javax.el

Class VariableMapper

Contents

  • public abstract class VariableMapper
extends Object
    The interface to a map between EL variables and the EL expressions they are associated with.
    Since:
    JSP 2.1

    • Constructor Detail

      • VariableMapper

        public VariableMapper()

    • Method Detail

      • resolveVariable

        public abstract ValueExpression resolveVariable(String variable)
        Parameters:
        variable - The variable name
        Returns:
        the ValueExpression assigned to the variable, null if there is no previous assignment to this variable.

      • setVariable

        public abstract ValueExpression setVariable(String variable,
                                            ValueExpression expression)
        Assign a ValueExpression to an EL variable, replacing any previously assignment to the same variable. The assignment for the variable is removed if the expression is null.
        Parameters:
        variable - The variable name
        expression - The ValueExpression to be assigned to the variable.
        Returns:
        The previous ValueExpression assigned to this variable, null if there is no previous assignment to this variable.

Document created the 11/06/2005, last modified the 18/08/2025
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References

  1. View the html document Language of the document:fr Manuel PHP : https://docs.oracle.com/en/java/, Class VariableMapper

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