001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.tide.seam21;
022    
023    import static org.jboss.seam.annotations.Install.FRAMEWORK;
024    
025    import java.lang.reflect.Method;
026    import java.util.ArrayList;
027    import java.util.HashMap;
028    import java.util.List;
029    import java.util.Map;
030    
031    import org.granite.tide.TideMessage;
032    import org.granite.tide.seam.AbstractSeamServiceContext;
033    import org.granite.util.Reflections;
034    import org.jboss.seam.ScopeType;
035    import org.jboss.seam.annotations.Install;
036    import org.jboss.seam.annotations.Name;
037    import org.jboss.seam.annotations.Scope;
038    import org.jboss.seam.annotations.intercept.BypassInterceptors;
039    import org.jboss.seam.international.StatusMessage;
040    import org.jboss.seam.international.StatusMessages;
041    
042    
043    /**
044     * @author William DRAI
045     */
046    @Scope(ScopeType.SESSION)
047    @Name("org.granite.tide.seam.serviceContext")
048    @Install(precedence=FRAMEWORK+1)
049    @BypassInterceptors
050    public class Seam21ServiceContext extends AbstractSeamServiceContext {
051        
052        private static final long serialVersionUID = 1L;
053    
054    
055        @Override
056        protected void initTideMessages() {
057            StatusMessages.instance();
058        }
059        
060        @Override
061        protected void clearTideMessages() {
062            StatusMessages statusMessages = StatusMessages.instance();
063            if (statusMessages instanceof TideStatusMessages)
064                ((TideStatusMessages)statusMessages).clear();
065            else {
066                    try {
067                            Reflections.invoke(statusMessages.getClass().getMethod("clear"), statusMessages);
068                    }
069                    catch (Exception e) {
070                            log.error("Could not clear list of TideMessages", e);
071                    }
072            }
073        }
074        
075        
076        /**
077         * Retrieve current messages
078         * 
079         * @return list of messages
080         */
081            @Override
082        protected org.granite.tide.TideStatusMessages getTideMessages() {
083            StatusMessages statusMessages = StatusMessages.instance();
084            if (statusMessages == null)
085                return org.granite.tide.TideStatusMessages.EMPTY_STATUS_MESSAGES;
086            
087            try {
088                // Execute and get the messages (once again reflection hack to use protected methods) 
089                Method m = StatusMessages.class.getDeclaredMethod("doRunTasks");
090                m.setAccessible(true);
091                m.invoke(statusMessages);
092                
093                Method m2 = StatusMessages.class.getDeclaredMethod("getMessages");
094                m2.setAccessible(true);
095                @SuppressWarnings("unchecked")
096                List<StatusMessage> messages = (List<StatusMessage>)m2.invoke(statusMessages);
097                List<TideMessage> tideMessages = new ArrayList<TideMessage>(messages.size());
098                
099                log.debug("Found Messages: %b", !messages.isEmpty());
100                for (StatusMessage msg : messages) {
101                    String severity = null;
102                    if (msg.getSeverity() == StatusMessage.Severity.INFO)
103                        severity = TideMessage.INFO;
104                    else if (msg.getSeverity() == StatusMessage.Severity.WARN)
105                        severity = TideMessage.WARNING;
106                    else if (msg.getSeverity() == StatusMessage.Severity.ERROR)
107                        severity = TideMessage.ERROR;
108                    else if (msg.getSeverity() == StatusMessage.Severity.FATAL)
109                        severity = TideMessage.FATAL;
110                    
111                    tideMessages.add(new TideMessage(severity, msg.getSummary(), msg.getDetail()));
112                }
113                
114                Method m3 = StatusMessages.class.getDeclaredMethod("getKeyedMessages");
115                m3.setAccessible(true);
116                @SuppressWarnings("unchecked")
117                Map<String, List<StatusMessage>> keyedMessages = (Map<String, List<StatusMessage>>)m3.invoke(statusMessages);
118                Map<String, List<TideMessage>> tideKeyedMessages = new HashMap<String, List<TideMessage>>(keyedMessages.size());
119                for (Map.Entry<String, List<StatusMessage>> me : keyedMessages.entrySet()) {
120                    List<TideMessage> tmsgs = new ArrayList<TideMessage>(me.getValue().size());
121                        for (StatusMessage msg : me.getValue()) {
122                            String severity = null;
123                            if (msg.getSeverity() == StatusMessage.Severity.INFO)
124                                severity = TideMessage.INFO;
125                            else if (msg.getSeverity() == StatusMessage.Severity.WARN)
126                                severity = TideMessage.WARNING;
127                            else if (msg.getSeverity() == StatusMessage.Severity.ERROR)
128                                severity = TideMessage.ERROR;
129                            else if (msg.getSeverity() == StatusMessage.Severity.FATAL)
130                                severity = TideMessage.FATAL;
131                            
132                            tmsgs.add(new TideMessage(severity, msg.getSummary(), msg.getDetail()));
133                        }
134                        tideKeyedMessages.put(me.getKey(), tmsgs);
135                }
136                
137                return new org.granite.tide.TideStatusMessages(tideMessages, tideKeyedMessages);
138            }
139            catch (Exception e) {
140                log.error("Could not get status messages", e);
141            }
142            
143            return org.granite.tide.TideStatusMessages.EMPTY_STATUS_MESSAGES;
144        }
145    }