+ /**
+ * GA tracker object - actually JGoogleAnalyticsTracker null if tracking not
+ * enabled.
+ */
+ protected static Object tracker = null;
+
+ protected static Class trackerfocus = null;
+
+ protected static Class jgoogleanalyticstracker = null;
+
+ /**
+ * Initialise the google tracker if it is not done already.
+ */
+ public static void initGoogleTracker()
+ {
+ if (tracker == null)
+ {
+ if (jgoogleanalyticstracker == null)
+ {
+ // try to get the tracker class
+ try
+ {
+ jgoogleanalyticstracker = Cache.class
+ .getClassLoader()
+ .loadClass(
+ "com.boxysystems.jgoogleanalytics.JGoogleAnalyticsTracker");
+ trackerfocus = Cache.class.getClassLoader().loadClass(
+ "com.boxysystems.jgoogleanalytics.FocusPoint");
+ } catch (Exception e)
+ {
+ log.debug("com.boxysystems.jgoogleanalytics package is not present - tracking not enabled.");
+ tracker = null;
+ jgoogleanalyticstracker = null;
+ trackerfocus = null;
+ return;
+ }
+ }
+ // now initialise tracker
+ Exception re = null, ex = null;
+ Error err = null;
+ String vrs = "No Version Accessible";
+ try
+ {
+ // Google analytics tracking code for Library Finder
+ tracker = jgoogleanalyticstracker.getConstructor(new Class[]
+ { String.class, String.class, String.class }).newInstance(
+ new Object[]
+ {
+ "Jalview Desktop",
+ (vrs = jalview.bin.Cache.getProperty("VERSION")
+ + "_"
+ + jalview.bin.Cache.getDefault("BUILD_DATE",
+ "unknown")), "UA-9060947-1" });
+ jgoogleanalyticstracker.getMethod("trackAsynchronously",
+ new Class[]
+ { trackerfocus }).invoke(tracker, new Object[]
+ { trackerfocus.getConstructor(new Class[]
+ { String.class }).newInstance(new Object[]
+ { "Application Started." }) });
+ } catch (RuntimeException e)
+ {
+ re = e;
+ } catch (Exception e)
+ {
+ ex = e;
+ } catch (Error e)
+ {
+ err = e;
+ }
+ if (re != null || ex != null || err != null)
+ {
+ if (log != null)
+ {
+ if (re != null)
+ log.debug("Caught runtime exception in googletracker init:", re);
+ if (ex != null)
+ log.warn(
+ "Failed to initialise GoogleTracker for Jalview Desktop with version "
+ + vrs, ex);
+ if (err != null)
+ log.error(
+ "Whilst initing GoogleTracker for Jalview Desktop version "
+ + vrs, err);
+ }
+ else
+ {
+ if (re != null)
+ {
+ System.err
+ .println("Debug: Caught runtime exception in googletracker init:"
+ + vrs);
+ re.printStackTrace();
+ }
+ if (ex != null)
+ {
+ System.err
+ .println("Warning: Failed to initialise GoogleTracker for Jalview Desktop with version "
+ + vrs);
+ ex.printStackTrace();
+ }
+
+ if (err != null)
+ {
+ System.err
+ .println("ERROR: Whilst initing GoogleTracker for Jalview Desktop version "
+ + vrs);
+ err.printStackTrace();
+ }
+ }
+ }
+ else
+ {
+ log.debug("Successfully initialised tracker.");
+ }
+ }
+ }
+