public abstract class Expression extends Object
The abstract class from which all expression types derive.
Constructor and Description |
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Expression() |
Modifier and Type | Method and Description |
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abstract Expression |
bindFunctions(javax.servlet.jsp.el.FunctionMapper functions)
Returns an expression with all
FunctionInvocation s replaced by
BoundFunctionInvocation s. |
abstract Object |
evaluate(javax.servlet.jsp.el.VariableResolver pResolver,
javax.servlet.jsp.el.FunctionMapper functions)
Evaluates the expression in the given context
|
abstract String |
getExpressionString()
Returns the expression in the expression language syntax
|
public abstract String getExpressionString()
public abstract Object evaluate(javax.servlet.jsp.el.VariableResolver pResolver, javax.servlet.jsp.el.FunctionMapper functions) throws javax.servlet.jsp.el.ELException
javax.servlet.jsp.el.ELException
public abstract Expression bindFunctions(javax.servlet.jsp.el.FunctionMapper functions) throws javax.servlet.jsp.el.ELException
FunctionInvocation
s replaced by
BoundFunctionInvocation
s.functions
- the functions to use in this transformationFunctionInvocation
s replaced by
BoundFunctionInvocation
s.javax.servlet.jsp.el.ELException
- if any of the functions in this Expression
are
not present in functions
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