소스 파일 최초 업로드
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package async;
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import java.io.IOException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import javax.servlet.AsyncContext;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.juli.logging.Log;
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import org.apache.juli.logging.LogFactory;
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public class Async0 extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private static final Log log = LogFactory.getLog(Async0.class);
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@Override
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protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
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if (Boolean.TRUE.equals(req.getAttribute("dispatch"))) {
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log.info("Received dispatch, completing on the worker thread.");
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log.info("After complete called started:"+req.isAsyncStarted());
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Date date = new Date(System.currentTimeMillis());
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z");
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resp.getWriter().write("Async dispatch worked: " + sdf.format(date) + "\n");
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} else {
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resp.setContentType("text/plain");
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final AsyncContext actx = req.startAsync();
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actx.setTimeout(Long.MAX_VALUE);
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Runnable run = new Runnable() {
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@Override
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public void run() {
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try {
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req.setAttribute("dispatch", Boolean.TRUE);
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Thread.currentThread().setName("Async0-Thread");
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log.info("Putting AsyncThread to sleep");
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Thread.sleep(2*1000);
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log.info("Dispatching");
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actx.dispatch();
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}catch (InterruptedException | IllegalStateException x) {
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log.error("Async1",x);
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}
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}
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};
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Thread t = new Thread(run);
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t.start();
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}
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}
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}
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