org.codehaus.plexus.interpolation.fixed

Class MapBasedValueSource

java.lang.Object

org.codehaus.plexus.interpolation.fixed.MapBasedValueSource

All Implemented Interfaces:

FixedValueSource

public class MapBasedValueSource
extends java.lang.Object
implements FixedValueSource

Wraps a Map, and looks up the whole expression as a single key, returning the value mapped to it.

Version:

$Id$

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map	values

Constructor Summary

Constructors

Constructor and Description
MapBasedValueSource(java.util.Map values) Construct a new value source to wrap the supplied map.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getValue(java.lang.String expression, InterpolationState interpolationState) Lookup the supplied expression as a key in the wrapped Map, and return its value.

Methods inherited from class java.lang.Object

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

Field Detail

values

private final java.util.Map values

Constructor Detail

MapBasedValueSource

public MapBasedValueSource(java.util.Map values)

Construct a new value source to wrap the supplied map.

Method Detail

getValue

public java.lang.Object getValue(java.lang.String expression,
                                 InterpolationState interpolationState)

Lookup the supplied expression as a key in the wrapped Map, and return its value.

Specified by:

getValue in interface FixedValueSource

Returns:

the value related to the expression, or null if not found (not available from this source)