[Japi-cvs] SF.net SVN: japi: [273] libs/util/trunk/src/net/sf/japi/util/ LocaleComparator.java

[<chr...@us...>]

Revision: 273
          http://svn.sourceforge.net/japi/?rev=273&view=rev
Author:   christianhujer
Date:     2007-01-07 08:06:35 -0800 (Sun, 07 Jan 2007)

Log Message:
-----------
Adding LocaleComparator.

Added Paths:
-----------
    libs/util/trunk/src/net/sf/japi/util/LocaleComparator.java

Added: libs/util/trunk/src/net/sf/japi/util/LocaleComparator.java
===================================================================
--- libs/util/trunk/src/net/sf/japi/util/LocaleComparator.java	                        (rev 0)
+++ libs/util/trunk/src/net/sf/japi/util/LocaleComparator.java	2007-01-07 16:06:35 UTC (rev 273)
@@ -0,0 +1,33 @@
+package net.sf.japi.util;
+
+import java.util.Comparator;
+import java.util.Locale;
+import java.text.Collator;
+
+/** Implementation of {@link Comparator} that is able to compare {@link Locale} instances by their names (allowing <code>null</code>).
+ * The Locale for sorting the Locales is determined at creation time.
+ * @author <a href="mailto:ch...@ri...">Christian Hujer</a>
+ */
+public final class LocaleComparator implements Comparator<Locale> {
+
+    /** Collator for comparing the names. */
+    private final Collator collator = Collator.getInstance();
+
+    /** Create a LocaleComparator. */
+    public LocaleComparator() {
+    }
+
+    /** {@inheritDoc} */
+    public int compare(final Locale o1, final Locale o2) {
+        if (o1 == null && o2 == null) {
+            return 0;
+        } else if (o1 == null) {
+            return -1;
+        } else if (o2 == null) {
+            return 1;
+        } else {
+            return collator.compare(o1.getDisplayName(), o2.getDisplayName());
+        }
+    }
+
+} // class LocaleComparator


Property changes on: libs/util/trunk/src/net/sf/japi/util/LocaleComparator.java
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Name: svn:mime-type
   + text/plain
Name: svn:eol-style
   + LF


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