ListResourceBundle is an abstract subclass of
ResourceBundle that manages resources for a locale
in a convenient and easy to use list. See ResourceBundle for
more information about resource bundles in general.
Subclasses must override getContents and provide an array,
where each item in the array is a pair of objects.
The first element of each pair is the key, which must be a
String, and the second element is the value associated with
that key.
The following example shows two members of a resource
bundle family with the base name "MyResources".
"MyResources" is the default member of the bundle family, and
"MyResources_fr" is the French member.
These members are based on ListResourceBundle
(a related example shows
how you can add a bundle to this family that's based on a properties file).
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.
public class MyResources extends ListResourceBundle { protected Object[][] getContents() { return new Object[][] { // LOCALIZE THIS {"s1", "The disk \"{1}\" contains {0}."}, // MessageFormat pattern {"s2", "1"}, // location of {0} in pattern {"s3", "My Disk"}, // sample disk name {"s4", "no files"}, // first ChoiceFormat choice {"s5", "one file"}, // second ChoiceFormat choice {"s6", "{0,number} files"}, // third ChoiceFormat choice {"s7", "3 Mar 96"}, // sample date {"s8", new Dimension(1,5)} // real object, not just string // END OF MATERIAL TO LOCALIZE }; } } public class MyResources_fr extends ListResourceBundle { protected Object[][] getContents() { return new Object[][] { // LOCALIZE THIS {"s1", "Le disque \"{1}\" {0}."}, // MessageFormat pattern {"s2", "1"}, // location of {0} in pattern {"s3", "Mon disque"}, // sample disk name {"s4", "ne contient pas de fichiers"}, // first ChoiceFormat choice {"s5", "contient un fichier"}, // second ChoiceFormat choice {"s6", "contient {0,number} fichiers"}, // third ChoiceFormat choice {"s7", "3 mars 1996"}, // sample date {"s8", new Dimension(1,3)} // real object, not just string // END OF MATERIAL TO LOCALIZE }; } }
The implementation of a ListResourceBundle subclass must be thread-safe
if it's simultaneously used by multiple threads. The default implementations
of the methods in this class are thread-safe.
ResourceBundle, PropertyResourceBundle
| Modifier and Type | Field and Description |
|---|---|
| private volatile Map |
| Access | Constructor and Description |
|---|---|
| public |
| Modifier and Type | Method and Description |
|---|---|
| protected abstract Object[][] | Returns: an array of anObject array representing a
key-value pair.Returns an array in which each item is a pair of objects in an
|
| public Enumeration | Returns: anEnumeration of the keys contained in
this ResourceBundle and its parent bundles.Implements abstract java. Returns an |
| public final Object | handleGetObject(String
the key for the desired object key)Implements abstract java. Gets an object for the given key from this resource bundle. |
| protected Set | Returns: aSet of the keys contained only in this
ResourceBundleOverrides java. Returns a |
| private synchronized void |
| lookup | back to summary |
|---|---|
| private volatile Map<String, Object> lookup | |
| ListResourceBundle | back to summary |
|---|---|
| public ListResourceBundle() Sole constructor. (For invocation by subclass constructors, typically implicit.) | |
| getContents | back to summary |
|---|---|
| protected abstract Object[][] getContents() Returns an array in which each item is a pair of objects in an
| |
| getKeys | back to summary |
|---|---|
| public Enumeration Implements abstract java. Returns an
| |
| handleGetObject | back to summary |
|---|---|
| public final Object handleGetObject(String key) Implements abstract java. Doc from java. 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. | |
| handleKeySet | back to summary |
|---|---|
| protected Set Overrides java. Returns a | |
| loadLookup | back to summary |
|---|---|
| private synchronized void loadLookup() We lazily load the lookup hashtable. This function does the loading. | |