001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 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     */
022    package org.granite.seam;
023    
024    import javax.faces.application.FacesMessage;
025    import javax.faces.context.FacesContext;
026    
027    import org.granite.logging.Logger;
028    import org.granite.messaging.service.DefaultServiceExceptionHandler;
029    import org.granite.messaging.service.ServiceException;
030    import org.granite.messaging.service.ServiceInvocationContext;
031    import org.granite.messaging.service.security.SecurityServiceException;
032    import org.hibernate.validator.InvalidStateException;
033    import org.hibernate.validator.InvalidValue;
034    
035    /**
036     * @author Venkat DANDA
037     * @author Cameron INGRAM
038     *
039     * Update services-config.xml to use the seam service exception handler
040     * <factory id="seamFactory" class="org.granite.seam.SeamServiceFactory" >
041     *      <properties>
042     *              <service-exception-handler>org.granite.seam.SeamServiceExceptionHandler</service-exception-handler>
043     *      </properties>
044     * </factory>
045     */
046    public class SeamServiceExceptionHandler extends DefaultServiceExceptionHandler {
047    
048        private static final long serialVersionUID = -929771583032427716L;
049            private static final Logger log = Logger.getLogger(SeamServiceExceptionHandler.class);
050    
051        public SeamServiceExceptionHandler() {
052            this(true);
053        }
054    
055        public SeamServiceExceptionHandler(boolean logException) {
056                    super(logException);
057            }
058    
059        @Override
060        public ServiceException handleInvocationException(ServiceInvocationContext context, Throwable t) {
061            try {
062                while ((!(t instanceof InvalidStateException) && (t.getCause() != null)))
063                    t = t.getCause();
064    
065                if (t instanceof InvalidStateException) {
066                    InvalidStateException ise = (InvalidStateException)t;
067                    InvalidValue[] temp = ise.getInvalidValues();
068                    if (temp != null && temp.length > 0) {
069                                            for (int i = 0; i < temp.length; i++)
070                                                    FacesContext.getCurrentInstance().addMessage(temp[i].getPropertyName(), new FacesMessage(temp[i].getMessage()));
071                                    }
072                }
073            }
074            catch(Exception e) {
075                log.error(e, "Could not add FacesMessage for exception: %s", t);
076            }
077    
078            if (t instanceof SecurityServiceException)
079                log.debug(t, "Could not process remoting message: %s", context.getMessage());
080            else
081                log.error(t, "Could not process remoting message: %s", context.getMessage());
082    
083            
084            return getServiceException(context, t);
085        }
086    
087    }