org.java.plugin.util

Class ExtendedProperties

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<java.lang.Object,java.lang.Object>

java.util.Properties

org.java.plugin.util.ExtendedProperties

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<java.lang.Object,java.lang.Object>

public class ExtendedProperties
extends java.util.Properties

This implementation supports parameters substitution in property value.

Version:

$Id$

See Also:

getProperty(String), Serialized Form

Field Summary

Fields inherited from class java.util.Properties

defaults

Constructor Summary

Constructors

Constructor and Description
ExtendedProperties()
ExtendedProperties(java.util.Properties defs)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getProperty(java.lang.String key) Any parameter like ${propertyName} in property value will be replaced with the value of property with name propertyName.
java.lang.String	getProperty(java.lang.String key, java.lang.String defaultValue)
ExtendedProperties	getSubset(java.lang.String prefix)
ExtendedProperties	getSubset(java.lang.String prefix, java.lang.String newPrefix)

Methods inherited from class java.util.Properties

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, rehash, remove, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ExtendedProperties

public ExtendedProperties()

See Also:

Properties.Properties()

ExtendedProperties

public ExtendedProperties(java.util.Properties defs)

See Also:

Properties.Properties(java.util.Properties)

Method Detail

getProperty

public java.lang.String getProperty(java.lang.String key)

Any parameter like ${propertyName} in property value will be replaced with the value of property with name propertyName.

For example, for the following set of properties:

 param1=abcd
 param2=efgh
 param3=Alphabet starts with: ${param1}${param2}
 

The call props.getProperty("param3") returns:

Alphabet starts with: abcdefgh

Note also that call props.get("param3") returns:

Alphabet starts with: ${param1}${param2}

So the Map.get(java.lang.Object) works as usual and returns raw (not expanded with substituted parameters) property value.

Overrides:

getProperty in class java.util.Properties

See Also:

Properties.getProperty(java.lang.String)

getProperty

public java.lang.String getProperty(java.lang.String key,
                           java.lang.String defaultValue)

Overrides:

getProperty in class java.util.Properties

See Also:

Properties.getProperty(java.lang.String, java.lang.String)

getSubset

public ExtendedProperties getSubset(java.lang.String prefix)

Parameters:

prefix - string, each property key should start with (this prefix will NOT be included into new key)

Returns:

sub-properties

getSubset

public ExtendedProperties getSubset(java.lang.String prefix,
                           java.lang.String newPrefix)

Parameters:

prefix - string, each property key should start with

newPrefix - new prefix to be added to each key instead of existing prefix

Returns:

sub-properties