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public interface MessageSource
Strategy interface for resolving messages, with support for the parameterization and internationalization of such messages.
Spring provides two out-of-the-box implementations for production:
ResourceBundleMessageSource
,
built on top of the standard ResourceBundle
ReloadableResourceBundleMessageSource
,
being able to reload message definitions without restarting the VM
ResourceBundleMessageSource
,
ReloadableResourceBundleMessageSource
Method Summary | |
---|---|
String |
getMessage(MessageSourceResolvable resolvable,
Locale locale)
Try to resolve the message using all the attributes contained within the MessageSourceResolvable argument that was passed in. |
String |
getMessage(String code,
Object[] args,
Locale locale)
Try to resolve the message. |
String |
getMessage(String code,
Object[] args,
String defaultMessage,
Locale locale)
Try to resolve the message. |
Method Detail |
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String getMessage(String code, Object[] args, String defaultMessage, Locale locale)
code
- the code to lookup up, such as 'calculator.noRateSet'. Users of
this class are encouraged to base message names on the relevant fully
qualified class name, thus avoiding conflict and ensuring maximum clarity.args
- array of arguments that will be filled in for params within
the message (params look like "{0}", "{1,date}", "{2,time}" within a message),
or null
if none.locale
- the Locale in which to do the lookupdefaultMessage
- String to return if the lookup fails
MessageFormat
String getMessage(String code, Object[] args, Locale locale) throws NoSuchMessageException
code
- the code to lookup up, such as 'calculator.noRateSet'args
- Array of arguments that will be filled in for params within
the message (params look like "{0}", "{1,date}", "{2,time}" within a message),
or null
if none.locale
- the Locale in which to do the lookup
NoSuchMessageException
- if the message wasn't foundMessageFormat
String getMessage(MessageSourceResolvable resolvable, Locale locale) throws NoSuchMessageException
MessageSourceResolvable
argument that was passed in.
NOTE: We must throw a NoSuchMessageException
on this method
since at the time of calling this method we aren't able to determine if the
defaultMessage
property of the resolvable is null or not.
resolvable
- value object storing attributes required to properly resolve a messagelocale
- the Locale in which to do the lookup
NoSuchMessageException
- if the message wasn't foundMessageFormat
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