org.apache.taglibs.rdc.core
Class ExpandTag

java.lang.Object
  javax.servlet.jsp.tagext.SimpleTagSupport
      org.apache.taglibs.rdc.core.ExpandTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.SimpleTag

public class ExpandTag
extends javax.servlet.jsp.tagext.SimpleTagSupport

Implements the tag <rdc:expand>Hello from #{model.name}</rdc:expand>. This tag can be used to evaluate text containing expressions that use the custom syntax "#{...}". It is useful in authoring prompt templates that refer to run-time values.

Version:

1.0

Author:

T. V. Raman, Rahul Akolkar

Constructor Summary

ExpandTag()

Method Summary

void	doTag() Captures the result of invoking body, Replaces occurrences of #{ with ${, and then evaluates the result using el.

Methods inherited from class javax.servlet.jsp.tagext.SimpleTagSupport

findAncestorWithClass, getJspBody, getJspContext, getParent, setJspBody, setJspContext, setParent

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpandTag

public ExpandTag()

Method Detail

doTag

public void doTag()
           throws java.io.IOException,
                  javax.servlet.jsp.JspException,
                  javax.servlet.jsp.JspTagException

Captures the result of invoking body, Replaces occurrences of #{ with ${, and then evaluates the result using el. The result of el evaluation is written to the JSP output stream. in case of an el evaluation error, we produce appropriate error messages into the JSP output stream.

Specified by:

doTag in interface javax.servlet.jsp.tagext.SimpleTag

Overrides:

doTag in class javax.servlet.jsp.tagext.SimpleTagSupport

Throws:

java.io.IOException

javax.servlet.jsp.JspException

javax.servlet.jsp.JspTagException