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JavaTM 2 Platform Std. Ed. v1.4.2

Class PropertyResourceBundle

  extended byjava.util.ResourceBundle
      extended byjava.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 "" (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

 # 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

See Also:
ResourceBundle, ListResourceBundle, Properties

Field Summary
Fields inherited from class java.util.ResourceBundle
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


public PropertyResourceBundle(InputStream stream)
                       throws IOException
Creates a property resource bundle.

stream - property file to read from.
Method Detail


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
key - the key for the desired object
the object for the given key, or null


public Enumeration getKeys()
Implementation of ResourceBundle.getKeys.

Specified by:
getKeys in class ResourceBundle

Copyright 2003 Sun Microsystems, Inc. All rights reserved