Adding support for user interface extensions.
Change-Id: I1e41d16efc11be31ad4c2fb0c09e86e3dfd26706
diff --git a/core/api/src/main/java/org/onosproject/ui/UiView.java b/core/api/src/main/java/org/onosproject/ui/UiView.java
new file mode 100644
index 0000000..2f2bc0e
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/ui/UiView.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.ui;
+
+import com.google.common.base.MoreObjects;
+
+import java.util.Objects;
+
+/**
+ * Represents user interface view addition.
+ */
+public class UiView {
+
+ private final String id;
+ private final String label;
+
+ /**
+ * Creates a new user interface view descriptor.
+ *
+ * @param id view identifier
+ * @param label view label
+ */
+ public UiView(String id, String label) {
+ this.id = id;
+ this.label = label;
+ }
+
+ /**
+ * Returns the view identifier.
+ *
+ * @return view id
+ */
+ public String id() {
+ return id;
+ }
+
+ /**
+ * Returns the view label.
+ *
+ * @return view label
+ */
+ public String label() {
+ return label;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(id);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null || getClass() != obj.getClass()) {
+ return false;
+ }
+ final UiView other = (UiView) obj;
+ return Objects.equals(this.id, other.id);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("id", id)
+ .add("label", label)
+ .toString();
+ }
+}