/*
* Copyright (c) 2011 PonySDK
* Owners:
* Luciano Broussal <luciano.broussal AT gmail.com>
* Mathieu Barbier <mathieu.barbier AT gmail.com>
* Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com>
*
* WebSite:
* http://code.google.com/p/pony-sdk/
*
* Licensed 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 com.ponysdk.core.servlet;
import javax.servlet.ServletException;
import com.ponysdk.core.AbstractApplicationManager;
import com.ponysdk.core.ApplicationManagerOption;
import com.ponysdk.core.UIContext;
import com.ponysdk.core.event.EventBus;
import com.ponysdk.core.event.SimpleEventBus;
import com.ponysdk.core.main.EntryPoint;
import com.ponysdk.ui.server.basic.PHistory;
/**
* The server side implementation of the RPC service.
*/
@SuppressWarnings("serial")
public class HttpServlet extends AbstractHttpServlet {
private String entryPointClassName;
public HttpServlet() {}
public HttpServlet(final ApplicationManagerOption options) {
super(options);
}
@Override
public void init() throws ServletException {
super.init();
if (entryPointClassName == null || entryPointClassName.isEmpty()) entryPointClassName = getServletConfig().getInitParameter("entryPoint");
if (entryPointClassName == null || entryPointClassName.isEmpty()) throw new ServletException("The entry point must be defined in your web.xml.");
}
@Override
protected AbstractApplicationManager createApplicationManager() {
return new AbstractApplicationManager(options) {
@Override
protected EntryPoint initializePonySession(final UIContext ponySession) throws ServletException {
EntryPoint entryPoint = null;
try {
final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
final Class<?> clazz = classLoader.loadClass(entryPointClassName);
entryPoint = (EntryPoint) clazz.newInstance();
} catch (final ClassNotFoundException e) {
throw new ServletException("Unable to load the entry point #" + entryPointClassName + " from the classpath.", e);
} catch (final Exception e) {
throw new ServletException("Failed to instantiate the entry point #" + entryPointClassName, e);
}
final EventBus rootEventBus = new SimpleEventBus();
final PHistory history = new PHistory();
ponySession.setRootEventBus(rootEventBus);
ponySession.setHistory(history);
return entryPoint;
}
};
}
public void setEntryPointClassName(final String entryPointClassName) {
this.entryPointClassName = entryPointClassName;
}
}