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Copyright © 2006 Sun Microsystems, Inc. All rights reserved.

java.util
Class PropertyResourceBundle

java.lang.Object
  java.util.ResourceBundle
      java.util.PropertyResourceBundle

public class PropertyResourceBundle

extends ResourceBundle

PropertyResourceBundle is a concrete subclass of ResourceBundle that manages resources for a locale using a set of static strings from a property file. See ResourceBundle for more information about resource bundles. See Properties for more information about properties files, in particular the information on character encodings.

Unlike other types of resource bundle, you don't subclass PropertyResourceBundle. Instead, you supply properties files containing the resource data. ResourceBundle.getBundle will automatically look for the appropriate properties file and create a PropertyResourceBundle that refers to it. See ResourceBundle.getBundle for a complete description of the search and instantiation strategy.

The following example shows a member of a resource bundle family with the base name "MyResources". The text defines the bundle "MyResources_de", the German member of the bundle family. This member is based on PropertyResourceBundle, and the text therefore is the content of the file "MyResources_de.properties" (a related example shows how you can add bundles to this family that are implemented as subclasses of ListResourceBundle). The keys in this example are of the form "s1" etc. The actual keys are entirely up to your choice, so long as they are the same as the keys you use in your program to retrieve the objects from the bundle. Keys are case-sensitive.

 # MessageFormat pattern
 s1=Die Platte \"{1}\" enthält {0}.

 # location of {0} in pattern
 s2=1

 # sample disk name
 s3=Meine Platte

 # first ChoiceFormat choice
 s4=keine Dateien

 # second ChoiceFormat choice
 s5=eine Datei

 # third ChoiceFormat choice
 s6={0,number} Dateien

 # sample date
 s7=3. März 1996
 

Since:

JDK1.1

See Also:

ResourceBundle, ListResourceBundle, Properties

Field Summary

Fields inherited from class java.util.ResourceBundle

parent

Constructor Summary

PropertyResourceBundle(InputStream stream)
Creates a property resource bundle.

Method Summary

Enumeration	getKeys() Implementation of ResourceBundle.getKeys.
Object	handleGetObject(String key) Gets an object for the given key from this resource bundle.

Methods inherited from class java.util.ResourceBundle

getBundle, getBundle, getBundle, getLocale, getObject, getString, getStringArray, setParent

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyResourceBundle

public PropertyResourceBundle(InputStream stream)
                       throws IOException

Creates a property resource bundle.

Parameters:

stream - property file to read from.

Method Detail

handleGetObject

public Object handleGetObject(String key)

Description copied from class: ResourceBundle

Gets an object for the given key from this resource bundle. Returns null if this resource bundle does not contain an object for the given key.

Specified by:

handleGetObject in class ResourceBundle

Parameters:

key - the key for the desired object

Returns:

the object for the given key, or null

getKeys

public Enumeration getKeys()

Implementation of ResourceBundle.getKeys.

Specified by:

getKeys in class ResourceBundle