taxeditor-application/src/main/java/eu/etaxonomy/taxeditor/TaxonomicEditorPlugin.java

   1 package eu.etaxonomy.taxeditor;
   2
   3 import org.apache.log4j.Logger;
   4 import org.eclipse.ui.plugin.AbstractUIPlugin;
   5 import org.osgi.framework.Bundle;
   6 import org.osgi.framework.BundleContext;
   7 import org.osgi.framework.ServiceReference;
   8 import org.osgi.framework.ServiceRegistration;
   9 import org.osgi.service.packageadmin.PackageAdmin;
  10
  11 /**
  12  * The activator class controls the plug-in life cycle
  13  *
  14  * @author n.hoffmann
  15  * @version $Id: $
  16  */
  17 public class TaxonomicEditorPlugin extends AbstractUIPlugin {
  18         private static final Logger logger = Logger
  19                         .getLogger(TaxonomicEditorPlugin.class);
  20
  21         // The plug-in ID
  22         /** Constant <code>PLUGIN_ID="eu.etaxonomy.taxeditor.application"</code> */
  23         public static final String PLUGIN_ID = "eu.etaxonomy.taxeditor.application";
  24
  25         // The shared instance
  26         private static TaxonomicEditorPlugin plugin;
  27
  28         private PackageAdmin packageAdmin;
  29
  30         private ServiceReference packageAdminRef;
  31
  32         /** Constant <code>bundleContext</code> */
  33         protected static BundleContext bundleContext;
  34
  35
  36         private ServiceRegistration policyRegistration;
  37
  38 //      private CloudPolicy policy;
  39
  40         /**
  41          * The constructor
  42          */
  43         public TaxonomicEditorPlugin() {
  44         }
  45
  46         /*
  47          * (non-Javadoc)
  48          * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
  49          */
  50         /** {@inheritDoc} */
  51         public void start(BundleContext context) throws Exception {
  52                 super.start(context);
  53
  54                 plugin = this;
  55                 bundleContext = context;
  56
  57                 packageAdminRef = bundleContext.getServiceReference(PackageAdmin.class.getName());
  58                 packageAdmin = (PackageAdmin) bundleContext.getService(packageAdminRef);
  59
  60                 logger.debug("Taxonomic Editor started.");
  61         }
  62
  63         private Bundle getBundle(String symbolicName) {
  64                 if (packageAdmin == null)
  65                         return null;
  66                 Bundle[] bundles = packageAdmin.getBundles(symbolicName, null);
  67                 if (bundles == null)
  68                         return null;
  69                 // Return the first bundle that is not installed or uninstalled
  70                 for (int i = 0; i < bundles.length; i++) {
  71                         if ((bundles[i].getState() & (Bundle.INSTALLED | Bundle.UNINSTALLED)) == 0) {
  72                                 return bundles[i];
  73                         }
  74                 }
  75                 return null;
  76         }
  77
  78         /*
  79          * (non-Javadoc)
  80          * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
  81          */
  82         /** {@inheritDoc} */
  83         public void stop(BundleContext context) throws Exception {
  84                 plugin = null;
  85                 super.stop(context);
  86                 ApplicationUtil.info("Taxonomic Editor stopped.");
  87         }
  88
  89         /**
  90          * Returns the shared instance
  91          *
  92          * @return the shared instance
  93          */
  94         public static TaxonomicEditorPlugin getDefault() {
  95                 return plugin;
  96         }
  97
  98
  99
 100 }