toolbox.services
Class AbstractInterceptor

java.lang.Object
  toolbox.services.AbstractInterceptor

All Implemented Interfaces:

java.lang.reflect.InvocationHandler, Interceptor

Direct Known Subclasses:

JAMonInterceptor, LoggingInterceptor

public abstract class AbstractInterceptor
extends java.lang.Object
implements Interceptor

Abstract implementation of the Interceptor interface. Provides some default implementations and convenience methods for implementing interceptor.

Constructor Summary

protected

AbstractInterceptor() Protected constructor.

Method Summary

protected java.lang.Object	getObject() Convenience method to return the actual Object instance.
protected java.lang.Object	getTarget() Convenience method to return the invocation target Object instance.
protected java.lang.Object	invokeMethod(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args) Helper method to perform the method invocation.
void	setObject(java.lang.Object obj) Set the Object instance that is the actual Object instance.
void	setTarget(java.lang.Object target) Set the invocation target object instance.

Methods inherited from class java.lang.Object

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

Methods inherited from interface toolbox.services.Interceptor

init

Methods inherited from interface java.lang.reflect.InvocationHandler

invoke

Constructor Detail

AbstractInterceptor

protected AbstractInterceptor()

Protected constructor.

Method Detail

setTarget

public void setTarget(java.lang.Object target)

Set the invocation target object instance.

Specified by:

setTarget in interface Interceptor

Parameters:

target - Object instance that is the invocation target.

setObject

public void setObject(java.lang.Object obj)

Set the Object instance that is the actual Object instance.

Specified by:

setObject in interface Interceptor

Parameters:

obj - Object instance that is the actual object instance.

getTarget

protected java.lang.Object getTarget()

Convenience method to return the invocation target Object instance.

Returns:

Object instance that is the invocation target.

getObject

protected java.lang.Object getObject()

Convenience method to return the actual Object instance.

Returns:

Object instance that is the actual object instance.

invokeMethod

protected java.lang.Object invokeMethod(java.lang.Object proxy,
                                        java.lang.reflect.Method method,
                                        java.lang.Object[] args)
                                 throws java.lang.Throwable

Helper method to perform the method invocation.

Parameters:

proxy - Proxy instance method was invoked on.

method - Method instance, of an interface method, that was invoked on the proxy.

args - Method arguments.

Returns:

Object instance containing the result of the invocation.

Throws:

java.lang.Throwable - that occured during the method invocation.