[ONOS-3253/3144] Insert support for Netconf device configuration, set and get controllers commands

Change-Id: I99188aa18207b9d0b0d935b9f9e61e547f4ddab1
diff --git a/netconf/api/src/main/java/org/onosproject/netconf/NetconfDeviceInfo.java b/netconf/api/src/main/java/org/onosproject/netconf/NetconfDeviceInfo.java
new file mode 100644
index 0000000..cb0e240
--- /dev/null
+++ b/netconf/api/src/main/java/org/onosproject/netconf/NetconfDeviceInfo.java
@@ -0,0 +1,173 @@
+/*
+ * 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.netconf;
+
+import com.google.common.base.Preconditions;
+import org.onlab.packet.IpAddress;
+import org.onosproject.net.DeviceId;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Objects;
+
+/**
+ * Represents a Netconf device information.
+ */
+public class NetconfDeviceInfo {
+
+    public static final Logger log = LoggerFactory
+            .getLogger(NetconfDeviceInfo.class);
+
+    private String name;
+    private String password;
+    private IpAddress ipAddress;
+    private int port;
+    private File keyFile;
+
+
+    /**
+     * Information for contacting the controller.
+     *
+     * @param name      the connection type
+     * @param password  the password for the device
+     * @param ipAddress the ip address
+     * @param port      the tcp port
+     */
+    public NetconfDeviceInfo(String name, String password, IpAddress ipAddress,
+                             int port) {
+        Preconditions.checkArgument(!name.equals(""), "Empty device name");
+        Preconditions.checkNotNull(port > 0, "Negative port");
+        Preconditions.checkNotNull(ipAddress, "Null ip address");
+        this.name = name;
+        this.password = password;
+        this.ipAddress = ipAddress;
+        this.port = port;
+    }
+
+    /**
+     * Information for contacting the controller.
+     *
+     * @param name      the connection type
+     * @param password  the password for the device
+     * @param ipAddress the ip address
+     * @param port      the tcp port
+     * @param keyString the string cointaing the key.
+     */
+    public NetconfDeviceInfo(String name, String password, IpAddress ipAddress,
+                             int port, String keyString) {
+        Preconditions.checkArgument(!name.equals(""), "Empty device name");
+        Preconditions.checkNotNull(port > 0, "Negative port");
+        Preconditions.checkNotNull(ipAddress, "Null ip address");
+        this.name = name;
+        this.password = password;
+        this.ipAddress = ipAddress;
+        this.port = port;
+        this.keyFile = new File(keyString);
+    }
+
+    /**
+     * Exposes the name of the controller.
+     *
+     * @return String name
+     */
+    public String name() {
+        return name;
+    }
+
+    /**
+     * Exposes the password of the controller.
+     *
+     * @return String password
+     */
+    public String password() {
+        return password;
+    }
+
+    /**
+     * Exposes the ip address of the controller.
+     *
+     * @return IpAddress ip address
+     */
+    public IpAddress ip() {
+        return ipAddress;
+    }
+
+    /**
+     * Exposes the port of the controller.
+     *
+     * @return int port address
+     */
+    public int port() {
+        return port;
+    }
+
+    /**
+     * Exposes the keyFile of the controller.
+     *
+     * @return int port address
+     */
+    public File getKeyFile() {
+        return keyFile;
+    }
+
+    /**
+     * Return the info about the device in a string.
+     * String format: "netconf:name@ip:port"
+     *
+     * @return String device info
+     */
+    public String toString() {
+        return "netconf:" + name + "@" + ipAddress + ":" + port;
+    }
+
+    /**
+     * Return the DeviceId about the device containing the URI.
+     *
+     * @return DeviceId
+     */
+    public DeviceId getDeviceId() {
+
+        try {
+            return DeviceId.deviceId(new URI(this.toString()));
+        } catch (URISyntaxException e) {
+            log.debug("Unable to build deviceID for device {} ", this, e);
+        }
+        return null;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(ipAddress, port, name);
+    }
+
+    @Override
+    public boolean equals(Object toBeCompared) {
+        if (toBeCompared instanceof NetconfDeviceInfo) {
+            NetconfDeviceInfo netconfDeviceInfo = (NetconfDeviceInfo) toBeCompared;
+            if (netconfDeviceInfo.name().equals(name)
+                    && netconfDeviceInfo.ip().equals(ipAddress)
+                    && netconfDeviceInfo.port() == port
+                    && netconfDeviceInfo.password().equals(password)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}