Moving DHCP to onos branch. REST API included, GUI to be added later.

Change-Id: Id52781ba93d48ad1d56097a9ceff7613a190c48e
diff --git a/apps/onos-app-dhcp/src/main/java/org/onosproject/dhcp/cli/DHCPLeaseDetails.java b/apps/onos-app-dhcp/src/main/java/org/onosproject/dhcp/cli/DHCPLeaseDetails.java
new file mode 100644
index 0000000..ca70418
--- /dev/null
+++ b/apps/onos-app-dhcp/src/main/java/org/onosproject/dhcp/cli/DHCPLeaseDetails.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2014 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.dhcp.cli;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.dhcp.DHCPService;
+
+/**
+ * Lists all the default lease parameters offered by the DHCP Server.
+ */
+@Command(scope = "onos", name = "dhcp-lease",
+        description = "Lists all the default lease parameters offered by the DHCP Server")
+public class DHCPLeaseDetails extends AbstractShellCommand {
+
+    private static final String DHCP_LEASE_FORMAT = "Lease Time: %ds\nRenewal Time: %ds\nRebinding Time: %ds";
+
+    @Override
+    protected void execute() {
+
+        DHCPService dhcpService = AbstractShellCommand.get(DHCPService.class);
+        int leaseTime = dhcpService.getLeaseTime();
+        int renewTime = dhcpService.getRenewalTime();
+        int rebindTime = dhcpService.getRebindingTime();
+
+        print(DHCP_LEASE_FORMAT, leaseTime, renewTime, rebindTime);
+    }
+}