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Tip

	Help Wanted
	Help Wanted

If someone were interested, it would be helpful for a developer (like you!) to define a set of functions that we could include in a future release of the framework.

Code Block

	xml	xml
title	wwel.tld
	xml

<?xml version="1.0"?>
<taglib xmlns="http://java.sun.com/xml/ns/j2ee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"
	version="2.0">

<description>
This taglib enables access to the ValueStack
from JSP 2.0 Expression Language
</description>

<tlib-version>1.0</tlib-version>

<short-name>wwel</short-name>

<function>
	<name>vs</name>
	<function-class>com.nmote.wwel.Functions</function-class>
	<function-signature>
		java.lang.Object findOnValueStack(java.lang.String)
	</function-signature>
</function>

<function>
	<name>name</name>
	<function-class>com.nmote.wwel.Functions</function-class>
	<function-signature>
		java.lang.Object getActionName()
	</function-signature>
</function>

<function>
	<name>top</name>
	<function-class>com.nmote.wwel.Functions</function-class>
	<function-signature>
		java.lang.Object getTopOfValueStack()
	</function-signature>
</function>

</taglib>

java

Code Block

	java
title	Functions.java
	java

package com.nmote.wwel;

import com.opensymphony.xwork.ActionContext;

/**
 * Utility functions for accessing value stack and action context
 * from JSP 2.0 EL taglibs.
 */
public class Functions {

	public static Object findOnValueStack(String expr) {
		ActionContext a = ActionContext.getContext();
		Object value = a.getValueStack().findValue(expr);
		return value;
	}

	public static Object getTopOfValueStack() {
		ActionContext a = ActionContext.getContext();
		Object value = a.getValueStack().peek();
		return value;
	}

	public static Object getActionName() {
		ActionContext a = ActionContext.getContext();
		Object value = a.getName();
		return value;
	}
}

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Old Version 8

New Version 9

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