org.apache.commons.jelly.impl
Class DynamicTagLibrary

java.lang.Object
  org.apache.commons.jelly.TagLibrary
      org.apache.commons.jelly.impl.DynamicTagLibrary

public class DynamicTagLibrary
extends TagLibrary

DynamicTagLibrary represents a TagLibrary which gets created by running a Jelly script.

Version:

$Revision: 1807798 $

Author:

James Strachan

Field Summary

private TagLibrary	parent
private java.util.Map	templates
private java.lang.String	uri

Constructor Summary

DynamicTagLibrary()

DynamicTagLibrary(java.lang.String uri)

Method Summary

Tag	createTag(java.lang.String name, org.xml.sax.Attributes attributes) Creates a new Tag for the given tag name if it exists
TagScript	createTagScript(java.lang.String name, org.xml.sax.Attributes attributes) Creates a new script to execute the given tag name and attributes
DynamicTagLibrary	find(java.lang.String name) Returns the tag library instance which contains the named tag.
Script	getDynamicTag(java.lang.String name) Returns the script associated with the given tag name
TagLibrary	getParent() Returns the parent library which will be used to resolve unknown tags.
java.lang.String	getUri()
void	registerBeanTag(java.lang.String name, TagFactory factory) Creates a new Jelly Bean Tag with the given name
void	registerDynamicTag(java.lang.String name, Script template) Creates a new tag with the given name and template
void	setParent(TagLibrary parent) Sets the parent to inherit tags from that are not defined in this library.
void	setUri(java.lang.String uri)

Methods inherited from class org.apache.commons.jelly.TagLibrary

createExpression, getExpressionFactory, getTagClasses, registerTag, registerTagFactory

Methods inherited from class java.lang.Object

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

Field Detail

uri

private java.lang.String uri

templates

private java.util.Map templates

parent

private TagLibrary parent

Constructor Detail

DynamicTagLibrary

public DynamicTagLibrary()

DynamicTagLibrary

public DynamicTagLibrary(java.lang.String uri)

Method Detail

createTagScript

public TagScript createTagScript(java.lang.String name,
                                 org.xml.sax.Attributes attributes)
                          throws JellyException

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

Overrides:

createTagScript in class TagLibrary

Throws:

JellyException

createTag

public Tag createTag(java.lang.String name,
                     org.xml.sax.Attributes attributes)
              throws JellyException

Creates a new Tag for the given tag name if it exists

Overrides:

createTag in class TagLibrary

Throws:

JellyException

registerDynamicTag

public void registerDynamicTag(java.lang.String name,
                               Script template)

Creates a new tag with the given name and template

registerBeanTag

public void registerBeanTag(java.lang.String name,
                            TagFactory factory)

Creates a new Jelly Bean Tag with the given name

getDynamicTag

public Script getDynamicTag(java.lang.String name)

Returns the script associated with the given tag name

Parameters:

name - The tag name

Returns:

The script associated with name, or null if the tag doesn't exist or isn't a script

find

public DynamicTagLibrary find(java.lang.String name)

Returns the tag library instance which contains the named tag.

If the tag is not registered within this library, the set of parent libraries will be searched.

Parameters:

name - The tag name

Returns:

The tag library containing the named tag, or null if the tag is not registered.

getUri

public java.lang.String getUri()

setUri

public void setUri(java.lang.String uri)

getParent

public TagLibrary getParent()

Returns the parent library which will be used to resolve unknown tags.

Returns:

TagLibrary

setParent

public void setParent(TagLibrary parent)

Sets the parent to inherit tags from that are not defined in this library.

Parameters:

parent - The parent to set