jfun.yan.xml.nuts.optional
Class InstanceOfNut

java.lang.Object
  jfun.yan.xml.nut.Nut
      jfun.yan.xml.nut.ComponentNut
          jfun.yan.xml.nuts.DelegatingNut
              jfun.yan.xml.nuts.optional.InstanceOfNut

All Implemented Interfaces:

java.io.Serializable

public class InstanceOfNut
extends DelegatingNut

A nut class to determine if the instance instantiated by a Component is of a certain type.

Author:

Ben Yu Nov 23, 2005 11:29:33 PM

See Also:

Serialized Form

Constructor Summary

InstanceOfNut()

Method Summary

Component	eval()
void	setClass(java.lang.Class of)

Methods inherited from class jfun.yan.xml.nuts.DelegatingNut

add, delegateTo, getComponent, getMandatory, setComponent

Methods inherited from class jfun.yan.xml.nut.Nut

cast, checkDuplicate, checkMandatory, checkMandatory, convert, getComponentClassLoader, getId, getNutClassLoader, getNutEnvironment, getParameterWiring, getPropertyWiring, getSequenceNumber, getTagLocation, getTagName, initGloballyDefined, initNutEnvironment, initSequenceNumber, initTagLocation, initTagName, isGloballyDefined, raise, raise, register, registerEagerInstantiation, setId, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

InstanceOfNut

public InstanceOfNut()

Method Detail

setClass

public void setClass(java.lang.Class of)

eval

public Component eval()
               throws java.lang.Exception

Specified by:

eval in class ComponentNut

Throws:

java.lang.Exception