Package org.apache.commons.lang3.event
Class EventListenerSupport.ProxyInvocationHandler
java.lang.Object
org.apache.commons.lang3.event.EventListenerSupport.ProxyInvocationHandler
- All Implemented Interfaces:
InvocationHandler
- Enclosing class:
- EventListenerSupport<L>
protected class EventListenerSupport.ProxyInvocationHandler
extends Object
implements InvocationHandler
An invocation handler used to dispatch the event(s) to all the listeners.
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Constructor Summary
ConstructorsConstructorDescriptionConstructs a new instance.Constructs a new instance. -
Method Summary
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Constructor Details
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ProxyInvocationHandler
public ProxyInvocationHandler()Constructs a new instance. -
ProxyInvocationHandler
Constructs a new instance.- Parameters:
handler
- Handles Throwables.- Since:
- 3.15.0
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Method Details
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handle
protected void handle(Throwable t) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException Handles an exception thrown by a listener. By default rethrows the given Throwable.- Parameters:
t
- The Throwable- Throws:
IllegalAccessException
- thrown by the listener.IllegalArgumentException
- thrown by the listener.InvocationTargetException
- thrown by the listener.- Since:
- 3.15.0
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invoke
public Object invoke(Object unusedProxy, Method method, Object[] args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException Propagates the method call to all registered listeners in place of the proxy listener object.- Specified by:
invoke
in interfaceInvocationHandler
- Parameters:
unusedProxy
- the proxy object representing a listener on which the invocation was called; not usedmethod
- the listener method that will be called on all of the listeners.args
- event arguments to propagate to the listeners.- Returns:
- the result of the method call
- Throws:
InvocationTargetException
- if an error occursIllegalArgumentException
- if an error occursIllegalAccessException
- if an error occurs
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