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Added in API level 8


public interface XPathVariableResolver


XPathVariableResolver provides access to the set of user defined XPath variables.

The XPathVariableResolver and the XPath evaluator must adhere to a contract that cannot be directly enforced by the API. Although variables may be mutable, that is, an application may wish to evaluate the same XPath expression more than once with different variable values, in the course of evaluating any single XPath expression, a variable's value must be immutable.


Public methods

abstract Object resolveVariable(QName variableName)

Find a variable in the set of available variables.

Public methods


Added in API level 8
Object resolveVariable (QName variableName)

Find a variable in the set of available variables.

If variableName is null, then a NullPointerException is thrown.

variableName QName: The QName of the variable name.
Object The variables value, or null if no variable named variableName exists. The value returned must be of a type appropriate for the underlying object model.
NullPointerException If variableName is null.
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