com.sun.facelets.tag
Class TagHandler

java.lang.Object
  com.sun.facelets.tag.TagHandler

All Implemented Interfaces:

FaceletHandler

Direct Known Subclasses:

ActionListenerHandler, AttributeHandler, CatchHandler, ChooseHandler, ChooseOtherwiseHandler, ChooseWhenHandler, CompositionHandler, DecorateHandler, DefineHandler, FacetHandler, ForEachHandler, IfHandler, IncludeHandler, InsertHandler, LoadBundleHandler, MetaTagHandler, ParamHandler, PhaseListenerHandler, SetHandler, SetPropertyActionListenerHandler, ValueChangeListenerHandler, ViewHandler

public abstract class TagHandler
extends Object
implements FaceletHandler

Foundation class for FaceletHandlers associated with markup in a Facelet document.

Version:

$Id: TagHandler.java,v 1.6 2008/07/13 19:01:35 rlubke Exp $

Author:

Jacob Hookom

Field Summary

protected FaceletHandler	nextHandler
protected Tag	tag
protected String	tagId

Constructor Summary

TagHandler(TagConfig config)

Method Summary

protected Iterator	findNextByType(Class type) Searches child handlers, starting at the 'nextHandler' for all instances of the passed type.
protected TagAttribute	getAttribute(String localName) Utility method for fetching the appropriate TagAttribute
protected TagAttribute	getRequiredAttribute(String localName) Utility method for fetching a required TagAttribute
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.sun.facelets.FaceletHandler

apply

Field Detail

tagId

protected final String tagId

tag

protected final Tag tag

nextHandler

protected final FaceletHandler nextHandler

Constructor Detail

TagHandler

public TagHandler(TagConfig config)

Method Detail

getAttribute

protected final TagAttribute getAttribute(String localName)

Utility method for fetching the appropriate TagAttribute

Parameters:

localName - name of attribute

Returns:

TagAttribute if found, otherwise null

getRequiredAttribute

protected final TagAttribute getRequiredAttribute(String localName)
                                           throws TagException

Utility method for fetching a required TagAttribute

Parameters:

localName - name of the attribute

Returns:

TagAttribute if found, otherwise error

Throws:

TagException - if the attribute was not found

findNextByType

protected final Iterator findNextByType(Class type)

Searches child handlers, starting at the 'nextHandler' for all instances of the passed type. This process will stop searching a branch if an instance is found.

Parameters:

type - Class type to search for

Returns:

iterator over instances of FaceletHandlers of the matching type

toString

public String toString()

Overrides:

toString in class Object