bundles/org.simantics/src/org/simantics/internal/Activator.java

   1 package org.simantics.internal;
   2
   3 import java.io.File;
   4 import java.io.UnsupportedEncodingException;
   5 import java.net.MalformedURLException;
   6 import java.net.URL;
   7 import java.net.URLDecoder;
   8
   9 import org.eclipse.core.runtime.Plugin;
  10 import org.osgi.framework.BundleContext;
  11 import org.simantics.internal.startup.StartupRegistry;
  12
  13 public class Activator extends Plugin {
  14
  15         /**
  16          * Name of the log file.
  17          */
  18         public static String LOG_FILE_NAME = "simantics.log";
  19
  20         public static final String PLUGIN_ID = "org.simantics";
  21
  22         // The shared instance
  23         private static Activator plugin;
  24
  25         private static BundleContext context;
  26
  27         private StartupRegistry startupRegistry;
  28
  29         static BundleContext getContext() {
  30                 return context;
  31         }
  32
  33         /*
  34          * (non-Javadoc)
  35          * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
  36          */
  37         public void start(BundleContext bundleContext) throws Exception {
  38                 super.start(bundleContext);
  39                 Activator.context = bundleContext;
  40                 plugin = this;
  41
  42                 String prop = System.getProperty("osgi.instance.area", null);
  43                 if (prop != null) {
  44                         try {
  45                                 URL url = new URL(prop);
  46                                 if ("file".equals(url .getProtocol())) {
  47                                         try {
  48                                                 File path = new File(URLDecoder.decode(url.getPath(), "UTF-8"));
  49                                                 if (!path.exists())
  50                                                         path.mkdirs();
  51                                                 if (path.exists() && path.canWrite()) {
  52                                                         File logFile = new File(path, LOG_FILE_NAME);
  53                                                         if (!logFile.exists() || (logFile.isFile() && logFile.canWrite()))
  54                                                                 LOG_FILE_NAME = logFile.getAbsolutePath();
  55
  56                                                 }
  57                                         } catch (UnsupportedEncodingException e) {
  58                                                 // Should never happen since UTF-8 is always supported.
  59                                         }
  60                                 }
  61                         } catch (MalformedURLException e) {
  62                                 // Ignore.
  63                         }
  64                 }
  65
  66                 startupRegistry = new StartupRegistry();
  67         }
  68
  69         /*
  70          * (non-Javadoc)
  71          * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
  72          */
  73         public void stop(BundleContext bundleContext) throws Exception {
  74                 Activator.context = null;
  75                 plugin = null;
  76                 super.stop(bundleContext);
  77         }
  78
  79         /**
  80          * @return the context of this bundle.
  81          */
  82         public static BundleContext getBundleContext() {
  83                 return context;
  84         }
  85
  86         /**
  87          * Returns the shared instance
  88          *
  89          * @return the shared instance
  90          */
  91         public static Activator getDefault() {
  92                 return plugin;
  93         }
  94
  95         /**
  96          * @return
  97          */
  98         public StartupRegistry getStartupRegistry() {
  99                 return startupRegistry;
 100         }
 101
 102 }