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.seam;
022    
023    import static org.jboss.seam.annotations.Install.FRAMEWORK;
024    
025    import java.util.ArrayList;
026    import java.util.List;
027    
028    import javax.faces.application.FacesMessage;
029    
030    import org.granite.tide.TideMessage;
031    import org.granite.tide.TideStatusMessages;
032    import org.granite.util.Reflections;
033    import org.jboss.seam.ScopeType;
034    import org.jboss.seam.annotations.Install;
035    import org.jboss.seam.annotations.Name;
036    import org.jboss.seam.annotations.Scope;
037    import org.jboss.seam.annotations.intercept.BypassInterceptors;
038    import org.jboss.seam.faces.FacesMessages;
039    
040    
041    /**
042     * @author William DRAI
043     */
044    @Scope(ScopeType.SESSION)
045    @Name("org.granite.tide.seam.serviceContext")
046    @Install(precedence=FRAMEWORK)
047    @BypassInterceptors
048    public class SeamServiceContext extends AbstractSeamServiceContext {
049        
050        private static final long serialVersionUID = 1L;
051    
052    
053        @Override
054        protected void initTideMessages() {
055            FacesMessages.instance();   // Forces initialization of TideMessages component
056        }
057        
058        @Override
059        protected void clearTideMessages() {
060            if (FacesMessages.instance() instanceof TideMessages)
061                ((TideMessages)FacesMessages.instance()).clearTideMessages();
062            else {
063                    try {
064                            Reflections.invoke(FacesMessages.instance().getClass().getMethod("clear"), FacesMessages.instance());
065                    }
066                    catch (Exception e) {
067                            log.error("Could not clear list of TideMessages", e);
068                    }
069            }
070        }
071        
072        /**
073         * Retrieve current messages
074         * 
075         * @return list of messages
076         */
077        @Override
078        protected TideStatusMessages getTideMessages() {
079            // Prepare for the messages. First step is convert the tasks to Seam FacesMessages
080                    FacesMessages.afterPhase();
081    
082            // Second step is add the Seam FacesMessages to JSF FacesContext Messages
083            FacesMessages.instance().beforeRenderResponse();
084            
085            List<FacesMessage> facesMessages = FacesMessages.instance().getCurrentMessages();
086            List<TideMessage> tideMessages = new ArrayList<TideMessage>(facesMessages.size());
087            for (FacesMessage fm : facesMessages) {
088                String severity = null;
089                if (fm.getSeverity() == FacesMessage.SEVERITY_INFO)
090                    severity = TideMessage.INFO;
091                else if (fm.getSeverity() == FacesMessage.SEVERITY_WARN)
092                    severity = TideMessage.WARNING;
093                else if (fm.getSeverity() == FacesMessage.SEVERITY_ERROR)
094                    severity = TideMessage.ERROR;
095                else if (fm.getSeverity() == FacesMessage.SEVERITY_FATAL)
096                    severity = TideMessage.FATAL;
097                
098                tideMessages.add(new TideMessage(severity, fm.getSummary(), fm.getDetail()));
099            }
100            return new TideStatusMessages(tideMessages);
101        }
102    }