/*
* 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 org.apache.openejb.server.httpd;
import org.apache.openejb.junit.ApplicationComposerRule;
import org.apache.openejb.loader.IO;
import org.apache.openejb.testing.Classes;
import org.apache.openejb.testing.ContainerProperties;
import org.apache.openejb.testing.EnableServices;
import org.apache.openejb.testing.RandomPort;
import org.junit.Rule;
import org.junit.Test;
import javax.inject.Inject;
import javax.servlet.AsyncContext;
import javax.servlet.AsyncEvent;
import javax.servlet.AsyncListener;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URL;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
@EnableServices("http")
@Classes(cdi = true, innerClassesAsBean = true)
@ContainerProperties(@ContainerProperties.Property(name = "httpejbd.useJetty", value = "fase"))
public class AsyncHttpTest {
@Rule
public final ApplicationComposerRule container = new ApplicationComposerRule(this);
@RandomPort("http")
private URL context;
@Test
public void async() throws IOException {
SimpleAsyncListener.started = false;
assertEquals("OK", IO.slurp(new URL(context.toExternalForm() + "openejb/AsyncServlet")));
assertTrue(SimpleAsyncListener.started);
}
@Test
public void asyncDispatch() throws IOException {
assertEquals("OK2", IO.slurp(new URL(context.toExternalForm() + "openejb/DispatchAsyncServlet")));
}
@WebServlet(name = "AsyncServlet", urlPatterns = "/AsyncServlet", asyncSupported = true)
public static class AsyncServlet extends HttpServlet {
private ExecutorService executorService;
@Override
public void init() throws ServletException {
executorService = Executors.newSingleThreadExecutor();
}
@Override
protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
final AsyncContext actx = req.startAsync();
actx.addListener(actx.createListener(SimpleAsyncListener.class));
resp.setContentType("text/plain");
executorService.execute(new AsyncHandler(actx));
}
@Override
public void destroy() {
executorService.shutdownNow();
}
}
@WebServlet(name = "DispatchAsyncServlet", urlPatterns = "/DispatchAsyncServlet", asyncSupported = true)
public static class DispatchAsyncServlet extends HttpServlet {
private ExecutorService executorService;
@Override
public void init() throws ServletException {
executorService = Executors.newSingleThreadExecutor();
}
@Override
protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
final AsyncContext actx = req.startAsync();
resp.setContentType("text/plain");
actx.dispatch("/ok");
}
@Override
public void destroy() {
executorService.shutdownNow();
}
}
public static class ABean {}
public static class SimpleAsyncListener implements AsyncListener {
private static boolean started;
@Inject
private ABean bean;
@Override
public void onComplete(final AsyncEvent event) throws IOException {
// no-op
}
@Override
public void onTimeout(AsyncEvent event) throws IOException {
// no-op
}
@Override
public void onError(AsyncEvent event) throws IOException {
// no-op
}
@Override
public void onStartAsync(final AsyncEvent event) throws IOException {
started = bean != null;
}
}
@WebServlet("/ok")
public static class SimpleServlet extends HttpServlet {
@Override
protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
resp.getWriter().write("OK2");
}
}
private static class AsyncHandler implements Runnable {
private final AsyncContext actx;
public AsyncHandler(final AsyncContext ctx) {
this.actx = ctx;
}
@Override
public void run() {
try {
actx.getResponse().getWriter().write("OK");
} catch (final IOException e) {
try {
HttpServletResponse.class.cast(actx.getResponse()).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
} catch (final IOException e1) {
// no-op
}
actx.complete();
}
actx.complete();
}
}
}