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java.lang.Objectorg.apache.commons.el.Expression
public abstract class Expression
The abstract class from which all expression types derive.
Constructor Summary | |
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Expression()
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Method Summary | |
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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 |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Expression()
Method Detail |
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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 transformation
FunctionInvocation
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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