Class Expression
- java.lang.Object
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- org.apache.taglibs.standard.lang.jstl.Expression
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- Direct Known Subclasses:
BinaryOperatorExpression
,ComplexValue
,FunctionInvocation
,Literal
,NamedValue
,UnaryOperatorExpression
public abstract class Expression extends Object
The abstract class from which all expression types derive.
- Version:
- $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: kchung $
- Author:
- Nathan Abramson - Art Technology Group, Shawn Bayern
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Constructor Summary
Constructors Constructor Description Expression()
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description abstract Object
evaluate(Object pContext, VariableResolver pResolver, Map functions, String defaultPrefix, Logger pLogger)
Evaluates the expression in the given contextabstract String
getExpressionString()
Returns the expression in the expression language syntax
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Method Detail
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getExpressionString
public abstract String getExpressionString()
Returns the expression in the expression language syntax
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evaluate
public abstract Object evaluate(Object pContext, VariableResolver pResolver, Map functions, String defaultPrefix, Logger pLogger) throws ELException
Evaluates the expression in the given context- Throws:
ELException
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