bundles/org.simantics.spreadsheet.common/src/org/simantics/spreadsheet/common/Activator.java

   1 package org.simantics.spreadsheet.common;
   2 import java.io.File;
   3 import java.io.UnsupportedEncodingException;
   4 import java.net.MalformedURLException;
   5 import java.net.URL;
   6 import java.net.URLDecoder;
   7
   8 import org.osgi.framework.BundleActivator;
   9 import org.osgi.framework.BundleContext;
  10
  11
  12 public class Activator implements BundleActivator {
  13
  14         /**
  15          * Name of the log file.
  16          */
  17         public static String LOG_FILE_NAME = "spreadsheet.log";
  18
  19         // The plug-in ID
  20         public static final String BUNDLE_ID = "org.simantics.spreadsheet.common"; //$NON-NLS-1$
  21
  22         // The shared instance
  23         private static Activator plugin;
  24
  25         /**
  26          * The constructor
  27          */
  28         public Activator() {
  29         }
  30
  31         /*
  32          * (non-Javadoc)
  33          * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
  34          */
  35         @Override
  36         public void start(BundleContext context) throws Exception {
  37                 plugin = this;
  38
  39                 String prop = System.getProperty("osgi.instance.area", null);
  40                 if (prop != null) {
  41                         try {
  42                                 URL url = new URL(prop);
  43                                 if ("file".equals(url .getProtocol())) {
  44                                         try {
  45                                                 File path = new File(URLDecoder.decode(url.getPath(), "UTF-8"));
  46                                                 if (!path.exists())
  47                                                         path.mkdirs();
  48                                                 if (path.exists() && path.canWrite()) {
  49                                                         File logFile = new File(path, LOG_FILE_NAME);
  50                                                         if (!logFile.exists() || (logFile.isFile() && logFile.canWrite()))
  51                                                                 LOG_FILE_NAME = logFile.getAbsolutePath();
  52
  53                                                 }
  54                                         } catch (UnsupportedEncodingException e) {
  55                                                 // Should never happen since UTF-8 is always supported.
  56                                         }
  57                                 }
  58                         } catch (MalformedURLException e) {
  59                                 // Ignore.
  60                         }
  61                 }
  62         }
  63
  64         /*
  65          * (non-Javadoc)
  66          * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
  67          */
  68         @Override
  69         public void stop(BundleContext context) throws Exception {
  70                 plugin = null;
  71         }
  72
  73         /**
  74          * Returns the shared instance
  75          *
  76          * @return the shared instance
  77          */
  78         public static Activator getDefault() {
  79                 return plugin;
  80         }
  81
  82 }