JavaServer Pages, 3rd Edition

Integrating Custom I18N Actions

The default locale, resource bundle, and time zone for the JSTL I18N actions can be specified through four configuration settings, described in Tables Table 23-1 through Table 23-4.

Table 23-1. Locale configuration setting

Variable name:	Javax.servlet.jsp.jstl.fmt.locale
Java constant:	Config.FMT_LOCALE
Java type:	String or java.util.Locale
Set by:	<fmt:setLocale>, context parameter, or custom code
Used by:	<fmt:bundle>, <fmt:setBundle>, <fmt:message>, <fmt:formatNumber>, <fmt:parseNumber>, <fmt:formatDate>, and <fmt:parseDate>

Table 23-2. Fallback locale configuration setting

Variable name:	javax.servlet.jsp.jstl.fmt.fallbackLocale
Java constant:	Config.FMT_FALLBACK_LOCALE
Java type:	String or java.util.Locale
Setby:	Context parameter or custom code
Used by:	<fmt:bundle>, <fmt:setBundle>, <fmt:message>, <fmt:formatNumber>, <fmt:parseNumber>, <fmt:formatDate>, and <fmt:parseDate>

Table 23-3. Localization context configuration setting

Variable name:	javax.servlet.jsp.jstl.fmt.localizationContext
Java constant:	Config.FMT_LOCALIZATION_CONTEXT
Java type:	String or javax.servlet.jsp.jstl.fmt.LocalizationContext
Set by:	<fmt:setBundle>, context parameter, or custom code
Used by:	<fmt:message>, <fmt:formatNumber>, <fmt:parseNumber>, <fmt:formatDate>, and <fmt:parseDate>

Table 23-4. Time zone configuration setting

Variable name:	javax.servlet.jsp.jstl.fmt.timeZone
Java constant:	Config.FMT_TIME_ZONE
Java type: ...