	}
	public static class FeedThread extends Thread{
		public boolean  running = true;
		public void run(){
			MessageBroker  broker = MessageBroker.getMessageBroker(null);
			String clientID = UUIDUtils.createUUID();
			int i = 0;
			while(running){
				Tick tick = new Tick();
				tick.setAskPrice(new BigDecimal("100"));  
                tick.setBidPrice(new BigDecimal("100"));  
                tick.setMidPrice(new BigDecimal("100"));  
                tick.setTickTime(new Date());
                
                tick.setSeqno(String.valueOf(i));
                System.out.println(i);
                
                AsyncMessage msg = new AsyncMessage();
                msg.setDestination("tick-data-feed");
                msg.setHeader("DSSubtopic", "tick"); 
                msg.setMessageId(UUIDUtils.createUUID());
                msg.setTimestamp(System.currentTimeMillis());
                msg.setBody(tick);
                broker.routeMessageToService(msg, null);
                i++;
                try {
					Thread.sleep(20);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
		
		
	}

}

 

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