base/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/JcrUiPlugin.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.eclipse.ui.jcr;
  17
  18 import java.util.ResourceBundle;
  19
  20 import org.apache.commons.logging.Log;
  21 import org.apache.commons.logging.LogFactory;
  22 import org.eclipse.jface.resource.ImageDescriptor;
  23 import org.eclipse.ui.plugin.AbstractUIPlugin;
  24 import org.osgi.framework.BundleContext;
  25
  26 public class JcrUiPlugin extends AbstractUIPlugin {
  27         private final static Log log = LogFactory.getLog(JcrUiPlugin.class);
  28
  29         public final static String ID = "org.argeo.eclipse.ui.jcr";
  30
  31         private ResourceBundle messages;
  32
  33         private static JcrUiPlugin plugin;
  34
  35         public void start(BundleContext context) throws Exception {
  36                 super.start(context);
  37                 plugin = this;
  38                 messages = ResourceBundle.getBundle("org.argeo.eclipse.ui.jcr");
  39         }
  40
  41         public static JcrUiPlugin getDefault() {
  42                 return plugin;
  43         }
  44
  45         public static ImageDescriptor getImageDescriptor(String path) {
  46                 return imageDescriptorFromPlugin(ID, path);
  47         }
  48
  49         /** Returns the internationalized label for the given key */
  50         public static String getMessage(String key) {
  51                 try {
  52                         return getDefault().messages.getString(key);
  53                 } catch (NullPointerException npe) {
  54                         log.warn(key + " not found.");
  55                         return key;
  56                 }
  57         }
  58
  59         /**
  60          * Gives access to the internationalization message bundle. Returns null in
  61          * case the ClientUiPlugin is not started (for JUnit tests, by instance)
  62          */
  63         public static ResourceBundle getMessagesBundle() {
  64                 if (getDefault() != null)
  65                         // To avoid NPE
  66                         return getDefault().messages;
  67                 else
  68                         return null;
  69         }
  70 }