com.opensymphony.xwork.interceptor
Class AroundInterceptor

java.lang.Object
  extended bycom.opensymphony.xwork.interceptor.AroundInterceptor
All Implemented Interfaces:
Interceptor, Serializable
Direct Known Subclasses:
ActionAutowiringInterceptor, AliasInterceptor, ChainingInterceptor, ComponentInterceptor, ConversionErrorInterceptor, ExternalReferencesInterceptor, LoggingInterceptor, ModelDrivenInterceptor, ParametersInterceptor, PrepareInterceptor, StaticParametersInterceptor

public abstract class AroundInterceptor
extends Object
implements Interceptor

An abstract interceptor that provides simple access to before/after callouts.

Author:
Jason Carreira
See Also:
Serialized Form

Field Summary
protected  org.apache.commons.logging.Log log
           
 
Constructor Summary
AroundInterceptor()
           
 
Method Summary
protected abstract  void after(ActionInvocation dispatcher, String result)
          Called after the invocation has been executed.
protected abstract  void before(ActionInvocation invocation)
          Called before the invocation has been executed.
 void destroy()
          Called to let an interceptor clean up any resources it has allocated.
 void init()
          Called after an interceptor is created, but before any requests are processed using intercept , giving the Interceptor a chance to initialize any needed resources.
 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 ActionInvocation 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
 

Field Detail

log

protected transient org.apache.commons.logging.Log log
Constructor Detail

AroundInterceptor

public AroundInterceptor()
Method Detail

destroy

public void destroy()
Description copied from interface: Interceptor
Called to let an interceptor clean up any resources it has allocated.

Specified by:
destroy in interface Interceptor

init

public void init()
Description copied from interface: Interceptor
Called after an interceptor is created, but before any requests are processed using intercept , giving the Interceptor a chance to initialize any needed resources.

Specified by:
init in interface Interceptor

intercept

public String intercept(ActionInvocation invocation)
                 throws Exception
Description copied from interface: Interceptor
Allows the Interceptor to do some processing on the request before and/or after the rest of the processing of the request by the ActionInvocation or to short-circuit the processing and just return a String return code.

Specified by:
intercept in interface Interceptor
Returns:
the return code, either returned from ActionInvocation.invoke(), or from the interceptor itself.
Throws:
Exception - any system-level error, as defined in Action.execute().

after

protected abstract void after(ActionInvocation dispatcher,
                              String result)
                       throws Exception
Called after the invocation has been executed.

Parameters:
result - the result value returned by the invocation
Throws:
Exception

before

protected abstract void before(ActionInvocation invocation)
                        throws Exception
Called before the invocation has been executed.

Throws:
Exception

XWork Project Page