[ONOS-7731] Update api interface & implementation of openstack vtap app
Change-Id: I7c3c7888b00a7357b13e3b1756e9cd0a1bb6a5c0
diff --git a/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/gui/OpenstackVtapUI.java b/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/gui/OpenstackVtapUI.java
new file mode 100644
index 0000000..c68c338
--- /dev/null
+++ b/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/gui/OpenstackVtapUI.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2018-present 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.openstackvtap.gui;
+
+import com.google.common.collect.ImmutableList;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.ui.UiExtensionService;
+import org.onosproject.ui.UiMessageHandlerFactory;
+import org.onosproject.ui.UiTopoOverlayFactory;
+import org.onosproject.ui.UiView;
+import org.onosproject.ui.UiViewHidden;
+import org.onosproject.ui.UiExtension;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+/**
+ * Mechanism to stream data to the GUI.
+ */
+@Component(immediate = true, enabled = true)
+@Service(value = OpenstackVtapUI.class)
+public class OpenstackVtapUI {
+ private static final String OPENSTACK_VTAP_ID = "openstackvtap";
+ private static final String RESOURCE_PATH = "gui";
+ private static final ClassLoader CL = OpenstackVtapUI.class.getClassLoader();
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected UiExtensionService uiExtensionService;
+
+ // Factory for UI message handlers
+ private final UiMessageHandlerFactory messageHandlerFactory =
+ () -> ImmutableList.of(new OpenstackVtapViewMessageHandler());
+
+ // List of application views
+ private final List<UiView> views = ImmutableList.of(
+ new UiViewHidden(OPENSTACK_VTAP_ID)
+ );
+
+ // Factory for UI topology overlays
+ private final UiTopoOverlayFactory topoOverlayFactory =
+ () -> ImmutableList.of(
+ new OpenstackVtapUiTopovOverlay()
+ );
+
+ // Application UI extension
+ private final UiExtension uiExtension =
+ new UiExtension.Builder(CL, views)
+ .messageHandlerFactory(messageHandlerFactory)
+ .resourcePath(RESOURCE_PATH)
+ .topoOverlayFactory(topoOverlayFactory)
+ .build();
+
+ @Activate
+ protected void activate() {
+ uiExtensionService.register(uiExtension);
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ uiExtensionService.unregister(uiExtension);
+ log.info("Stopped");
+ }
+}