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## org.apache.struts.chain.commands
Class AbstractExceptionHandler

    java.lang.Object
      org.apache.struts.chain.commands.ActionCommandBase
          org.apache.struts.chain.commands.AbstractExceptionHandler

All Implemented Interfaces:
  org.apache.commons.chain.Command, ActionCommand

Direct Known Subclasses:
  ExceptionHandler

    public abstract class AbstractExceptionHandler

extends ActionCommandBase

Invoke the local or global exception handler configured for the exception class that occurred.

Version:
  $Rev: 471754 $ $Date: 2005-11-12 13:01:44 -0500 (Sat, 12 Nov 2005) $

Field Summary

Fields inherited from interface org.apache.commons.chain.Command
`CONTINUE_PROCESSING, PROCESSING_COMPLETE`

Constructor Summary
`AbstractExceptionHandler()`

Method Summary
`boolean` | `execute(ActionContext actionCtx)` Invoke the appropriate `Action` for this request, and cache the returned `ActionForward`.
`protected abstract ForwardConfig` | `handle(ActionContext context, Exception exception, ExceptionConfig exceptionConfig, ActionConfig actionConfig, ModuleConfig moduleConfig)` Perform the required handling of the specified exception.

Methods inherited from class org.apache.struts.chain.commands.ActionCommandBase
`execute`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### AbstractExceptionHandler

    public AbstractExceptionHandler()

Method Detail

### execute

    public boolean execute(ActionContext actionCtx)
                    throws Exception

  Invoke the appropriate `Action` for this request, and cache the returned `ActionForward`.

  Specified by:
    `execute` in interface `ActionCommand`
  Specified by:
    `execute` in class `ActionCommandBase`
  Parameters:
    `actionCtx` - The `Context` for the current request
  Returns:
    `false` if a `ForwardConfig` is returned, else `true` to complete processing
  Throws:
    `Exception` - if thrown by the Action class and not declared by an Exception Handler

### handle

    protected abstract ForwardConfig handle(ActionContext context,
                                            Exception exception,
                                            ExceptionConfig exceptionConfig,
                                            ActionConfig actionConfig,
                                            ModuleConfig moduleConfig)
                                     throws Exception

  Perform the required handling of the specified exception.

  Parameters:
    `context` - The `Context` for this request
    `exception` - The exception being handled
    `exceptionConfig` - The corresponding `ExceptionConfig`
    `actionConfig` - The `ActionConfig` for this request
    `moduleConfig` - The `ModuleConfig` for this request
  Returns:
    the `ForwardConfig` to be processed next (if any), or `null` if processing has been completed
  Throws:
    `Exception` - if there are any problems handling the exception

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