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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      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 com.motorolamobility.preflighting.internal;
     17 
     18 import java.util.ArrayList;
     19 import java.util.Arrays;
     20 import java.util.List;
     21 
     22 import org.eclipse.core.runtime.IBundleGroup;
     23 import org.eclipse.core.runtime.IBundleGroupProvider;
     24 import org.eclipse.core.runtime.Platform;
     25 import org.eclipse.core.runtime.Plugin;
     26 import org.osgi.framework.Bundle;
     27 import org.osgi.framework.BundleActivator;
     28 import org.osgi.framework.BundleContext;
     29 import org.osgi.framework.Version;
     30 
     31 import com.motorolamobility.preflighting.core.PreflightingCorePlugin;
     32 import com.motorolamobility.preflighting.core.logging.PreflightingLogger;
     33 
     34 public class PreflightingPlugin extends Plugin implements BundleActivator
     35 {
     36     private static PreflightingPlugin instance;
     37 
     38     private String appValidatorVersion = null;
     39 
     40     private static final String COM_MOTOROLAMOBILITY_PREFLIGHTING_FEATURE =
     41             "com.motorolamobility.preflighting.feature";
     42 
     43     public PreflightingPlugin()
     44     {
     45         instance = this;
     46     }
     47 
     48     @Override
     49     public void start(BundleContext context) throws Exception
     50     {
     51         PreflightingLogger.debug(PreflightingPlugin.class, "Starting Preflighting Plugin...");
     52 
     53         super.start(context);
     54 
     55         PreflightingLogger.debug(PreflightingPlugin.class, "Preflighting Plugin started...");
     56     }
     57 
     58     public static PreflightingPlugin getInstance()
     59     {
     60         return instance;
     61     }
     62 
     63     private void readAppValidatorVersion()
     64     {
     65         IBundleGroupProvider[] providers = Platform.getBundleGroupProviders();
     66         List<IBundleGroup> groups = new ArrayList<IBundleGroup>();
     67         if (providers != null)
     68         {
     69             for (int i = 0; i < providers.length; ++i)
     70             {
     71                 IBundleGroup[] bundleGroups = providers[i].getBundleGroups();
     72                 groups.addAll(Arrays.asList(bundleGroups));
     73             }
     74         }
     75         for (IBundleGroup group : groups)
     76         {
     77             if (group.getIdentifier().equals(COM_MOTOROLAMOBILITY_PREFLIGHTING_FEATURE))
     78             {
     79                 appValidatorVersion = group.getVersion();
     80                 break;
     81             }
     82         }
     83 
     84         /*
     85          * WORKAROUND for commandline product
     86          */
     87         if (appValidatorVersion == null)
     88         {
     89             List<Bundle> appValidatorBundles = new ArrayList<Bundle>();
     90             appValidatorBundles.add(this.getBundle());
     91             appValidatorBundles.add(Platform
     92                     .getBundle("com.motorolamobility.preflighting.checkers"));
     93             appValidatorBundles.add(PreflightingCorePlugin.getContext().getBundle());
     94 
     95             Version v = null;
     96             for (Bundle b : appValidatorBundles)
     97             {
     98                 if ((v == null) && (b != null))
     99                 {
    100                     v = b.getVersion();
    101                 }
    102                 if ((b != null) && (v != null) && (b.getVersion().compareTo(v) > 0))
    103                 {
    104                     v = b.getVersion();
    105                 }
    106             }
    107 
    108             appValidatorVersion = v.toString();
    109         }
    110 
    111         /*
    112          * End of WORKAROUND for commandline product
    113          */
    114     }
    115 
    116     public String getAppValidatorVersion()
    117     {
    118         if (appValidatorVersion == null)
    119         {
    120             readAppValidatorVersion();
    121         }
    122         return appValidatorVersion;
    123     }
    124 
    125 }
    126