/*

  * Copyright 2007-2008 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kns.web.struts.form.pojo;

 import org.apache.log4j.Logger;

 import org.apache.struts.action.ActionForm;

 import org.apache.struts.action.ActionForward;

 import org.apache.struts.action.ActionMapping;

 import org.apache.struts.action.ExceptionHandler;

 import org.apache.struts.config.ExceptionConfig;

 import org.kuali.rice.kns.web.struts.form.KualiDocumentFormBase;

 import org.kuali.rice.kns.util.IncidentReportUtils;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import java.util.Map;

 /**

  * This class is the exception handler for the base exception class java.lang.Throwable

  * and is defined as global exception in the struts-config.xml. 

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class StrutsExceptionIncidentHandler extends ExceptionHandler {

     private static final Logger LOG=

         Logger.getLogger(StrutsExceptionIncidentHandler.class);

     /**

      * This is defined in struts-config.xml for forwarding this exception to a specified

      * exception handler.

      * <p>Value is exceptionIncidentHandler

      */

     public static final String EXCEPTION_INCIDENT_HANDLER="exceptionIncidentHandler";

     /**

      * This overridden method extract exception information such as component name,

      * user name and email, etc.

      * 

      * @see org.apache.struts.action.ExceptionHandler#execute(

      * java.lang.Exception,

      *  org.apache.struts.config.ExceptionConfig,

      *   org.apache.struts.action.ActionMapping,

      *    org.apache.struts.action.ActionForm,

      *     javax.servlet.http.HttpServletRequest,

      *      javax.servlet.http.HttpServletResponse)

      */

     public ActionForward execute(Exception exception,

             ExceptionConfig exceptionConfig,

             ActionMapping mapping,

             ActionForm form,

             HttpServletRequest request,

             HttpServletResponse response) {

         if (LOG.isTraceEnabled()) {

             String message=String.format("ENTRY %s", exception.getMessage());

             LOG.trace(message);

         }

         LOG.error("Exception being handled by Exception Handler", exception);

         String documentId="";

         if (form instanceof KualiDocumentFormBase) {

             KualiDocumentFormBase docForm=(KualiDocumentFormBase)form;

             if (docForm.getDocument() != null) {

                     documentId=docForm.getDocument().getDocumentNumber();

             }

         }

         Map<String, String> properties = IncidentReportUtils.populateRequestForIncidentReport(exception, documentId, form.getClass().getSimpleName(), request);

         ActionForward forward=mapping.findForward(EXCEPTION_INCIDENT_HANDLER);

         if (LOG.isTraceEnabled()) {

             String message=String.format("ENTRY %s%n%s%n%s",

                     exception.getMessage(),

                     properties.toString(),

                     (forward==null)?"null":forward.getPath());

             LOG.trace(message);

         }

         return forward;

     }

 }