001    /*
002     * Copyright © 2008, 2012 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    
037    public abstract class StandardRequestProcessorBase extends RequestProcessorBase {  
038      protected StandardErrorResponseData createJsonServerErrorResponse(StandardRequestData request, Throwable t) {
039        assert request != null;
040        assert t != null;
041        
042        StandardErrorResponseData response = new StandardErrorResponseData( 
043            request.getTid(), request.getAction(), request.getMethod(), t, getDebug() );
044        return response;
045      }
046      
047      protected StandardRequestProcessorBase( Registry registry, Dispatcher dispatcher, GlobalConfiguration globalConfiguration ) {
048        super(registry,dispatcher,globalConfiguration);
049      }
050    
051      protected RegisteredStandardMethod getStandardMethod(String actionName, String methodName) {
052        assert !StringUtils.isEmpty(actionName);
053        assert !StringUtils.isEmpty(methodName);
054    
055        RegisteredAction action = getRegistry().getAction(actionName); 
056        if( action == null ) {
057          throw RequestException.forActionNotFound( actionName );
058        }
059    
060        RegisteredStandardMethod method = action.getStandardMethod(methodName);
061        if( method == null ) {
062          throw RequestException.forActionMethodNotFound( action.getName(), methodName );
063        }
064        return method;
065      }
066    
067      protected Object dispatchStandardMethod( String actionName, String methodName, Object[] parameters ) {
068        assert !StringUtils.isEmpty(actionName);  
069        assert !StringUtils.isEmpty(methodName);
070        assert parameters != null;
071        
072        RegisteredStandardMethod method = getStandardMethod( actionName, methodName);
073        Object result = getDispatcher().dispatch(method, parameters);
074        return result;
075      }
076    
077    }