You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@struts.apache.org by cr...@apache.org on 2005/09/17 05:46:54 UTC
svn commit: r289697 - in /struts/shale/trunk/core-library/src:
java/org/apache/shale/util/Messages.java
test/org/apache/shale/util/LoadBundleTestCase.java
test/org/apache/shale/util/MessagesTestCase.java
Author: craigmcc
Date: Fri Sep 16 20:46:50 2005
New Revision: 289697
URL: http://svn.apache.org/viewcvs?rev=289697&view=rev
Log:
Make the Messages class a proper JavaBean so that it can be initialized as a
managed bean if desired. Also, add a test case for it.
Added:
struts/shale/trunk/core-library/src/test/org/apache/shale/util/MessagesTestCase.java
Modified:
struts/shale/trunk/core-library/src/java/org/apache/shale/util/Messages.java
struts/shale/trunk/core-library/src/test/org/apache/shale/util/LoadBundleTestCase.java
Modified: struts/shale/trunk/core-library/src/java/org/apache/shale/util/Messages.java
URL: http://svn.apache.org/viewcvs/struts/shale/trunk/core-library/src/java/org/apache/shale/util/Messages.java?rev=289697&r1=289696&r2=289697&view=diff
==============================================================================
--- struts/shale/trunk/core-library/src/java/org/apache/shale/util/Messages.java (original)
+++ struts/shale/trunk/core-library/src/java/org/apache/shale/util/Messages.java Fri Sep 16 20:46:50 2005
@@ -27,6 +27,23 @@
* <p>Utility wrapper around resource bundles that provides locale-specific
* message string lookups, as well as parameter replacement services.</p>
*
+ * <p>If desired, this class can be used to define a managed bean wrapping
+ * a specified resource bundle, with a declaration like this in a
+ * <code>faces-config.xml</code> configuration file:</p>
+ * <code>
+ * <managed-bean>
+ * <managed-bean-name>messages</managed-bean-name>
+ * <managed-bean-class>
+ * org.apache.shale.util.Messages
+ * </managed-bean-class>
+ * <managed-bean-scope>application</managed-bean-scope>
+ * <managed-property>
+ * <property-name>name</property-name>
+ * <value>com.mycompany.mypackage.Bundle</value>
+ * </managed-property>
+ * </managed-bean>
+ * </code>
+ *
* $Id$
*/
public class Messages {
@@ -36,6 +53,18 @@
/**
+ * <p>Construct an initialized {@link Messages} wrapper. At least the
+ * <code>name</code> property must be initialized before the message
+ * retrieval public methods may be successfully utilized.</p>
+ */
+ public Messages() {
+
+ this(null, null);
+
+ }
+
+
+ /**
* <p>Construct a new {@link Messages} wrapper around the specified
* resource bundle name, loaded by the default class loader.</p>
*
@@ -54,7 +83,8 @@
*
* @param name Name of the requested <code>ResourceBundle</code>
* @param cl <code>ClassLoader</code> to use for loading this
- * resource bundle, or <code>null</code> for the default
+ * resource bundle, or <code>null</code> for the default (which
+ * selects the thread context class loader)
*/
public Messages(String name, ClassLoader cl) {
@@ -75,22 +105,53 @@
/**
+ * <p>The default <code>Locale</code> for this server.</p>
+ */
+ private Locale defaultLocale = Locale.getDefault();
+
+
+ /**
+ * <p><code>MessageFormat</code> used to perform parameter substitution.</p>
+ */
+ private MessageFormat format = new MessageFormat("");
+
+
+ // -------------------------------------------------------------- Properties
+
+
+ /**
* <p><code>ClassLoader</code> from which to load the specfied
- * resource bundle.</p>
+ * resource bundle, or <code>null</code> for the thread context
+ * class loader.</p>
*/
private ClassLoader cl = null;
/**
- * <p>The default <code>Locale</code> for this server.</p>
+ * <p>Return the <code>ClassLoader</code> from which to load the
+ * specified resource bundle, or <code>null</code> for the thread
+ * context class loader.</p>
*/
- private Locale defaultLocale = Locale.getDefault();
+ public ClassLoader getClassLoader() {
+
+ return this.cl;
+
+ }
/**
- * <p><code>MessageFormat</code> used to perform parameter substitution.</p>
+ * <p>Set the <code>ClassLoader</code> from which to load the
+ * specified resource bundle.</p>
+ *
+ * @param cl The new class loader, or <code>null</code> for the
+ * thread context class loader
*/
- private MessageFormat format = new MessageFormat("");
+ public void setClassLoader(ClassLoader cl) {
+
+ this.cl = null;
+ reset();
+
+ }
/**
@@ -99,6 +160,29 @@
private String name = null;
+ /**
+ * <p>Return the name of the resource bundle to be retrieved.</p>
+ */
+ public String getName() {
+
+ return this.name;
