com.opensymphony.xwork.interceptor
Class AbstractLifecycleInterceptor

java.lang.Object
  com.opensymphony.xwork.interceptor.AbstractLifecycleInterceptor

All Implemented Interfaces:

Interceptor, PreResultListener, Serializable

public abstract class AbstractLifecycleInterceptor

extends Object

implements Interceptor, PreResultListener

AbstractLifecycleInterceptor is a convenience interceptor that is like an

Version:

$Date: 2006-03-19 17:17:47 +0100 (Sun, 19 Mar 2006) $ $Id: AbstractLifecycleInterceptor.java 913 2006-03-19 17:17:47 +0100 (Sun, 19 Mar 2006) tmjee $

Author:

Jason Carreira

See Also:

Serialized Form

Constructor Summary

AbstractLifecycleInterceptor()

Method Summary

protected void	after(ActionInvocation invocation, String result) Called after the Action and Result have been executed.
protected void	before(ActionInvocation invocation) Called before the rest of the ActionInvocation is forwarded to.
void	beforeResult(ActionInvocation invocation, String resultCode) This callback method will be called after the Action execution and before the Result execution.
void	destroy() Called to let an interceptor clean up any resources it has allocated.
protected void	handleException(Exception e) Called if an Exception is caught while executing the before(), the rest of the ActionInvocation, including the Action and Result execution, or the after() call.
void	init() Called after an Interceptor is created, but before any requests are processed using the intercept() methodName.
String	intercept(ActionInvocation invocation) Allows the Interceptor to do some processing on the request before and/or after the rest of the processing of the request by the DefaultActionInvocation or to short-circuit the processing and just return a String return code.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractLifecycleInterceptor

public AbstractLifecycleInterceptor()

Method Detail

beforeResult

public void beforeResult(ActionInvocation invocation,
                         String resultCode)

This callback method will be called after the Action execution and before the Result execution.

Specified by:

beforeResult in interface PreResultListener

Parameters:

invocation -

resultCode -

destroy

public void destroy()

Called to let an interceptor clean up any resources it has allocated.

Specified by:

destroy in interface Interceptor

init

public void init()

Called after an Interceptor is created, but before any requests are processed using the intercept() methodName. This gives the Interceptor a chance to initialize any needed resources.

Specified by:

init in interface Interceptor

intercept

public String intercept(ActionInvocation invocation)
                 throws Exception

Allows the Interceptor to do some processing on the request before and/or after the rest of the processing of the request by the DefaultActionInvocation or to short-circuit the processing and just return a String return code.

Specified by:

intercept in interface Interceptor

Parameters:

invocation -

Returns:

result

Throws:

Exception

after

protected void after(ActionInvocation invocation,
                     String result)
              throws Exception

Called after the Action and Result have been executed.

Parameters:

invocation -

result -

Throws:

Exception

before

protected void before(ActionInvocation invocation)
               throws Exception

Called before the rest of the ActionInvocation is forwarded to.

Parameters:

invocation -

Throws:

Exception

handleException

protected void handleException(Exception e)
                        throws Exception

Called if an Exception is caught while executing the before(), the rest of the ActionInvocation, including the Action and Result execution, or the after() call. The default implementation just rethrows the Exception. Subclasses can choose to either throw an Exception or do some processing.

Parameters:

e - the Exception caught

Throws:

Exception