org.apache.struts.action
Class ExceptionHandler
java.lang.Object
|
+--org.apache.struts.action.ExceptionHandler
- public class ExceptionHandler
- extends java.lang.Object
An ExceptionHandler is configured in the Struts configuration file to handle a specific
type of exception thrown by an Action's execute method.
- Since:
- Struts 1.1
Method Summary |
ActionForward |
execute(java.lang.Exception ex,
ExceptionConfig ae,
ActionMapping mapping,
ActionForm formInstance,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
Handle the exception. |
protected void |
storeException(javax.servlet.http.HttpServletRequest request,
java.lang.String property,
ActionError error,
ActionForward forward,
java.lang.String scope)
Default implementation for handling an ActionError generated
from an Exception during Action delegation. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ExceptionHandler
public ExceptionHandler()
execute
public ActionForward execute(java.lang.Exception ex,
ExceptionConfig ae,
ActionMapping mapping,
ActionForm formInstance,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
throws javax.servlet.ServletException
- Handle the exception.
Return the
ActionForward
instance (if any) returned by
the called ExceptionHandler
.
- Parameters:
ex
- The exception to handleae
- The ExceptionConfig corresponding to the exceptionmapping
- The ActionMapping we are processingformInstance
- The ActionForm we are processingrequest
- The servlet request we are processingresponse
- The servlet response we are creating
- Throws:
javax.servlet.ServletException
- if a servlet exception occurs- Since:
- Struts 1.1
storeException
protected void storeException(javax.servlet.http.HttpServletRequest request,
java.lang.String property,
ActionError error,
ActionForward forward,
java.lang.String scope)
- Default implementation for handling an ActionError generated
from an Exception during Action delegation. The default
implementation is to set an attribute of the request or session, as
defined by the scope provided (the scope from the exception mapping). An
ActionErrors instance is created, the error is added to the collection
and the collection is set under the Globals.ERROR_KEY.
- Parameters:
request
- - The request we are handlingproperty
- - The property name to use for this errorerror
- - The error generated from the exception mappingforward
- - The forward generated from the input path (from the form or exception mapping)scope
- - The scope of the exception mapping.
Copyright © 2000-2003 - Apache Software Foundation