helloworldserviceimpl.java

来自「是离开的肌肤了卡机是离开的就富利卡及是了的开发及拉考试及的福利科技阿斯利康的肌肤」· Java 代码 · 共 41 行

//========================================================================
//Copyright 2007 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at 
//http://www.apache.org/licenses/LICENSE-2.0
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//========================================================================

package org.mortbay.gwt;

import javax.servlet.http.HttpServletRequest;

import org.mortbay.util.ajax.Continuation;
import org.mortbay.util.ajax.ContinuationSupport;

public class HelloWorldServiceImpl extends AsyncRemoteServiceServlet implements HelloWorldService
{
    
    private static final long serialVersionUID = 1L;

    public String sayHello(String sender) 
    {        
        HttpServletRequest request = getThreadLocalRequest();
        Continuation continuation = ContinuationSupport.getContinuation(request, null);
        if(continuation.isNew() || !continuation.isPending())
        {
            request.setAttribute("ts", Long.valueOf(System.currentTimeMillis()));
            continuation.suspend(5000);        
        }
        long elapsed = System.currentTimeMillis() - ((Long)request.getAttribute("ts")).longValue();
        return "Hello world *" + sender + "* resumed after " + elapsed + " ms";
    }    

}