+
+ }
+
+
+ /**
+ * <p>Set the name of the resource bunde to be retrieved.</p>
+ *
+ * @param name New name of the resource bundle to be retrieved
+ */
+ public void setName(String name) {
+
+ this.name = name;
+ reset();
+
+ }
+
+
// ---------------------------------------------------------- Public Methods
@@ -185,17 +269,30 @@
private ResourceBundle getBundle(Locale locale) {
ResourceBundle rb = null;
+ ClassLoader rbcl = cl;
+ if (cl == null) {
+ cl = Thread.currentThread().getContextClassLoader();
+ }
synchronized (bundles) {
rb = (ResourceBundle) bundles.get(locale);
if (rb == null) {
- if (cl == null) {
- rb = ResourceBundle.getBundle(name, locale);
- } else {
- rb = ResourceBundle.getBundle(name, locale, cl);
- }
+ rb = ResourceBundle.getBundle(name, locale, cl);
bundles.put(locale, rb);
}
return rb;
+ }
+
+ }
+
+
+ /**
+ * <p>Reset any cached <code>ResourceBundle</code> instances due to a
+ * change in one of the relevant properties.</p>
+ */
+ private void reset() {
+
+ synchronized (bundles) {
+ bundles.clear();
}
}
Modified: struts/shale/trunk/core-library/src/test/org/apache/shale/util/LoadBundleTestCase.java
URL: http://svn.apache.org/viewcvs/struts/shale/trunk/core-library/src/test/org/apache/shale/util/LoadBundleTestCase.java?rev=289697&r1=289696&r2=289697&view=diff
==============================================================================
--- struts/shale/trunk/core-library/src/test/org/apache/shale/util/LoadBundleTestCase.java (original)
+++ struts/shale/trunk/core-library/src/test/org/apache/shale/util/LoadBundleTestCase.java Fri Sep 16 20:46:50 2005
@@ -24,8 +24,7 @@
import org.apache.shale.test.base.AbstractJsfTestCase;
/**
- *
- * @author craigmcc
+ * <p>Test case for <code>LoadBundle</code>.</p>
*/
public class LoadBundleTestCase extends AbstractJsfTestCase {
Added: struts/shale/trunk/core-library/src/test/org/apache/shale/util/MessagesTestCase.java
URL: http://svn.apache.org/viewcvs/struts/shale/trunk/core-library/src/test/org/apache/shale/util/MessagesTestCase.java?rev=289697&view=auto
==============================================================================
--- struts/shale/trunk/core-library/src/test/org/apache/shale/util/MessagesTestCase.java (added)
+++ struts/shale/trunk/core-library/src/test/org/apache/shale/util/MessagesTestCase.java Fri Sep 16 20:46:50 2005
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shale.util;
+
+import java.util.Locale;
+import javax.faces.context.FacesContext;
+import junit.framework.Test;
+import junit.framework.TestSuite;
+import org.apache.shale.test.base.AbstractJsfTestCase;
+
+/**
+ * <p>Test case for <code>Messages</code>.</p>
+ */
+public class MessagesTestCase extends AbstractJsfTestCase {
+
+
+ // ------------------------------------------------------------ Constructors
+
+
+ // Construct a new instance of this test case.
+ public MessagesTestCase(String name) {
+ super(name);
+ }
+
+
+ // ---------------------------------------------------- Overall Test Methods
+
+
+ // Set up instance variables required by this test case.
+ public void setUp() {
+
+ super.setUp();
+
+ // Set up the instance we will be testing
+ m = new Messages("org.apache.shale.util.TestBundle");
+
+ }
+
+
+ // Return the tests included in this test case.
+ public static Test suite() {
+
+ return (new TestSuite(MessagesTestCase.class));
+
+ }
+
+
+ // Tear down instance variables required by this test case.
+ public void tearDown() {
+
+ m = null;
+ super.tearDown();
+
+ }
+
+
+ // ------------------------------------------------------ Instance Variables
+
+
+ // The instance to be tested
+ Messages m = null;
+
+
+ // ------------------------------------------------------------ Test Methods
+
+
+ // Test access to the English values for this resource bundle
+ public void testEngish() {
+
+ Locale l = new Locale("en", "US");
+ assertEquals("English Key 1", m.getMessage("key1", l));
+ assertEquals("English Key 2", m.getMessage("key2", l));
+
+ }
+
+
+ // Test access to the French values for this resource bundle
+ public void testFrench() {
+
+ Locale l = new Locale("fr", "FR");
+ assertEquals("French Key 1", m.getMessage("key1", l));
+ assertEquals("French Key 2", m.getMessage("key2", l));
+
+ }
+
+
+ // Test a pristine instance
+ public void testPristine() {
+
+ assertEquals("org.apache.shale.util.TestBundle", m.getName());
+
+ }
+
+
+}
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@struts.apache.org
For additional commands, e-mail: dev-help@struts.apache.org