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javax.servlet.jsp.el
インタフェース VariableResolver


public interface VariableResolver

This class is used to customize the way an ExpressionEvaluator resolves variable references at evaluation time. For example, instances of this class can implement their own variable lookup mechanisms, or introduce the notion of "implicit variables" which override any other variables. An instance of this class should be passed when evaluating an expression.

An instance of this class includes the context against which resolution will happen

導入されたバージョン:
2.0

メソッドの概要
 java.lang.Object resolveVariable(java.lang.String pName)
          Resolves the specified variable.
 

メソッドの詳細

resolveVariable

java.lang.Object resolveVariable(java.lang.String pName)
                                 throws ELException
Resolves the specified variable. Returns null if the variable is not found.

パラメータ:
pName - the name of the variable to resolve
戻り値:
the result of the variable resolution
例外:
ELException - if a failure occurred while trying to resolve the given variable

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