com.puppycrawl.tools.checkstyle
Class PropertiesExpander

java.lang.Object
  com.puppycrawl.tools.checkstyle.PropertiesExpander

All Implemented Interfaces:

PropertyResolver

public final class PropertiesExpander
extends java.lang.Object
implements PropertyResolver

Resolves external properties from an underlying Properties object.

Author:

lkuehne

Constructor Summary

PropertiesExpander(java.util.Properties aProperties)
Creates a new PropertiesExpander.

Method Summary

java.lang.String

resolve(java.lang.String aPropertyName) Resolves a property name to it's value.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertiesExpander

public PropertiesExpander(java.util.Properties aProperties)

Creates a new PropertiesExpander.

Parameters:

aProperties - the underlying properties to use for property resolution.

Throws:

java.lang.IllegalArgumentException - indicates null was passed

Method Detail

resolve

public java.lang.String resolve(java.lang.String aPropertyName)

Resolves a property name to it's value.

Specified by:

resolve in interface PropertyResolver

Parameters:

aPropertyName - the name of the property.

Returns:

the value that is associated with propertyName.