001 /* 002 * Copyright © 2008, 2009 Pedro Agulló Soliveres. 003 * 004 * This file is part of DirectJNgine. 005 * 006 * DirectJNgine is free software: you can redistribute it and/or modify 007 * it under the terms of the GNU Lesser General Public License as published by 008 * the Free Software Foundation, either version 3 of the License. 009 * 010 * Commercial use is permitted to the extent that the code/component(s) 011 * do NOT become part of another Open Source or Commercially developed 012 * licensed development library or toolkit without explicit permission. 013 * 014 * DirectJNgine is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 017 * GNU Lesser General Public License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public License 020 * along with DirectJNgine. If not, see <http://www.gnu.org/licenses/>. 021 * 022 * This software uses the ExtJs library (http://extjs.com), which is 023 * distributed under the GPL v3 license (see http://extjs.com/license). 024 */ 025 026 package com.softwarementors.extjs.djn.router.processor.standard; 027 028 import com.softwarementors.extjs.djn.StringUtils; 029 import com.softwarementors.extjs.djn.api.RegisteredAction; 030 import com.softwarementors.extjs.djn.api.RegisteredStandardMethod; 031 import com.softwarementors.extjs.djn.api.Registry; 032 import com.softwarementors.extjs.djn.config.GlobalConfiguration; 033 import com.softwarementors.extjs.djn.router.dispatcher.Dispatcher; 034 import com.softwarementors.extjs.djn.router.processor.RequestException; 035 import com.softwarementors.extjs.djn.router.processor.RequestProcessorBase; 036 import com.softwarementors.extjs.djn.router.processor.RequestProcessorUtils; 037 038 public abstract class StandardRequestProcessorBase extends RequestProcessorBase { 039 protected StandardErrorResponseData createJsonServerErrorResponse(StandardRequestData request, Throwable t) { 040 assert request != null; 041 assert t != null; 042 043 Throwable reportedException = RequestProcessorUtils.getExceptionToReport(t); 044 String message = RequestProcessorUtils.getExceptionMessage(reportedException); 045 String where = RequestProcessorUtils.getExceptionWhere(reportedException, getDebug()); 046 047 StandardErrorResponseData response = new StandardErrorResponseData( request.getTid(), request.getAction(), request.getMethod()); 048 response.setMessageAndWhere( message, where); 049 return response; 050 } 051 052 protected StandardRequestProcessorBase( Registry registry, Dispatcher dispatcher, GlobalConfiguration globalConfiguration ) { 053 super(registry,dispatcher,globalConfiguration); 054 } 055 056 protected RegisteredStandardMethod getStandardMethod(String actionName, String methodName) { 057 assert !StringUtils.isEmpty(actionName); 058 assert !StringUtils.isEmpty(methodName); 059 060 RegisteredAction action = getRegistry().getAction(actionName); 061 if( action == null ) { 062 throw RequestException.forActionNotFound( actionName ); 063 } 064 065 RegisteredStandardMethod method = action.getStandardMethod(methodName); 066 if( method == null ) { 067 throw RequestException.forActionMethodNotFound( action.getName(), methodName ); 068 } 069 return method; 070 } 071 072 protected Object dispatchStandardMethod( String actionName, String methodName, Object[] parameters ) { 073 assert !StringUtils.isEmpty(actionName); 074 assert !StringUtils.isEmpty(methodName); 075 assert parameters != null; 076 077 RegisteredStandardMethod method = getStandardMethod( actionName, methodName); 078 Object result = getDispatcher().dispatch(method, parameters); 079 return result; 080 } 081 082 }