com.pholser.util.properties
Class SubstitutableProperties

java.lang.Object
  java.util.Dictionary<K,V>
      java.util.Hashtable<Object,Object>
          java.util.Properties
              com.pholser.util.properties.SubstitutableProperties

All Implemented Interfaces:

PropertySource, Serializable, Cloneable, Map<Object,Object>

public class SubstitutableProperties
extends Properties
implements PropertySource

Properties class with support for property values which can be comprised of the values of other properties. Such values specify other property keys delimited by [ and ]. Inspired by Enabling Constant Substitution in Property Values.

Author:

Paul Holser

See Also:

Serialized Form

Constructor Summary

SubstitutableProperties()
Creates an empty substitutable properties set.

SubstitutableProperties(Properties defaults)
Creates a substitutable properties set with defaults set to the keys and values of another properties set.

Method Summary

String	getProperty(String key)
Object	propertyFor(BoundProperty key) Gives the property value associated with the given key.
String	toString()

Methods inherited from class java.util.Properties

getProperty, list, list, load, load, loadFromXML, propertyNames, save, setProperty, store, store, storeToXML, storeToXML, stringPropertyNames

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, put, putAll, remove, size, values

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SubstitutableProperties

public SubstitutableProperties()

Creates an empty substitutable properties set.

SubstitutableProperties

public SubstitutableProperties(Properties defaults)

Creates a substitutable properties set with defaults set to the keys and values of another properties set.

Parameters:

defaults - the default values for the new property set

Method Detail

getProperty

public String getProperty(String key)

Overrides:

getProperty in class Properties

propertyFor

public Object propertyFor(BoundProperty key)

Description copied from interface: PropertySource

Gives the property value associated with the given key.

Specified by:

propertyFor in interface PropertySource

Parameters:

key - the key to look up

Returns:

the value associated with key, if there is one; else null

toString

public String toString()

Overrides:

toString in class Hashtable<Object,Object>