Package org.apache.commons.configuration2.interpol

A package with helper classes used for interpolation (variable substitution).

Interface Summary

Interface	Description
Lookup	Definition of an interface for looking up variables during interpolation.

Class Summary

Class	Description
ConfigurationInterpolator	A class that handles interpolation (variable substitution) for configuration objects.
ConstantLookup	Looks up constant fields in classes.
EnvironmentLookup	Deprecated. Use DefaultLookups.ENVIRONMENT.
ExprLookup	Lookup that allows expressions to be evaluated.
ExprLookup.Variable	The key and corresponding object that will be made available to the JexlContext for use in expressions.
ExprLookup.Variables	List wrapper used to allow the Variables list to be created as beans in DefaultConfigurationBuilder.
InterpolatorSpecification	A simple value class defining a ConfigurationInterpolator.
InterpolatorSpecification.Builder	A builder class for creating instances of InterpolatorSpecification.
SystemPropertiesLookup	Deprecated. Use DefaultLookups.SYSTEM_PROPERTIES.

Enum Summary

Enum	Description
DefaultLookups	An enumeration class defining constants for built-in Lookup objects available for Configuration instances.
DummyLookup	A simple dummy Lookup implementation.