ONOS-3692 Southbound Rest provider and protocol

Change-Id: I74a5752d4fce1df88828fa6c531979ab7c30a26a
t
diff --git a/protocols/rest/api/src/main/java/org/onosproject/protocol/rest/RestSBDevice.java b/protocols/rest/api/src/main/java/org/onosproject/protocol/rest/RestSBDevice.java
new file mode 100644
index 0000000..6b76989
--- /dev/null
+++ b/protocols/rest/api/src/main/java/org/onosproject/protocol/rest/RestSBDevice.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2016 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.protocol.rest;
+
+import org.onlab.packet.IpAddress;
+import org.onosproject.net.DeviceId;
+
+/**
+ * Represents an abstraction of a Rest Device in ONOS.
+ */
+public interface RestSBDevice {
+    /**
+     * Returns the ip of this device.
+     *
+     * @return ip
+     */
+    IpAddress ip();
+
+    /**
+     * Returns the password of this device.
+     *
+     * @return port
+     */
+    int port();
+
+    /**
+     * Returns the name of this device.
+     *
+     * @return name
+     */
+    String name();
+
+    /**
+     * Returns the password of this device.
+     *
+     * @return password
+     */
+    String password();
+
+    /**
+     * Returns the ONOS deviceID for this device.
+     *
+     * @return DeviceId
+     */
+    DeviceId deviceId();
+
+    /**
+     * Sets or unsets the state of the device.
+     *
+     * @param active boolean
+     */
+    void setActive(boolean active);
+
+    /**
+     * Returns the state of this device.
+     *
+     * @return state
+     */
+    boolean isActive();
+
+    /**
+     * Returns the protocol for the REST request, usually HTTP o HTTPS.
+     *
+     * @return protocol
+     */
+    String protocol();
+
+}