Initial revision

From-SVN: r26263

libjava/java/util/Locale.java

@@ -0,0 +1,125 @@
+/* Copyright (C) 1998, 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+package java.util;
+
+/**
+ * @author Per Bothner <bothner@cygnus.com>
+ * @date October 24, 1998.
+ */
+
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3,
+ * and "The Java Language Specification", ISBN 0-201-63451-1.
+ * Status:  None of the getDisplayXXX or getISO3XXX methods are implemented.
+ */
+public final class Locale implements java.io.Serializable, Cloneable
+{
+  // The fields are as specified in Sun's "Serialized Form"
+  // in the JDK 1.2 beta 4 API specification.
+  private String country;
+  private int hashcode;
+  private String language;
+  private String variant;
+  private static Locale defaultLocale;
+
+  // FIXME: many are still missing.
+  public static final Locale CANADA = new Locale ("en", "CA");
+  public static final Locale FRANCE = new Locale ("fr", "FR");
+  public static final Locale JAPAN = new Locale ("ja", "JP");
+  public static final Locale UK = new Locale ("en", "GB");
+  public static final Locale US = new Locale ("en", "US");
+
+  public Locale (String languageCode, String countryCode)
+  {
+    language = languageCode.toLowerCase();
+    country = countryCode.toUpperCase();
+    hashcode = languageCode.hashCode() ^ countryCode.hashCode();
+  }
+
+  public Locale (String languageCode, String countryCode,
+		 String variantCode)
+  {
+    this (languageCode, countryCode);
+    variant = variantCode;
+    hashcode ^= variantCode.hashCode();
+  }
+
+  public Object clone ()
+    {
+      return (Object) new Locale (language, country, variant);
+    }
+
+  public boolean equals (Object obj)
+    {
+      if (! (obj instanceof Locale))
+	return false;
+      Locale loc = (Locale) obj;
+      if ((language == null && loc.language != null)
+	  || (country == null && loc.country != null)
+	  || (variant == null && loc.variant != null))
+	return false;
+      return (language.equals(loc.language)
+	      && country.equals(loc.country)
+	      && variant.equals(loc.variant));
+    }
+
+  public String getCountry ()
+  {
+    return country;
+  }
+
+  public String getLanguage ()
+  {
+    return language;
+  }
+
+  public String getVariant ()
+  {
+    return variant;
+  }
+
+  public int hashCode ()
+  {
+    return hashcode;
+  }
+
+  private static synchronized Locale setDefault()
+  {
+    if (defaultLocale != null)
+      return defaultLocale;
+    String language = System.getProperty("user.language");
+    String country = System.getProperty("user.region");
+    defaultLocale = new Locale (language == null ? "en" : language,
+				country == null ? "" : country);
+    return defaultLocale;
+  }
+
+  public static Locale getDefault ()
+  {
+    return defaultLocale == null ? setDefault() : defaultLocale;
+  }
+
+  public static void setDefault (Locale newLocale)
+  {
+    defaultLocale = newLocale;
+  }
+
+  public String toString ()
+  {
+    StringBuffer result = new StringBuffer(20);
+    result.append(language);
+    result.append('_');
+    result.append(country);
+    if (variant != null && variant.length() > 0)
+      {
+	result.append('_');
+	result.append(variant);
+      }
+    return result.toString();
+  }
+}