org.apache.struts.util
public class PropertyMessageResources extends MessageResources
MessageResources
that reads message keys
and corresponding strings from named property resources in the same manner
that java.util.PropertyResourceBundle
does. The
base
property defines the base property resource name, and
must be specified.
IMPLEMENTATION NOTE - This class trades memory for speed by caching all messages located via generalizing the Locale under the original locale as well. This results in specific messages being stored in the message cache more than once, but improves response time on subsequent requests for the same locale + key combination.
Version: $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
Field Summary | |
---|---|
protected HashMap | locales
The set of locale keys for which we have already loaded messages, keyed
by the value calculated in localeKey() . |
protected static Log | log
The Log instance for this class. |
protected HashMap | messages
The cache of messages we have accumulated over time, keyed by the
value calculated in messageKey() . |
Constructor Summary | |
---|---|
PropertyMessageResources(MessageResourcesFactory factory, String config)
Construct a new PropertyMessageResources according to the
specified parameters.
| |
PropertyMessageResources(MessageResourcesFactory factory, String config, boolean returnNull)
Construct a new PropertyMessageResources according to the
specified parameters.
|
Method Summary | |
---|---|
String | getMessage(Locale locale, String key)
Returns a text message for the specified key, for the default Locale.
|
protected void | loadLocale(String localeKey)
Load the messages associated with the specified Locale key. |
localeKey()
.Log
instance for this class.messageKey()
.Parameters: factory The MessageResourcesFactory that created us config The configuration parameter for this MessageResources
Parameters: factory The MessageResourcesFactory that created us config The configuration parameter for this MessageResources returnNull The returnNull property we should initialize with
returnNull
property is set. Otherwise, an appropriate
error message will be returned.
This method must be implemented by a concrete subclass.
Parameters: locale The requested message Locale, or null
for the system default Locale key The message key to look up
Returns: text message for the specified key and locale
config
property should contain a fully
qualified package and resource name, separated by periods, of a series
of property resources to be loaded from the class loader that created
this PropertyMessageResources instance. This is exactly the same name
format you would use when utilizing the
java.util.PropertyResourceBundle
class.
Parameters: localeKey Locale key for the messages to be retrieved