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      The Internationalization and Localization Group

      This group specializes in the Internationalization and Localization components

      The Internationalization Libraries Group

      The internationalization group is a set of developers interested in the design, implementation, and maintanence of the Java internationalization libraries.

      Introduction

      Internationalization (abreviated "i18n") is the process of designing software so that it can be adapted (localized) to various languages and regions easily, cost-effectively, and in particular without engineering changes to the software. Localization is performed by simply adding locale-specific components, such as translated text, data describing locale-specific behavior, fonts and input methods.

      Source Structure

      Source for the internationalization libraries is found throughout the JDK workspace. Typically, directories under src/share/classes/java contain the classes and interfaces of the public APIs. Often the implementations of these APIs reside in the corresponding src/share/classes/sun directories. Source that is platform dependent (e.g., input methods) may also reside under the src/[solaris|windows] directories.

      Here are some of the locations of the core internationalization libraries.

      Building and Rebuilding

      After building the whole JDK tree, output class files will be generated under the corresponding directories under build/classes directory. Some of the locale data will be incorporated in the build/lib/ext/localedata.jar file. To rebuild the internationalization library sources, you may want to run gnumake in the following directories:

      Documentation

      Community

      The Localization Group

      The localization group is comprised of developers and translators interested in localizing JRE and JDK into various languages.

      Activities include contributing translation or linguistic review, validating and providing locale data, providing other locale-specific features into Java, or maintaining/bug fixing existing localization bugs.

      Introduction

      Until Java 6, user interface provided in both JRE and JDK have been localized into following languages.

      Language JRE JDK
      Chinese (Simplified) O O
      Chinese (Traditional) O
      English O O
      French O
      German O
      Italian O
      Japanese O O
      Korean O
      Spanish O
      Swedish O

      JRE includes user interface elements such as Swing dialogs, runtime messages, and tools messages. JDK includes user interface elements for additional tools such as compiler, JConsole, javadoc, demos, etc.

      Source Files

      Localization resource files are distributed throughout the JDK workspace. They are usually located in the resources directories for each component.

      Below are some of the locations of the localizable resource files.

      rt.jar (jre)
      j2se/src/share/classes/sun/awt/resources/awt.properties
      j2se/src/share/classes/sun/print/resources/serviceui.properties
      j2se/src/share/classes/com/sun/swing/internal/plaf/metal/resources/metal.properties
      j2se/src/share/classes/com/sun/swing/internal/plaf/basic/resources/basic.properties
      j2se/src/share/classes/com/sun/java/swing/plaf/motif/resources/motif.properties
      j2se/src/share/classes/com/sun/java/swing/plaf/windows/resources/windows.properties
      j2se/src/share/classes/com/sun/java/swing/plaf/gtk/resources/gtk.properties
      j2se/src/share/classes/com/sun/accessibility/internal/resources/accessibility.properties
      j2se/src/share/classes/sun/security/util/AuthResources.java
      j2se/src/share/classes/sun/security/util/Resources.java
      j2se/src/share/classes/sun/tools/jar/resources/jar.properties (also in tools.jar)
      j2se/src/share/classes/sun/applet/resources/MsgAppletViewer.java (also in tools.jar)
      j2se/src/share/classes/sun/util/logging/resources/logging.properties
      j2se/src/share/classes/sun/misc/resources/Messages.java
      j2se/src/share/classes/com/sun/org/apache/xalan/internal/res/XSLTErrorResources.java
      j2se/src/share/classes/com/sun/org/apache/xml/internal/res/XMLErrorResources.java
      j2se/src/share/classes/com/sun/org/apache/xml/internal/utils/res/XResources_en.java
      j2se/src/share/classes/com/sun/org/apache/xpath/internal/res/XPATHErrorResources.java
      j2se/src/share/classes/sun/management/resources/agent.properties

      compiled into windows native code
      j2se/src/windows/classes/sun/awt/windows/awtLocalization.properties

      localedata.jar (jre)
      j2se/src/share/classes/sun/util/resources/LocaleNames.properties
      j2se/src/share/classes/sun/util/resources/TimeZoneNames.java
      j2se/src/share/classes/sun/util/resources/CalendarData.properties
      j2se/src/share/classes/sun/util/resources/CurrencyNames.properties
      j2se/src/share/classes/sun/text/resources/CollationData.java
      j2se/src/share/classes/sun/text/resources/FormatData.java

      indicim.jar (jre)
      j2se/src/share/classes/com/sun/inputmethods/internal/indicim/resources/DisplayNames.properties

