org.apache.commons.jelly

Class TagLibrary

java.lang.Object

org.apache.commons.jelly.TagLibrary

Direct Known Subclasses:

CoreTagLibrary, DefineTagLibrary, DynabeanTagLibrary, DynamicTagLibrary, FmtTagLibrary, JUnitTagLibrary, LogTagLibrary, XMLTagLibrary

public abstract class TagLibrary
extends Object

Taglib represents the metadata for a Jelly custom tag library.

Version:

$Revision: 155420 $

Author:

James Strachan

Constructor Summary

Constructors

Constructor and Description
TagLibrary()

Method Summary

Methods

Modifier and Type	Method and Description
Expression	createExpression(ExpressionFactory factory, TagScript tagScript, String attributeName, String attributeValue) Allows taglibs to use their own expression evaluation mechanism
Tag	createTag(String name, Attributes attributes) Creates a new Tag for the given tag name and attributes
TagScript	createTagScript(String name, Attributes attributes) Creates a new script to execute the given tag name and attributes
protected ExpressionFactory	getExpressionFactory() Allows derived tag libraries to use their own factory
protected Map	getTagClasses()
protected void	registerTag(String name, Class type) Registers a tag implementation Class for a given tag name
protected void	registerTagFactory(String name, TagFactory tagFactory) Registers a tag factory for a given tag name

Methods inherited from class java.lang.Object

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

Constructor Detail

TagLibrary

public TagLibrary()

Method Detail

createTagScript

public TagScript createTagScript(String name,
                        Attributes attributes)
                          throws JellyException

Creates a new script to execute the given tag name and attributes

Throws:

JellyException

createTag

public Tag createTag(String name,
            Attributes attributes)
              throws JellyException

Creates a new Tag for the given tag name and attributes

Throws:

JellyException

createExpression

public Expression createExpression(ExpressionFactory factory,
                          TagScript tagScript,
                          String attributeName,
                          String attributeValue)
                            throws JellyException

Allows taglibs to use their own expression evaluation mechanism

Throws:

JellyException

registerTag

protected void registerTag(String name,
               Class type)

Registers a tag implementation Class for a given tag name

registerTagFactory

protected void registerTagFactory(String name,
                      TagFactory tagFactory)

Registers a tag factory for a given tag name

getExpressionFactory

protected ExpressionFactory getExpressionFactory()

Allows derived tag libraries to use their own factory

getTagClasses

protected Map getTagClasses()