Home | History | Annotate | Download | only in internal 
      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
      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 
     17 package com.android.ide.eclipse.ndk.internal;
     18 
     19 import org.eclipse.core.runtime.FileLocator;
     20 import org.eclipse.core.runtime.IPath;
     21 import org.eclipse.core.runtime.IStatus;
     22 import org.eclipse.core.runtime.Status;
     23 import org.eclipse.ui.plugin.AbstractUIPlugin;
     24 import org.osgi.framework.Bundle;
     25 import org.osgi.framework.BundleContext;
     26 import org.osgi.framework.ServiceReference;
     27 
     28 import java.net.URL;
     29 
     30 /**
     31  * The activator class controls the plug-in life cycle
     32  */
     33 public class Activator extends AbstractUIPlugin {
     34 
     35     // The plug-in ID
     36     public static final String PLUGIN_ID = "com.android.ide.eclipse.ndk"; //$NON-NLS-1$
     37 
     38     // The shared instance
     39     private static Activator mPlugin;
     40 
     41     @Override
     42     public void start(BundleContext context) throws Exception {
     43         super.start(context);
     44         mPlugin = this;
     45     }
     46 
     47     @Override
     48     public void stop(BundleContext context) throws Exception {
     49         mPlugin = null;
     50         super.stop(context);
     51     }
     52 
     53     public static Activator getDefault() {
     54         return mPlugin;
     55     }
     56 
     57     public static <T> T getService(Class<T> clazz) {
     58         BundleContext context = mPlugin.getBundle().getBundleContext();
     59         ServiceReference ref = context.getServiceReference(clazz.getName());
     60         return (ref != null) ? (T) context.getService(ref) : null;
     61     }
     62 
     63     public static Bundle getBundle(String id) {
     64         for (Bundle bundle : mPlugin.getBundle().getBundleContext().getBundles()) {
     65             if (bundle.getSymbolicName().equals(id)) {
     66                 return bundle;
     67             }
     68         }
     69         return null;
     70     }
     71 
     72     public static IStatus newStatus(Exception e) {
     73         return new Status(IStatus.ERROR, PLUGIN_ID, e.getMessage(), e);
     74     }
     75 
     76     public static void log(Exception e) {
     77         mPlugin.getLog().log(newStatus(e));
     78     }
     79 
     80     public static URL findFile(IPath path) {
     81         return FileLocator.find(mPlugin.getBundle(), path, null);
     82     }
     83 
     84 }
     85