ItEr22S04ArquitecturaServidorItEr21S04: [FixBug] Added gettext commons library to ganttzk-demo

ganttzk-demo-webapp/pom.xml

@@ -13,9 +13,33 @@
 
     <build>
         <finalName>ganttzk-demo-webapp</finalName>
+
+	<!--
+            Gettext Commons plugin
+               goals:
+                    merge: parses source code and generates keys.pot
+                    dist: generates binary Resoruce Bundle (Messages_XX.class)
+        -->
+        <plugins>
+            <plugin>
+                <groupId>org.xnap.commons</groupId>
+                <artifactId>maven-gettext-plugin</artifactId>
+                <configuration>
+                    <targetBundle>i18n.Messages</targetBundle>
+                    <poDirectory>${project.build.sourceDirectory}/../resources/i18n</poDirectory>
+                    <keywords>-k_</keywords>
+                </configuration>
+            </plugin>
+        </plugins>
+
     </build>
 
     <dependencies>
+	  <!-- Gettext commons -->
+        <dependency>
+            <groupId>org.xnap.commons</groupId>
+            <artifactId>gettext-commons</artifactId>
+        </dependency>
         <!-- Spring -->
         <dependency>
             <groupId>org.springframework</groupId>
@@ -69,6 +93,16 @@
             <groupId>javax.servlet</groupId>
             <artifactId>servlet-api</artifactId>
         </dependency>
+         <!--
+            Apache Commons IO (required by Commons Fileupload but
+            declared as optional it commons-fileupload.pom)
+        -->
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>1.2</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
 </project>

ganttzk-demo-webapp/src/main/java/org/navalplanner/web/I18nHelper.java

@@ -0,0 +1,31 @@
+package org.navalplanner.web;
+
+import java.util.HashMap;
+import java.util.Locale;
+
+import org.xnap.commons.i18n.I18n;
+import org.xnap.commons.i18n.I18nFactory;
+import org.zkoss.util.Locales;
+
+
+public class I18nHelper {
+
+    private static HashMap<Locale, I18n> localesCache = new HashMap<Locale, I18n>();
+
+    public static I18n getI18n() {
+        if (localesCache.keySet().contains(Locales.getCurrent())) {
+            return localesCache.get(Locales.getCurrent());
+        }
+
+        I18n i18n = I18nFactory.getI18n(I18nHelper.class, Locales
+                .getCurrent(),
+                org.xnap.commons.i18n.I18nFactory.FALLBACK);
+        localesCache.put(Locales.getCurrent(), i18n);
+
+        return i18n;
+    }
+
+    public static String _(String str) {
+        return getI18n().tr(str);
+    }
+}

ganttzk-demo-webapp/src/main/webapp/WEB-INF/tld/i18n.tld

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<taglib>
+    <uri>http://org.navalplanner.web/i18n</uri>
+    <description>
+    </description>
+    <function>
+        <name>_</name>
+        <function-class>org.navalplanner.web.I18nHelper</function-class>
+        <function-signature>
+            java.lang.String _(java.lang.String name)
+        </function-signature>
+        <description>
+        </description>
+    </function>
+</taglib>