| /******************************************************************************* |
| * 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.ofbiz.webapp.event; |
| |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.servlet.ServletContext; |
| |
| import org.ofbiz.base.util.Debug; |
| import org.ofbiz.base.util.GeneralRuntimeException; |
| import org.ofbiz.base.util.ObjectType; |
| import org.ofbiz.webapp.control.ConfigXMLReader; |
| |
| /** |
| * EventFactory - Event Handler Factory |
| */ |
| public class EventFactory { |
| |
| public static final String module = EventFactory.class.getName(); |
| |
| private final Map<String, EventHandler> handlers = new HashMap<String, EventHandler>(); |
| |
| public EventFactory(ServletContext context, URL controllerConfigURL) { |
| // load all the event handlers |
| try { |
| Set<Map.Entry<String,String>> handlerEntries = ConfigXMLReader.getControllerConfig(controllerConfigURL).getEventHandlerMap().entrySet(); |
| if (handlerEntries != null) { |
| for (Map.Entry<String,String> handlerEntry: handlerEntries) { |
| EventHandler handler = (EventHandler) ObjectType.getInstance(handlerEntry.getValue()); |
| handler.init(context); |
| this.handlers.put(handlerEntry.getKey(), handler); |
| } |
| } |
| } catch (Exception e) { |
| Debug.logError(e, module); |
| throw new GeneralRuntimeException(e); |
| } |
| } |
| |
| public EventHandler getEventHandler(String type) throws EventHandlerException { |
| EventHandler handler = handlers.get(type); |
| if (handler == null) { |
| throw new EventHandlerException("No handler found for type: " + type); |
| } |
| return handler; |
| } |
| } |