      thaiim.jar (jre)
      j2se/src/share/classes/com/sun/inputmethods/internal/thaiim/resources/DisplayNames.properties

      resources.jar (jre)
      j2se/src/share/classes/com/sun/corba/se/impl/orbutil/resources/sunorb.properties
      j2se/src/share/classes/com/sun/rowset/RowSetResourceBundle.properties
      j2se/src/share/classes/sun/rmi/registry/resources/rmiregistry.properties
      j2se/src/share/classes/sun/rmi/server/resources/rmid.properties

      jconsole.jar (sdk)
      j2se/src/share/classes/sun/tools/jconsole/resources/JConsoleResources.java

      tools.jar (sdk)
      j2se/src/share/classes/sun/tools/jar/resources/jar.properties
      j2se/src/share/classes/sun/tools/javac/resources/javac.properties
      j2se/src/share/classes/com/sun/tools/javac/resources/javac.properties
      j2se/src/share/classes/sun/tools/native2ascii/resources/MsgNative2ascii.java
      j2se/src/share/classes/sun/tools/serialver/serialver.properties
      j2se/src/share/classes/sun/security/tools/JarSignerResources.java
      j2se/src/share/classes/sun/rmi/rmic/resources/rmic.properties
      j2se/src/share/classes/sun/applet/resources/MsgAppletViewer.java
      j2se/src/share/classes/com/sun/tools/doclets/internal/toolkit/resources/doclets.properties
      j2se/src/share/classes/com/sun/tools/doclets/formats/html/resources/standard.properties
      j2se/src/share/classes/com/sun/tools/example/debug/tty/TTYResources.java
      j2se/src/share/classes/com/sun/tools/javac/resources/compiler.properties
      j2se/src/share/classes/com/sun/tools/javadoc/resources/javadoc.properties
      j2se/src/share/classes/com/sun/tools/apt/resources/apt.properties
      j2se/src/share/classes/com/sun/tools/javah/resources/l10n.properties
      j2se/src/share/classes/com/sun/tools/corba/se/idl/toJavaPortable/toJavaPortable.prp
      j2se/src/share/classes/com/sun/tools/corba/se/idl/idl.prp
      j2se/src/share/classes/com/sun/tools/jdi/resources/jdi.properties

      demos (sdk)
      j2se/src/share/demo/jfc/CodePointIM/resources/codepoint.properties
      j2se/src/share/demo/jfc/CodePointIM/README.html
      j2se/src/share/demo/jfc/Font2DTest/resources/TextResources.properties
      j2se/src/share/demo/jfc/Notepad/resources/Notepad.properties
      j2se/src/share/demo/jfc/Stylepad/resources/Stylepad.properties
      j2se/src/share/demo/jfc/SwingSet2/resources/swingset.properties

      doc (sdk)
      j2se/src/share/doc/jdk/README.html

      Update makefile

      To include the localized resource file in JRE and JDK bundle, corresponding makefiles need to be updated.

      Include locale in JRE
      update make/common/Defs.gmk in j2se workspace, which means update j2se/make/common/Defs.gmk

      in following two lines, add the locale you are going to localize.

      J2RE_LOCALES = de es fr it ja ko sv zh_CN zh_TW zh_HK
      PLUGIN_LOCALES = de es fr it ja ko sv zh_CN zh_TW zh_HK

      For example, if you are going to localize JRE into thai, then
      J2RE_LOCALES = de es fr it ja ko sv th zh_CN zh_TW zh_HK
      PLUGIN_LOCALES = de es fr it ja ko sv th zh_CN zh_TW zh_HK

      update make/common/Defs.gmk in deploy workspace.
      In follwoing line, add the locale you are goingto localize
      PLUGIN_LOCALES = de es fr it ja ko sv zh_CN zh_TW zh_HK

      Include locale in JDK
      update make/common/Defs.gmk in j2se workspace
      in following line, add the locale you are going to localize.

      J2SDK_LOCALES = ja zh_CN

      Notes: It's not mentioned how to include locale in install ws, to localize the installshield of JRE and JDK in windows. It's related with many changes, and will be described later.

      Building and Rebuilding

      After building the whole JDK tree, the localization related resource files can be found in various jar files such as rt.jar, localdata.jar, tools.jar, jconsole.jar, resources.jar, indicim.jar, thaiim.jar, etc.

      Additional Localization Projects

      You may also be interested in participating in the following localization projects:

      Community

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