# HG changeset patch
# User Ingo Weinzierl <ingo.weinzierl@intevation.de>
# Date 1300112197 0
# Node ID 25593857b8f8f216ac8f7faddf520f5eb1f2f2fb
# Parent  b7a9557957d1b61597aca73c18885871439eface
Implemented a singleton instance that provides i18n strings.

flys-artifacts/trunk@1461 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r b7a9557957d1 -r 25593857b8f8 flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Thu Mar 10 13:31:36 2011 +0000
+++ b/flys-artifacts/ChangeLog	Mon Mar 14 14:16:37 2011 +0000
@@ -1,3 +1,13 @@
+2011-03-14  Ingo Weinzierl <ingo@intevation.de>
+
+	* src/main/java/de/intevation/flys/artifacts/resources/Resources.java:
+	  New. This class retrieves the i18n strings from a ResourceBundle.
+
+	* src/main/resources/messages.properties,
+	  src/main/resources/messages_en.properties,
+	  src/main/resources/messages_de.properties: Resource files for german and
+	  english translation.
+
 2011-03-10  Ingo Weinzierl <ingo@intevation.de>
 
 	* src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java: Appended
diff -r b7a9557957d1 -r 25593857b8f8 flys-artifacts/src/main/java/de/intevation/flys/artifacts/resources/Resources.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/resources/Resources.java	Mon Mar 14 14:16:37 2011 +0000
@@ -0,0 +1,106 @@
+package de.intevation.flys.artifacts.resources;
+
+import java.util.Locale;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.artifacts.CallMeta;
+
+/**
+ * This class provides methods for i18n.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class Resources {
+
+    /** The logger that is used in this class.*/
+    private static Logger logger = Logger.getLogger(Resources.class);
+
+    /** The singleton instance.*/
+    private static Resources INSTANCE;
+
+    /** The locales supported by this server.*/
+    protected Locale[] locales;
+
+    /**
+     * No instance of this class is necessary.
+     */
+    private Resources() {
+    }
+
+
+    /**
+     * Returns the locales supported by this server.
+     *
+     * @return the supported locales.
+     */
+    public Locale[] getLocales() {
+        if (locales == null) {
+            readLocales();
+        }
+
+        return locales;
+    }
+
+
+    /**
+     * Read the locales configured for this server.
+     */
+    protected void readLocales() {
+        // TODO IMPLEMENT ME
+
+        locales = new Locale[2];
+        locales[0] = Locale.GERMANY;
+        locales[1] = Locale.ENGLISH;
+    }
+
+
+    /**
+     * This method returns the translated value for <i>key</i> or <i>def</i> if
+     * <i>key</i> is not existing in the resource bundle.
+     *
+     * @param meta The CallMeta object of the request that contains the
+     * preferred locale.
+     * @param key The key that should be translated.
+     * @param def A default value that is returned, if <i>key</i> was not found.
+     *
+     * @return the translated message.
+     */
+    public static String getMsg(CallMeta meta, String key, String def) {
+        if (INSTANCE == null) {
+            INSTANCE = new Resources();
+        }
+
+        Locale[] locales = INSTANCE.getLocales();
+        Locale   locale  = meta.getPreferredLocale(locales);
+
+        return getMsg(locale, key, def);
+    }
+
+
+    /**
+     * This method returns the translated value for <i>key</i> or <i>def</i> if
+     * <i>key</i> is not existing in the resource bundle.
+     *
+     * @param locale The locale.
+     * @param key The key that should be translated.
+     * @param def A default value that is returned, if <i>key</i> was not found.
+     *
+     * @return the translated message.
+     */
+    public static String getMsg(Locale locale, String key, String def) {
+        ResourceBundle bundle = ResourceBundle.getBundle("messages", locale);
+
+        try {
+            return bundle.getString(key);
+        }
+        catch (MissingResourceException mre) {
+            logger.warn("No message found for key: " + key);
+
+            return def;
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
diff -r b7a9557957d1 -r 25593857b8f8 flys-artifacts/src/main/resources/messages.properties
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/resources/messages.properties	Mon Mar 14 14:16:37 2011 +0000
@@ -0,0 +1,2 @@
+state.winfo.river = River
+state.winfo.gauge = Pegelauswahl
diff -r b7a9557957d1 -r 25593857b8f8 flys-artifacts/src/main/resources/messages_de.properties
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/resources/messages_de.properties	Mon Mar 14 14:16:37 2011 +0000
@@ -0,0 +1,2 @@
+state.winfo.river = Fluss
+state.winfo.gauge = Pegelauswahl
diff -r b7a9557957d1 -r 25593857b8f8 flys-artifacts/src/main/resources/messages_en.properties
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/resources/messages_en.properties	Mon Mar 14 14:16:37 2011 +0000
@@ -0,0 +1,2 @@
+state.winfo.river = River
+state.winfo.gauge = Pegelauswahl