org.apache.commons.el

Class Literal

java.lang.Object

org.apache.commons.el.Expression

org.apache.commons.el.Literal

Direct Known Subclasses:

BooleanLiteral, FloatingPointLiteral, IntegerLiteral, NullLiteral, StringLiteral

public abstract class Literal
extends Expression

An expression representing a literal value

Version:

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

Author:

Nathan Abramson - Art Technology Group, Shawn Bayern

Constructor Summary

Constructors

Constructor and Description
Literal(Object pValue) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
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 to the literal value
Object	getValue()
void	setValue(Object pValue)

Methods inherited from class org.apache.commons.el.Expression

getExpressionString

Methods inherited from class java.lang.Object

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

Constructor Detail

Literal

public Literal(Object pValue)

Constructor

Method Detail

getValue

public Object getValue()

setValue

public void setValue(Object pValue)

evaluate

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

Evaluates to the literal value

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