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-rw-r--r--libjava/classpath/gnu/java/locale/.cvsignore1
-rw-r--r--libjava/classpath/gnu/java/locale/LocaleHelper.java147
-rw-r--r--libjava/classpath/gnu/java/locale/package.html46
3 files changed, 194 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/locale/.cvsignore b/libjava/classpath/gnu/java/locale/.cvsignore
new file mode 100644
index 000000000..d41ae8d81
--- /dev/null
+++ b/libjava/classpath/gnu/java/locale/.cvsignore
@@ -0,0 +1 @@
+LocaleData.java
diff --git a/libjava/classpath/gnu/java/locale/LocaleHelper.java b/libjava/classpath/gnu/java/locale/LocaleHelper.java
new file mode 100644
index 000000000..8b108768d
--- /dev/null
+++ b/libjava/classpath/gnu/java/locale/LocaleHelper.java
@@ -0,0 +1,147 @@
+/* LocaleHelper.java -- helper routines for localization
+ Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.locale;
+
+import java.text.Collator;
+import java.util.Locale;
+
+/**
+ * This class provides common helper methods
+ * for handling localized data.
+ *
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ *
+ * @see java.util.Locale
+ * @see java.util.ResourceBundle
+ */
+public class LocaleHelper
+{
+ /**
+ * <p>
+ * This method is used by the localized name lookup methods to
+ * retrieve the next locale to try. The next locale is derived
+ * from the supplied locale by applying the first applicable
+ * rule from the following:
+ * </p>
+ * <ol>
+ * <li>If the variant contains a <code>'_'</code>, then
+ * this and everything following it is trimmed.</li>
+ * <li>If the variant is non-empty, it is converted to
+ * an empty string.</li>
+ * <li>If the country is non-empty, it is converted to
+ * an empty string.</li>
+ * <li>If the language is non-empty, it is converted to
+ * an empty string (forming {@link java.util.Locale#ROOT})</li>
+ * </ol>
+ * <p>
+ * The base fallback locale is {@link java.util.Locale#ROOT}.
+ * </p>
+ *
+ * @param locale the locale for which a localized piece of
+ * data could not be obtained.
+ * @return the next fallback locale to try.
+ */
+ public static Locale getFallbackLocale(Locale locale)
+ {
+ String language = locale.getLanguage();
+ String country = locale.getCountry();
+ String variant = locale.getVariant();
+ int uscore = variant.indexOf('_');
+ if (uscore != -1)
+ return new Locale(language, country,
+ variant.substring(0, uscore));
+ if (!variant.isEmpty())
+ return new Locale(language, country, "");
+ if (!country.isEmpty())
+ return new Locale(language, "", "");
+ return Locale.ROOT;
+ }
+
+ /**
+ * Return an array of all the locales for which there is a
+ * {@link Collator} instance. A new array is returned each time.
+ */
+ public static Locale[] getCollatorLocales()
+ {
+ // For now we don't bother caching. This is probably
+ // not called very frequently. And, we would have to
+ // clone the array anyway.
+ if (LocaleData.collatorLocaleNames.length == 0)
+ return new Locale[] { Locale.US };
+ Locale[] result = new Locale[LocaleData.collatorLocaleNames.length];
+ for (int i = 0; i < result.length; ++i)
+ {
+ String language;
+ String region = "";
+ String variant = "";
+ String name = LocaleData.collatorLocaleNames[i];
+
+ language = name.substring(0, 2);
+
+ if (name.length() > 2)
+ region = name.substring(3);
+
+ int index = region.indexOf("_");
+ if (index > 0)
+ {
+ variant = region.substring(index + 1);
+ region = region.substring(0, index - 1);
+ }
+
+ result[i] = new Locale(language, region, variant);
+ }
+ return result;
+ }
+
+ /**
+ * Return the number of locales we know of.
+ */
+ public static int getLocaleCount()
+ {
+ return LocaleData.localeNames.length;
+ }
+
+ /**
+ * Return the Nth locale name.
+ */
+ public static String getLocaleName(int n)
+ {
+ return LocaleData.localeNames[n];
+ }
+}
diff --git a/libjava/classpath/gnu/java/locale/package.html b/libjava/classpath/gnu/java/locale/package.html
new file mode 100644
index 000000000..c4bc7c3e8
--- /dev/null
+++ b/libjava/classpath/gnu/java/locale/package.html
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<!-- package.html - describes classes in gnu.java.locale package.
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. -->
+
+<html>
+<head><title>GNU Classpath - gnu.java.locale</title></head>
+
+<body>
+<p></p>
+
+</body>
+</html>