er.extensions
Class ERXInstanceOfConditional

java.lang.Object
  com.webobjects.appserver.WOElement
      com.webobjects.appserver.WOComponent
          er.extensions.ERXInstanceOfConditional

All Implemented Interfaces:

Cloneable, NSKeyValueCoding, NSKeyValueCoding.ErrorHandling, NSKeyValueCodingAdditions, NSValidation, Serializable, WOActionResults

public class ERXInstanceOfConditional

extends WOComponent

Conditional component that tests if an object is an instance of a given class or interface
Synopsis:
object=anObject;className=aClassName2;[negate=aBoolean;]

See Also:

Serialized Form

Bindings

object	object to test
className	class or interface name
negate	Inverts the sense of the conditional.

Nested Class Summary

Nested classes inherited from class com.webobjects.appserver.WOComponent

WOComponent._EventLoggingEnabler, WOComponent.Event

Nested classes inherited from class com.webobjects.foundation.NSKeyValueCoding

NSKeyValueCoding._BooleanFieldBinding, NSKeyValueCoding._BooleanMethodBinding, NSKeyValueCoding._FieldBinding, NSKeyValueCoding._ForwardingBinding, NSKeyValueCoding._KeyBinding, NSKeyValueCoding._KeyBindingCreation, NSKeyValueCoding._MethodBinding, NSKeyValueCoding._NumberFieldBinding, NSKeyValueCoding._NumberMethodBinding, NSKeyValueCoding._ReflectionKeyBindingCreation, NSKeyValueCoding.DefaultImplementation, NSKeyValueCoding.ErrorHandling, NSKeyValueCoding.Null, NSKeyValueCoding.UnknownKeyException, NSKeyValueCoding.Utility, NSKeyValueCoding.ValueAccessor

Nested classes inherited from class com.webobjects.foundation.NSKeyValueCodingAdditions

NSKeyValueCodingAdditions.DefaultImplementation, NSKeyValueCodingAdditions.Utility

Nested classes inherited from class com.webobjects.foundation.NSValidation

NSValidation._MethodBinding, NSValidation._ValidationBinding, NSValidation.DefaultImplementation, NSValidation.Utility, NSValidation.ValidationException

Field Summary

static ERXLogger

log logging support

Fields inherited from class com.webobjects.appserver.WOComponent

_Extension, _IsEventLoggingEnabled, _keyAssociations

Fields inherited from interface com.webobjects.foundation.NSKeyValueCoding

_CLASS, NullValue

Fields inherited from interface com.webobjects.foundation.NSKeyValueCoding.ErrorHandling

_CLASS

Fields inherited from interface com.webobjects.foundation.NSKeyValueCodingAdditions

_CLASS, _KeyPathSeparatorChar, KeyPathSeparator

Fields inherited from interface com.webobjects.foundation.NSValidation

_CLASS

Constructor Summary

ERXInstanceOfConditional(WOContext aContext)
Public constructor

Method Summary

boolean	instanceOf() Tests if the bound object is an instance of the class.
boolean	isStateless() component is stateless
void	reset() resets cached ivars

Methods inherited from class com.webobjects.appserver.WOComponent

_associationWithName, _awakeInContext, _childTemplate, _componentDefinition, _componentUnroll, _isPage, _setContext, _setIsPage, _setParent, _setSubcomponent, _sleepInContext, _subcomponentForElementWithID, _templateNameForClass, _unroll, appendToResponse, application, awake, baseURL, bindingKeys, canAccessFieldsDirectly, canGetValueForBinding, canSetValueForBinding, clone, context, debugString, descriptionForResponse, ensureAwakeInContext, frameworkName, generateResponse, handleQueryWithUnboundKey, handleTakeValueForUnboundKey, hasBinding, hasSession, invokeAction, isCachingEnabled, isEventLoggingEnabled, logString, name, pageWithName, parent, path, pathURL, performParentAction, pullValuesFromParent, pushValuesToParent, session, set_componentUnroll, set_unroll, setCachingEnabled, setValueForBinding, sleep, synchronizesVariablesWithBindings, takeValueForKey, takeValueForKeyPath, takeValuesFromRequest, template, templateWithHTMLString, templateWithName, toString, unableToSetNullForKey, validateTakeValueForKeyPath, validateValueForKey, validationFailedWithException, valueForBinding, valueForKey, valueForKeyPath

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final ERXLogger log

logging support

Constructor Detail

ERXInstanceOfConditional

public ERXInstanceOfConditional(WOContext aContext)

Public constructor

Method Detail

isStateless

public boolean isStateless()

component is stateless

reset

public void reset()

resets cached ivars

instanceOf

public boolean instanceOf()

Tests if the bound object is an instance of the class. Note: If the class is not found a ClassNotFoundException will be thrown via an NSForwardException.

Returns:

the boolean result of the isInstance test.