com.werken.xpath
Class DefaultVariableContext

java.lang.Object
  com.werken.xpath.DefaultVariableContext

All Implemented Interfaces:

VariableContext

public class DefaultVariableContext
extends java.lang.Object
implements VariableContext

A VariableContext implementation based upon a java.util.HashMap for simple name-value mappings.

Author:

bob mcwhirter (bob @ werken.com)

Constructor Summary

DefaultVariableContext()

Method Summary

java.lang.Object	getVariableValue(java.lang.String name) Resolve a variable binding
void	setVariableValue(java.lang.String name, java.lang.Object value) Set a variable finding

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultVariableContext

public DefaultVariableContext()

Method Detail

getVariableValue

public java.lang.Object getVariableValue(java.lang.String name)

Resolve a variable binding

Retrieve the currently bound value of the named variable, or null if no such binding exists.

Specified by:

getVariableValue in interface VariableContext

Parameters:

name - The name of the variable sought.

Returns:

The currently bound value of the variable, or null.

See Also:

ContextSupport.getVariableValue(java.lang.String), ContextSupport.setVariableContext(com.werken.xpath.VariableContext)

setVariableValue

public void setVariableValue(java.lang.String name,
                             java.lang.Object value)

Set a variable finding

Set the value of a named variable.

Parameters:

name - The name of the variable to bind to the value

value - The value to bind to the variable name.