+ public static final String COMPBIO_JABAWS = "http://www.compbio.dundee.ac.uk/jabaws";
+
+ /*
+ * the .jalview_properties entry for JWS2 URLS
+ */
+ final static String JWS2HOSTURLS = "JWS2HOSTURLS";
+
+ /*
+ * Singleton instance
+ */
+ private static Jws2Discoverer discoverer;
+
+ /*
+ * Override for testing only
+ */
+ private static List<String> testUrls = null;
+
+ // preferred url has precedence over others
+ private String preferredUrl;
+
+ private PropertyChangeSupport changeSupport = new PropertyChangeSupport(