org.apache.commons.el
Class Literal

java.lang.Object
  extended by org.apache.commons.el.Expression
      extended by 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
Literal(Object pValue)
          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 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


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