| 0,0 → 1,127 |
|---|
| package ak.hostadmiral.core.action; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.struts.Globals; |
| import org.apache.struts.action.ActionError; |
| import org.apache.struts.action.ActionErrors; |
| import org.apache.struts.action.ActionMessages; |
| import org.apache.struts.action.ExceptionHandler; |
| import org.apache.struts.action.ActionMapping; |
| import org.apache.struts.action.ActionForm; |
| import org.apache.struts.action.ActionForward; |
| import org.apache.struts.config.ExceptionConfig; |
| |
| import org.apache.log4j.Logger; |
| |
| import ak.strutsx.ErrorHandlerX; |
| |
| import ak.hostadmiral.util.UserException; |
| import ak.hostadmiral.util.ModelUserException; |
| import ak.hostadmiral.util.ModelSecurityException; |
| import ak.hostadmiral.util.ModelException; |
| import ak.hostadmiral.util.FormException; |
| |
| public final class GeneralExceptionHandler |
| extends ExceptionHandler |
| { |
| private static final Logger logger = Logger.getLogger(GeneralExceptionHandler.class); |
| |
| public ActionForward execute(Exception ex, ExceptionConfig config, |
| ActionMapping mapping, ActionForm formInstance, |
| HttpServletRequest request, HttpServletResponse response) |
| throws ServletException |
| { |
| if(ex instanceof UserException) { |
| return handleUserException((UserException)ex, |
| config, mapping, formInstance, request, response); |
| } |
| else if(ex instanceof ModelUserException) { |
| return handleModelUserException((ModelUserException)ex, |
| config, mapping, formInstance, request, response); |
| } |
| else if(ex instanceof ModelSecurityException) { |
| logger.error("security exception", ex); |
| Exception subex = ((ModelSecurityException)ex).getChainedException(); |
| if(subex != null && subex instanceof ModelException) |
| logChainedException((ModelSecurityException)subex); |
| |
| return mapping.findForward("accessDenied"); |
| } |
| else if(ex instanceof ModelException) { |
| logger.error("model exception", ex); |
| Exception subex = ((ModelException)ex).getChainedException(); |
| if(subex != null && subex instanceof ModelException) |
| logChainedException((ModelException)subex); |
| |
| return mapping.findForward("generalError"); |
| } |
| else { |
| logger.error("unhandled exception", ex); |
| return mapping.findForward("generalError"); |
| } |
| } |
| |
| protected void logChainedException(ModelException ex) |
| { |
| logger.error("chained exception", ex); |
| |
| Exception subex = ex.getChainedException(); |
| if(subex != null && subex instanceof ModelException) |
| logChainedException((ModelException)subex); |
| } |
| |
| protected ActionForward handleUserException(UserException ex, ExceptionConfig config, |
| ActionMapping mapping, ActionForm formInstance, |
| HttpServletRequest request, HttpServletResponse response) |
| throws ServletException |
| { |
| logger.info("user exception handle:" + ex.getMessage()); |
| |
| // try to get property for this exception if any |
| String property = ActionMessages.GLOBAL_MESSAGE; |
| if(ex instanceof FormException) { |
| FormException formEx = (FormException)ex; |
| if(formEx.getProperty() != null) |
| property = formEx.getProperty(); |
| } |
| |
| // create new error message |
| ActionErrors errors = (ActionErrors)request.getAttribute(Globals.ERROR_KEY); |
| if(errors == null) { |
| errors = new ActionErrors(); |
| request.setAttribute(Globals.ERROR_KEY, errors); |
| } |
| errors.add(property, new ActionError(ex.getMessage(), ex.getValues())); |
| |
| // find forward |
| if(mapping.getInput() == null) |
| return mapping.findForward("error"); |
| else |
| return mapping.getInputForward(); |
| } |
| |
| protected ActionForward handleModelUserException(ModelUserException ex, ExceptionConfig config, |
| ActionMapping mapping, ActionForm formInstance, |
| HttpServletRequest request, HttpServletResponse response) |
| throws ServletException |
| { |
| logger.info("model user exception handle:" + ex.getMessage()); |
| |
| // create new error message |
| ActionErrors errors = (ActionErrors)request.getAttribute(Globals.ERROR_KEY); |
| if(errors == null) { |
| errors = new ActionErrors(); |
| request.setAttribute(Globals.ERROR_KEY, errors); |
| } |
| errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionError(ex.getMessage(), ex.getValues())); |
| |
| // find forward |
| if(mapping.getInput() == null) |
| return mapping.findForward("error"); |
| else |
| return mapping.getInputForward(); |
| } |
| } |