001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2014 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.tide.seam21;
023
024import java.lang.reflect.Method;
025import java.util.ArrayList;
026import java.util.HashMap;
027import java.util.List;
028import java.util.Map;
029
030import org.granite.config.flex.Destination;
031import org.granite.logging.Logger;
032import org.granite.messaging.service.ExtendedServiceExceptionHandler;
033import org.granite.messaging.service.ServiceException;
034import org.granite.tide.TideMessage;
035import org.jboss.seam.international.StatusMessage;
036import org.jboss.seam.international.StatusMessages;
037
038import flex.messaging.messages.Message;
039
040
041/**
042 * @author Venkat DANDA
043 * @author Cameron INGRAM
044 *
045 * Update services-config.xml to use the seam service exception handler
046 * <factory id="tideSeamFactory" class="org.granite.tide.seam.SeamServiceFactory" >
047 *      <properties>
048 *              <service-exception-handler>org.granite.tide.seam.SeamServiceExceptionHandler</service-exception-handler>
049 *      </properties>
050 * </factory>
051 */
052public class Seam21ServiceExceptionHandler extends ExtendedServiceExceptionHandler {
053
054    private static final long serialVersionUID = -1L;
055    
056    private static final Logger log = Logger.getLogger(Seam21ServiceExceptionHandler.class);
057
058    
059    public Seam21ServiceExceptionHandler() {
060        super(true);
061    }
062
063    public Seam21ServiceExceptionHandler(boolean logException) {
064        super(logException);
065    }
066
067    
068        @Override
069    protected ServiceException getServiceException(Message request, Destination destination, String method, Throwable t) {
070        ServiceException se = super.getServiceException(request, destination, method, t);
071        
072        StatusMessages statusMessages = StatusMessages.instance();
073        if (statusMessages != null) {
074            List<TideMessage> tideMessages = new ArrayList<TideMessage>();
075            Map<String, List<TideMessage>> tideKeyedMessages = new HashMap<String, List<TideMessage>>();
076            try {
077                // Execute and get the messages (once again reflection hack to use protected methods) 
078                Method m = StatusMessages.class.getDeclaredMethod("doRunTasks");
079                m.setAccessible(true);
080                m.invoke(statusMessages);
081                
082                Method m2 = StatusMessages.class.getDeclaredMethod("getMessages");
083                m2.setAccessible(true);
084                @SuppressWarnings("unchecked")
085                List<StatusMessage> messages = (List<StatusMessage>)m2.invoke(statusMessages);
086                
087                for (StatusMessage msg : messages) {
088                    String severity = null;
089                    if (msg.getSeverity() == StatusMessage.Severity.INFO)
090                        severity = TideMessage.INFO;
091                    else if (msg.getSeverity() == StatusMessage.Severity.WARN)
092                        severity = TideMessage.WARNING;
093                    else if (msg.getSeverity() == StatusMessage.Severity.ERROR)
094                        severity = TideMessage.ERROR;
095                    else if (msg.getSeverity() == StatusMessage.Severity.FATAL)
096                        severity = TideMessage.FATAL;
097                    
098                    tideMessages.add(new TideMessage(severity, msg.getSummary(), msg.getDetail()));
099                }
100                
101                Method m3 = StatusMessages.class.getDeclaredMethod("getKeyedMessages");
102                m3.setAccessible(true);
103                @SuppressWarnings("unchecked")
104                Map<String, List<StatusMessage>> keyedMessages = (Map<String, List<StatusMessage>>)m3.invoke(statusMessages);
105                for (Map.Entry<String, List<StatusMessage>> me : keyedMessages.entrySet()) {
106                        List<TideMessage> tmsgs = new ArrayList<TideMessage>(me.getValue().size());
107                    for (StatusMessage msg : me.getValue()) {
108                        String severity = null;
109                        if (msg.getSeverity() == StatusMessage.Severity.INFO)
110                            severity = TideMessage.INFO;
111                        else if (msg.getSeverity() == StatusMessage.Severity.WARN)
112                            severity = TideMessage.WARNING;
113                        else if (msg.getSeverity() == StatusMessage.Severity.ERROR)
114                            severity = TideMessage.ERROR;
115                        else if (msg.getSeverity() == StatusMessage.Severity.FATAL)
116                            severity = TideMessage.FATAL;
117                        
118                        tmsgs.add(new TideMessage(severity, msg.getSummary(), msg.getDetail()));
119                    }
120                    tideKeyedMessages.put(me.getKey(), tmsgs);
121                }
122            }
123            catch (Exception e) {
124                log.error("Could not get status messages", e);
125            }
126            se.getExtendedData().put("messages", tideMessages);
127            se.getExtendedData().put("keyedMessages", tideKeyedMessages);
128        }
129        return se;
130    }
131}