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/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* or .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.web.grizzly.tyrus;
import java.io.IOException;
import javax.websocket.DeploymentException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import org.glassfish.grizzly.filterchain.FilterChainBuilder;
import org.glassfish.grizzly.http.Method;
import org.glassfish.grizzly.http.server.AddOn;
import org.glassfish.grizzly.http.server.HttpHandler;
import org.glassfish.grizzly.http.server.HttpServerFilter;
import org.glassfish.grizzly.http.server.NetworkListener;
import org.glassfish.grizzly.http.server.Request;
import org.glassfish.grizzly.http.server.Response;
import org.glassfish.grizzly.http.server.ServerConfiguration;
import org.glassfish.grizzly.http.util.ContentType;
import org.glassfish.grizzly.servlet.WebappContext;
import org.glassfish.tyrus.core.TyrusWebSocketEngine;
import org.glassfish.tyrus.core.wsadl.model.Application;
import org.smallmind.web.grizzly.GrizzlyInitializationException;
import org.smallmind.web.grizzly.WebSocketExtensionInstaller;
public class TyrusWebSocketAddOn implements AddOn {
private final WebSocketExtensionInstaller[] webSocketExtensionInstallers;
private final ServerConfiguration serverConfiguration;
private final WebappContext webappContext;
private final HttpHandler staticHttpHandler;
private final String contextPath;
private final boolean includeWsadlSupport;
private TyrusGrizzlyServerContainer serverContainer;
public TyrusWebSocketAddOn (ServerConfiguration serverConfiguration, WebappContext webappContext, String contextPath, boolean includeWsadlSupport, HttpHandler staticHttpHandler, WebSocketExtensionInstaller... webSocketExtensionInstallers) {
this.webSocketExtensionInstallers = webSocketExtensionInstallers;
this.serverConfiguration = serverConfiguration;
this.webappContext = webappContext;
this.contextPath = contextPath;
this.includeWsadlSupport = includeWsadlSupport;
this.staticHttpHandler = staticHttpHandler;
}
public void start (int port)
throws IOException, DeploymentException {
serverContainer.start(contextPath, port);
}
public void doneDeployment () {
serverContainer.doneDeployment();
}
public void stop () {
serverContainer.stop();
}
@Override
public void setup (NetworkListener networkListener, FilterChainBuilder builder) {
int httpServerFilterIndex;
serverContainer = new TyrusGrizzlyServerContainer(networkListener, contextPath, webSocketExtensionInstallers);
if ((httpServerFilterIndex = builder.indexOfType(HttpServerFilter.class)) < 0) {
throw new GrizzlyInitializationException("Missing http servlet filter in the available filter chain");
} else {
networkListener.getKeepAlive().setIdleTimeoutInSeconds(-1);
if (includeWsadlSupport) {
serverConfiguration.addHttpHandler(new WsadlHttpHandler((TyrusWebSocketEngine)serverContainer.getWebSocketEngine(), staticHttpHandler));
}
// Insert the WebSocketFilter right before HttpServerFilter
builder.add(httpServerFilterIndex, new TyrusGrizzlyServerFilter(serverContainer.getWebSocketEngine(), contextPath));
webappContext.setAttribute("javax.websocket.server.ServerContainer", serverContainer);
}
}
private static class WsadlHttpHandler extends HttpHandler {
private final TyrusWebSocketEngine tyrusWebSocketEngine;
private final HttpHandler staticHttpHandler;
private JAXBContext wsadlJaxbContext;
private WsadlHttpHandler (TyrusWebSocketEngine tyrusWebSocketEngine, HttpHandler staticHttpHandler) {
this.tyrusWebSocketEngine = tyrusWebSocketEngine;
this.staticHttpHandler = staticHttpHandler;
}
private synchronized JAXBContext getWsadlJaxbContext ()
throws JAXBException {
if (wsadlJaxbContext == null) {
wsadlJaxbContext = JAXBContext.newInstance(Application.class.getPackage().getName());
}
return wsadlJaxbContext;
}
@Override
public void service (Request request, Response response)
throws Exception {
if (request.getMethod().equals(Method.GET) && request.getRequestURI().endsWith("application.wsadl")) {
getWsadlJaxbContext().createMarshaller().marshal(tyrusWebSocketEngine.getWsadlApplication(), response.getWriter());
response.setStatus(200);
response.setContentType(ContentType.newContentType("application/wsadl+xml"));
return;
}
if (staticHttpHandler != null) {
staticHttpHandler.service(request, response);
} else {
response.sendError(404);
}
}
}
}
