org.apache.commons.el
Class NamedValue

java.lang.Object
  org.apache.commons.el.Expression
      org.apache.commons.el.NamedValue

public class NamedValue
extends Expression

Represents a name that can be used as the first element of a value.

Version:

$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $

Author:

Nathan Abramson - Art Technology Group, Shawn Bayern

Constructor Summary

NamedValue(String pName)
Constructor

Method Summary

Expression	bindFunctions(javax.servlet.jsp.el.FunctionMapper functions) Returns an expression with all FunctionInvocations replaced by BoundFunctionInvocations.
Object	evaluate(javax.servlet.jsp.el.VariableResolver pResolver, javax.servlet.jsp.el.FunctionMapper functions) Evaluates by looking up the name in the VariableResolver
String	getExpressionString() Returns the expression in the expression language syntax
String	getName()

Methods inherited from class java.lang.Object

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

Constructor Detail

NamedValue

public NamedValue(String pName)

Constructor

Method Detail

getName

public String getName()

getExpressionString

public String getExpressionString()

Returns the expression in the expression language syntax

Specified by:

getExpressionString in class Expression

evaluate

public Object evaluate(javax.servlet.jsp.el.VariableResolver pResolver,
                       javax.servlet.jsp.el.FunctionMapper functions)
                throws javax.servlet.jsp.el.ELException

Evaluates by looking up the name in the VariableResolver

Specified by:

evaluate in class Expression

Throws:

javax.servlet.jsp.el.ELException

bindFunctions

public Expression bindFunctions(javax.servlet.jsp.el.FunctionMapper functions)
                         throws javax.servlet.jsp.el.ELException

Description copied from class: Expression

Returns an expression with all FunctionInvocations replaced by BoundFunctionInvocations.

Specified by:

bindFunctions in class Expression

Parameters:

functions - the functions to use in this transformation

Returns:

an Expression identical to this expression except with all FunctionInvocations replaced by BoundFunctionInvocations.

Throws:

javax.servlet.jsp.el.ELException - if any of the functions in this Expression are not present in functions