65 lines
2.3 KiB
Java
65 lines
2.3 KiB
Java
|
/*
|
||
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||
|
|
* contributor license agreements. See the NOTICE file distributed with
|
||
|
|
* this work for additional information regarding copyright ownership.
|
||
|
|
* The ASF licenses this file to You 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 async;
|
||
|
|
|
||
|
|
import java.io.IOException;
|
||
|
|
|
||
|
|
import javax.servlet.AsyncContext;
|
||
|
|
import javax.servlet.ServletException;
|
||
|
|
import javax.servlet.http.HttpServlet;
|
||
|
|
import javax.servlet.http.HttpServletRequest;
|
||
|
|
import javax.servlet.http.HttpServletResponse;
|
||
|
|
|
||
|
|
import org.apache.juli.logging.Log;
|
||
|
|
import org.apache.juli.logging.LogFactory;
|
||
|
|
|
||
|
|
public class Async2 extends HttpServlet {
|
||
|
|
|
||
|
|
private static final long serialVersionUID = 1L;
|
||
|
|
|
||
|
|
private static final Log log = LogFactory.getLog(Async2.class);
|
||
|
|
|
||
|
|
@Override
|
||
|
|
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
|
||
|
|
final AsyncContext actx = req.startAsync();
|
||
|
|
actx.setTimeout(30*1000);
|
||
|
|
Runnable run = new Runnable() {
|
||
|
|
@Override
|
||
|
|
public void run() {
|
||
|
|
try {
|
||
|
|
Thread.currentThread().setName("Async2-Thread");
|
||
|
|
log.info("Putting AsyncThread to sleep");
|
||
|
|
Thread.sleep(2*1000);
|
||
|
|
log.info("Writing data.");
|
||
|
|
actx.getResponse().getWriter().write("Output from background thread. Time:"+System.currentTimeMillis()+"\n");
|
||
|
|
actx.complete();
|
||
|
|
}catch (InterruptedException x) {
|
||
|
|
log.error("Async2",x);
|
||
|
|
}catch (IllegalStateException x) {
|
||
|
|
log.error("Async2",x);
|
||
|
|
}catch (IOException x) {
|
||
|
|
log.error("Async2",x);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
Thread t = new Thread(run);
|
||
|
|
t.start();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|