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Internationalization

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Objectives
 Introduction to Internationalization
 Internationalization Process
 Internationalization Elements

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 Need of Internationalization
– Not all countries across the world speak or
understand English language
– Symbols for currency vary across countries
– Date and Time are represented differently in
some countries
– Spelling also varies amongst some countries
 Alternatives to Solve the Problem
– Develop the entire product in the desired
language
– Translate the entire product in the desired
language

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 The process of creating applications which
can adapt and adjust to various countries,
languages and regions is known as
internationalization. The word
“internationalization” is often abbreviated as
I18N.
 The process of adapting an application for a
specific language or country by addition of
locale-specific components and translation
of text is referred to as localization. The
word “localization” is often abbreviated as
L10N.

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 The same executable application can run
worldwide
 Textual elements such as labels and
messages for GUI are not hard-code.
 Support for new language does not require
recompilation
 Culturally dependent data, such as date and
currency appear formats that conform.
 Internationalized programs are localized
quickly

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 Numbers: The NumberFormat class is used to create locale-specific
formats for
– Numbers
– Currencies
– Percentages
 Methods

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 Date and Time: The date and time format
should conform to the conventions of the
end user’s locale.
 The method below is used to get the
DateFormat:
– getDateInstance(style, locale)

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 Unicode provides a unique number for every
character irrespective of platform, program or
language. Unicode is a 16-bit character
encoding system that supports the world’s
major languages. The primitive data type char
in Java is based on Unicode encoding.

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1.Creating the Properties File
2.Defining the Locale
– Locale(String language, String country)
– Locale(String language)
1.Using the ResourceBundle class
2.Fetching the Text from Resource Bundle

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I18N & Formatting Tag Library
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I18N & Formatting Tag Library
setLocale bundle setBundle message

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I18N & Formatting Tag Library
<%@ taglib uri =
"http://java.sun.com/jsp/jstl/fmt" prefix =
“fmt" %>
<fmt:setLocale value=“lc_CC” scope=“page |
request | session | application” />
<fmt:bundle basename=“basename”>
Body Content
</fmt:bundle>
<fmt:setBundle basename=“basename”
var=“varName” scope=“page | request |
session | application” />
<fmt:message key=“messageKey”>
<fmt:param />
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I18N & Formatting Tag Library
– <fmt:formatNumber value=“numValue”
[type=“{number|currency|percent}”]
[maxIntegerDigits=“maxIntegerDigits”]
[minIntegerDigits=“minIntegerDigits”]
[maxFractionDigits=“maxFractionDigits”]
[minFractionDigits=“minFractionDigits”] [var=“varName”]
[scope=“{page|request|session|application}”] />
– <fmt:formatDate value=“date” [type=“{time|date|both}”]
[dateStyle=“{default|short|medium|long|full}”]
[timeStyle=“{default|short|medium|long|full}”]
[var=“varName”] [timeZone=“timeZone”]
[scope=“{page|request|session|application}”]
[pattern=“dd-MM-yy”] />
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Date – Time Pattern
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