Separate the OF Polatis driver

Change-Id: I3678be3e06da9064824e3694e5119f80541fa056
diff --git a/drivers/polatis/openflow/src/main/java/org/onosproject/drivers/polatis/openflow/PolatisDriversLoader.java b/drivers/polatis/openflow/src/main/java/org/onosproject/drivers/polatis/openflow/PolatisDriversLoader.java
new file mode 100644
index 0000000..f484e5d
--- /dev/null
+++ b/drivers/polatis/openflow/src/main/java/org/onosproject/drivers/polatis/openflow/PolatisDriversLoader.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2018 Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.drivers.polatis.openflow;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.net.driver.AbstractDriverLoader;
+import org.onosproject.net.optical.OpticalDevice;
+import org.onosproject.ui.UiGlyph;
+import org.onosproject.ui.UiGlyphFactory;
+import org.onosproject.ui.UiExtensionService;
+
+import com.google.common.collect.ImmutableList;
+
+/**
+ * Loader for Polatis OpenFlow device drivers.
+ */
+@Component(immediate = true)
+public class PolatisDriversLoader extends AbstractDriverLoader {
+
+    // OSGI: help bundle plugin discover runtime package dependency.
+    @SuppressWarnings("unused")
+    private OpticalDevice optical;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected UiExtensionService uiExtensionService;
+
+    private UiGlyphFactory glyphFactory =
+        () -> ImmutableList.of(
+            new UiGlyph("policon", "0 0 64 64",
+                "M 32.024746,2 30.163615,19.069136 24.258784,3.015638 "
+                + "26.879599,19.985033 17.021343,6.007051 23.943688,21.71947 "
+                + "10.8045,10.769161 21.557349,24.15439 6.031794,16.978659 "
+                + "19.883076,27.1245 3.027943,24.21114 19.033986,30.42674 "
+                + "2,31.97526 19.069136,33.83639 3.015638,39.74122 "
+                + "19.985033,37.12041 6.007051,46.97866 21.719466,40.05632 "
+                + "10.769161,53.19551 24.154391,42.44265 16.978659,57.96822 "
+                + "27.124504,44.11693 24.21114,60.97206 30.426738,44.96602 "
+                + "31.975259,62 33.83639,44.93086 39.74122,60.98437 "
+                + "37.120405,44.01497 46.978663,57.99296 40.056317,42.28054 "
+                + "53.195507,53.23084 42.442656,39.84561 57.968215,47.02135 "
+                + "44.116927,36.8755 60.972063,39.78886 44.966018,33.57327 "
+                + "62,32.02475 44.930865,30.16362 60.984369,24.25878 "
+                + "44.014972,26.8796 57.992959,17.021342 42.280539,23.94369 "
+                + "53.23084,10.8045 39.845614,21.55735 47.021349,6.031794 "
+                + "36.875501,19.883076 39.788865,3.027943 33.573267,19.033986 Z "
+                + "m -0.05497,19.23081 A 10.768943,10.768943 0 0 1 "
+                + "42.769201,31.96977 10.768943,10.768943 0 0 1 "
+                + "32.030235,42.7692 10.768943,10.768943 0 0 1 "
+                + "21.230812,32.03023 10.768943,10.768943 0 0 1 "
+                + "31.969778,21.23081 Z")
+            );
+
+    public PolatisDriversLoader() {
+        super("/polatis-openflow-drivers.xml");
+    }
+
+    @Activate
+    @Override
+    protected void activate() {
+        uiExtensionService.register(glyphFactory);
+        super.activate();
+    }
+
+    @Deactivate
+    @Override
+    protected void deactivate() {
+        uiExtensionService.unregister(glyphFactory);
+        super.deactivate();
+    }
+
+}