--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/artifacts/CallMeta.java	Thu Apr 25 10:50:31 2013 +0200
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2010 by Intevation GmbH
+ *
+ * This program is free software under the LGPL (>=v2.1)
+ * Read the file LGPL.txt coming with the software for details
+ * or visit http://www.gnu.org/licenses/ if it does not exist.
+ */
+
+package de.intevation.artifacts;
+
+import java.util.Locale;
+
+/**
+ * Interface to inject meta data like languages to CallContexts.
+ *
+ * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
+ */
+public interface CallMeta
+{
+    /**
+     * Returns a list of the languages the calling client is willing to accept.
+     * @return the list.
+     */
+    PreferredLocale [] getLanguages();
+
+    /**
+     * Intersects the list of preferred client languages with a server
+     * given list and returns the one which is best fitting.
+     * @param locales The list of languages the server provides.
+     * @return The best fitting language.
+     */
+    Locale getPreferredLocale(Locale [] locales);
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :