--- /dev/null
+package jalview.ws;
+
+import jalview.ws.seqfetcher.ASequenceFetcher;
+
+public class SequenceFetcherFactory
+{
+
+ private static SequenceFetcher instance;
+
+ /**
+ * Returns a new SequenceFetcher object, or a mock object if one has been set
+ *
+ * @return
+ */
+ public static ASequenceFetcher getSequenceFetcher()
+ {
+ return instance == null ? new SequenceFetcher() : instance;
+ }
+
+ /**
+ * Set the instance object to use (intended for unit testing with mock
+ * objects).
+ *
+ * Be sure to reset to null in the tearDown method of any tests!
+ *
+ * @param sf
+ */
+ public static void setSequenceFetcher(SequenceFetcher sf)
+ {
+ instance = sf;
+ }
+}