ONOS-3692 Southbound Rest provider and protocol

Change-Id: I74a5752d4fce1df88828fa6c531979ab7c30a26a
t
diff --git a/protocols/rest/api/src/main/java/org/onosproject/protocol/rest/DefaultRestSBDevice.java b/protocols/rest/api/src/main/java/org/onosproject/protocol/rest/DefaultRestSBDevice.java
new file mode 100644
index 0000000..baf26cb
--- /dev/null
+++ b/protocols/rest/api/src/main/java/org/onosproject/protocol/rest/DefaultRestSBDevice.java
@@ -0,0 +1,110 @@
+/*
+ * 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 com.google.common.base.Preconditions;
+import org.onlab.packet.IpAddress;
+import org.onosproject.net.DeviceId;
+
+import java.util.Objects;
+
+/**
+ * Default implementation for Rest devices.
+ */
+public class DefaultRestSBDevice implements RestSBDevice {
+    private static final String REST = "rest";
+    private static final String COLON = ":";
+    private final IpAddress ip;
+    private final int port;
+    private final String name;
+    private final String password;
+    private boolean isActive;
+    private String protocol;
+
+    public DefaultRestSBDevice(IpAddress ip, int port, String name, String password,
+                               String protocol, boolean isActive) {
+        Preconditions.checkNotNull(ip, "IP address cannot be null");
+        Preconditions.checkArgument(port > 0, "Port address cannot be negative");
+        Preconditions.checkNotNull(protocol, "protocol address cannot be null");
+        this.ip = ip;
+        this.port = port;
+        this.name = name;
+        this.password = password;
+        this.isActive = isActive;
+        this.protocol = protocol;
+    }
+
+    @Override
+    public IpAddress ip() {
+        return ip;
+    }
+
+    @Override
+    public int port() {
+        return port;
+    }
+
+    @Override
+    public String name() {
+        return name;
+    }
+
+    @Override
+    public String password() {
+        return password;
+    }
+
+    @Override
+    public DeviceId deviceId() {
+        return DeviceId.deviceId(REST + COLON + ip + COLON + port);
+    }
+
+    @Override
+    public void setActive(boolean active) {
+        isActive = active;
+    }
+
+    @Override
+    public boolean isActive() {
+        return isActive;
+    }
+
+    @Override
+    public String protocol() {
+        return protocol;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        }
+        if (!(obj instanceof RestSBDevice)) {
+            return false;
+        }
+        RestSBDevice device = (RestSBDevice) obj;
+        return this.name.equals(device.name()) && this.ip.equals(device.ip()) &&
+                this.port == device.port();
+
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(ip, port);
+    }
+
+}