org.jaxen.function.ext
Class LocaleFunctionSupport

java.lang.Object
  org.jaxen.function.ext.LocaleFunctionSupport

All Implemented Interfaces:

Function

Direct Known Subclasses:

LowerFunction, UpperFunction

public abstract class LocaleFunctionSupport
extends java.lang.Object
implements Function

An abstract base class for Locale-specific extension functions. This class provides convenience methods that can be inherited, specifically to find a Locale from an XPath function argument value.

Author:

James Strachan

Constructor Summary

LocaleFunctionSupport()

Method Summary

protected java.util.Locale	findLocale(java.lang.String localeText) Tries to find a Locale instance by name using RFC 3066 language tags such as 'en', 'en-US', 'en-US-Brooklyn'.
protected java.util.Locale	findLocaleForLanguage(java.lang.String language) Finds the locale with the given language name with no country or variant, such as Locale.ENGLISH or Locale.FRENCH
protected java.util.Locale	getLocale(java.lang.Object value, Navigator navigator) Attempts to convert the given function argument value into a Locale either via casting, extracting it from a List or looking up the named Locale using reflection.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jaxen.Function

call

Constructor Detail

LocaleFunctionSupport

public LocaleFunctionSupport()

Method Detail

getLocale

protected java.util.Locale getLocale(java.lang.Object value,
                                     Navigator navigator)

Attempts to convert the given function argument value into a Locale either via casting, extracting it from a List or looking up the named Locale using reflection.

Parameters:

value - is either a Locale, a List containing a Locale or a String containing the name of a Locale as defined by the Locale static members.

Returns:

the Locale for the value or null if one could not be deduced

findLocale

protected java.util.Locale findLocale(java.lang.String localeText)

Tries to find a Locale instance by name using RFC 3066 language tags such as 'en', 'en-US', 'en-US-Brooklyn'.

Parameters:

localeText - the RFC 3066 language tag

Returns:

the locale for the given text or null if one could not be found

findLocaleForLanguage

protected java.util.Locale findLocaleForLanguage(java.lang.String language)

Finds the locale with the given language name with no country or variant, such as Locale.ENGLISH or Locale.FRENCH

Parameters:

language - the language code to look for

Returns:

the locale for the given language or null if one could not be found