/**
* 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.cxf.transport.websocket.atmosphere;
import java.io.IOException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.cxf.Bus;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.http.DestinationRegistry;
import org.apache.cxf.transport.http_jetty.JettyHTTPDestination;
import org.apache.cxf.transport.http_jetty.JettyHTTPHandler;
import org.apache.cxf.transport.http_jetty.JettyHTTPServerEngineFactory;
import org.apache.cxf.transport.websocket.WebSocketDestinationService;
import org.atmosphere.cpr.ApplicationConfig;
import org.atmosphere.cpr.AtmosphereFramework;
import org.atmosphere.cpr.AtmosphereRequestImpl;
import org.atmosphere.cpr.AtmosphereResource;
import org.atmosphere.cpr.AtmosphereResponseImpl;
import org.atmosphere.handler.AbstractReflectorAtmosphereHandler;
import org.eclipse.jetty.server.Request;
/**
*
*/
public class AtmosphereWebSocketJettyDestination extends JettyHTTPDestination implements
WebSocketDestinationService {
private static final Logger LOG = LogUtils.getL7dLogger(AtmosphereWebSocketJettyDestination.class);
private AtmosphereFramework framework;
public AtmosphereWebSocketJettyDestination(Bus bus, DestinationRegistry registry, EndpointInfo ei,
JettyHTTPServerEngineFactory serverEngineFactory) throws IOException {
super(bus, registry, ei,
serverEngineFactory == null ? null : new URL(getNonWSAddress(ei)),
serverEngineFactory);
framework = new AtmosphereFramework(false, true);
framework.setUseNativeImplementation(false);
framework.addInitParameter(ApplicationConfig.PROPERTY_NATIVE_COMETSUPPORT, "true");
framework.addInitParameter(ApplicationConfig.PROPERTY_SESSION_SUPPORT, "true");
framework.addInitParameter(ApplicationConfig.WEBSOCKET_SUPPORT, "true");
framework.addInitParameter(ApplicationConfig.WEBSOCKET_PROTOCOL_EXECUTION, "true");
// workaround for atmosphere's jsr356 initialization requiring servletConfig
framework.addInitParameter(ApplicationConfig.WEBSOCKET_SUPPRESS_JSR356, "true");
AtmosphereUtils.addInterceptors(framework, bus);
framework.addAtmosphereHandler("/", new DestinationHandler());
framework.init();
}
@Override
public void invokeInternal(ServletConfig config, ServletContext context, HttpServletRequest req,
HttpServletResponse resp) throws IOException {
super.invoke(config, context, req, resp);
}
private static String getNonWSAddress(EndpointInfo endpointInfo) {
String address = endpointInfo.getAddress();
if (address.startsWith("ws")) {
address = "http" + address.substring(2);
}
return address;
}
@Override
protected String getAddress(EndpointInfo endpointInfo) {
return getNonWSAddress(endpointInfo);
}
@Override
protected String getBasePath(String contextPath) throws IOException {
if (StringUtils.isEmpty(endpointInfo.getAddress())) {
return "";
}
return new URL(getAddress(endpointInfo)).getPath();
}
@Override
protected JettyHTTPHandler createJettyHTTPHandler(JettyHTTPDestination jhd, boolean cmExact) {
return new AtmosphereJettyWebSocketHandler(jhd, cmExact);
}
@Override
public void shutdown() {
try {
framework.destroy();
} catch (Exception e) {
// ignore
} finally {
super.shutdown();
}
}
private class AtmosphereJettyWebSocketHandler extends JettyHTTPHandler {
AtmosphereJettyWebSocketHandler(JettyHTTPDestination jhd, boolean cmExact) {
super(jhd, cmExact);
}
@Override
public void handle(String target, Request baseRequest, HttpServletRequest request,
HttpServletResponse response) throws IOException, ServletException {
if (AtmosphereUtils.useAtmosphere(request)) {
try {
framework.doCometSupport(AtmosphereRequestImpl.wrap(request),
AtmosphereResponseImpl.wrap(response));
baseRequest.setHandled(true);
} catch (ServletException e) {
throw new IOException(e);
}
return;
} else {
super.handle(target, baseRequest, request, response);
}
}
}
private class DestinationHandler extends AbstractReflectorAtmosphereHandler {
@Override
public void onRequest(final AtmosphereResource resource) throws IOException {
LOG.fine("onRequest");
try {
invokeInternal(null,
resource.getRequest().getServletContext(), resource.getRequest(), resource.getResponse());
} catch (Exception e) {
LOG.log(Level.WARNING, "Failed to invoke service", e);
}
}
}
// used for internal tests
AtmosphereFramework getAtmosphereFramework() {
return framework;
}
}