java.lang.Objectjava.util.ResourceBundle
java.util.PropertyResourceBundle
public class PropertyResourceBundle
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
Note: PropertyResourceBundle can be constructed either from an InputStream or a Reader, which represents a property file. Constructing a PropertyResourceBundle instance from an InputStream requires that the input stream be encoded in ISO-8859-1. In that case, characters that cannot be represented in ISO-8859-1 encoding must be represented by
Unicode Escapes
, whereas the other constructor which takes a Reader does not have that limitation.
Nested Class Summary |
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Nested classes/interfaces inherited from class java.util. ResourceBundle |
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ResourceBundle.Control |
Field Summary |
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Fields inherited from class java.util. ResourceBundle |
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parent |
Constructor Summary | |
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PropertyResourceBundle
(
InputStream
Creates a property resource ![]() ![]() ![]() |
|
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Method Summary | |
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Enumeration < String > |
getKeys
() Returns an Enumeration of the keys contained in this ResourceBundle and its parent bundles. |
Object |
handleGetObject
(
String
key) Gets an object for the given key from this resource bundle. |
protected Set < String > |
handleKeySet
() Returns a Set of the keys contained only in this ResourceBundle. |
Methods inherited from class java.util. ResourceBundle |
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clearCache , clearCache , containsKey , getBundle , getBundle , getBundle , getBundle , getBundle , getBundle , getLocale , getObject , getString , getStringArray , keySet , setParent |
Methods inherited from class java.lang. Object |
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clone , equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait |
Constructor Detail |
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public PropertyResourceBundle(InputStream stream) throws IOException
public
PropertyResourceBundle
(
Reader
reader) throws
IOException
Method Detail |
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public Object handleGetObject(String key)
public Enumeration<String> getKeys()
protected Set<String> handleKeySet()