| /******************************************************************************* |
| * 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.ofbiz.webapp.event; |
| |
| import java.util.Locale; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.ofbiz.base.util.Debug; |
| import org.apache.ofbiz.base.util.UtilHttp; |
| import org.apache.ofbiz.base.util.UtilProperties; |
| import org.apache.ofbiz.entity.transaction.GenericTransactionException; |
| import org.apache.ofbiz.entity.transaction.TransactionUtil; |
| import org.apache.ofbiz.minilang.MiniLangException; |
| import org.apache.ofbiz.minilang.SimpleMethod; |
| import org.apache.ofbiz.webapp.control.ConfigXMLReader; |
| import org.apache.ofbiz.webapp.control.ConfigXMLReader.Event; |
| import org.apache.ofbiz.webapp.control.ConfigXMLReader.RequestMap; |
| |
| /** |
| * SimpleEventHandler - Simple Event Mini-Lang Handler |
| */ |
| public class SimpleEventHandler implements EventHandler { |
| |
| public static final String module = SimpleEventHandler.class.getName(); |
| /** Contains the property file name for translation of error messages. */ |
| public static final String err_resource = "WebappUiLabels"; |
| |
| /** |
| * @see org.apache.ofbiz.webapp.event.EventHandler#init(javax.servlet.ServletContext) |
| */ |
| public void init(ServletContext context) throws EventHandlerException { |
| } |
| |
| /** |
| * @see org.apache.ofbiz.webapp.event.EventHandler#invoke(ConfigXMLReader.Event, ConfigXMLReader.RequestMap, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) |
| */ |
| public String invoke(Event event, RequestMap requestMap, HttpServletRequest request, HttpServletResponse response) throws EventHandlerException { |
| boolean beganTransaction = false; |
| |
| String xmlResource = event.path; |
| String eventName = event.invoke; |
| Locale locale = UtilHttp.getLocale(request); |
| |
| if (Debug.verboseOn()) Debug.logVerbose("[Set path/method]: " + xmlResource + " / " + eventName, module); |
| |
| if (xmlResource == null) { |
| throw new EventHandlerException("XML Resource (eventPath) cannot be null"); |
| } |
| if (eventName == null) { |
| throw new EventHandlerException("Event Name (eventMethod) cannot be null"); |
| } |
| |
| Debug.logVerbose("[Processing]: SIMPLE Event", module); |
| try { |
| beganTransaction = TransactionUtil.begin(); |
| String eventReturn = SimpleMethod.runSimpleEvent(xmlResource, eventName, request, response); |
| if (Debug.verboseOn()) Debug.logVerbose("[Event Return]: " + eventReturn, module); |
| return eventReturn; |
| } catch (MiniLangException e) { |
| Debug.logError(e, module); |
| String errMsg = UtilProperties.getMessage(SimpleEventHandler.err_resource, "simpleEventHandler.event_not_completed", (locale != null ? locale : Locale.getDefault())) + ": "; |
| request.setAttribute("_ERROR_MESSAGE_", errMsg + e.getMessage()); |
| return "error"; |
| } catch (GenericTransactionException e) { |
| Debug.logError(e, module); |
| return "error"; |
| } finally { |
| try { |
| TransactionUtil.commit(beganTransaction); |
| } catch (GenericTransactionException e) { |
| Debug.logError(e, module); |
| } |
| } |
| } |
| } |