[ONOS-2826] add floatingIp service cli

Change-Id: I5681397f8b0fd28f361517df1349916abb4df0a2
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/floatingip/FloatingIpQueryCommand.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/floatingip/FloatingIpQueryCommand.java
new file mode 100644
index 0000000..c441d53
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/floatingip/FloatingIpQueryCommand.java
@@ -0,0 +1,92 @@
+/*
+ * 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.vtnrsc.cli.floatingip;
+
+import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.commands.Option;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.vtnrsc.FloatingIpId;
+import org.onosproject.vtnrsc.FloatingIp;
+import org.onosproject.vtnrsc.floatingip.FloatingIpService;
+
+/**
+ * Supports for query a floating IP.
+ */
+@Command(scope = "onos", name = "floatingips", description = "Supports for querying a floating IP")
+public class FloatingIpQueryCommand extends AbstractShellCommand {
+    @Option(name = "-I", aliases = "--id", description = "The floating IP identifier",
+            required = false, multiValued = false)
+    String id = null;
+
+    @Option(name = "-i", aliases = "--fixedIp", description = "The fixed IP of floating IP",
+            required = false, multiValued = false)
+    String fixedIp = null;
+
+    @Option(name = "-l", aliases = "--floatingIp", description = "The floating IP of floating IP",
+            required = false, multiValued = false)
+    String floatingIp = null;
+
+    private static final String FMT = "floatingIpId=%s, networkId=%s, tenantId=%s, portId=%s,"
+            + "routerId=%s, fixedIp=%s, floatingIp=%s, status=%s";
+
+    @Override
+    protected void execute() {
+        FloatingIpService service = get(FloatingIpService.class);
+        if (id != null) {
+            FloatingIp floatingIp = service.getFloatingIp(FloatingIpId
+                    .of(id));
+            printFloatingIp(floatingIp);
+        } else if (fixedIp != null || floatingIp != null) {
+            Iterable<FloatingIp> floatingIps = service.getFloatingIps();
+            if (floatingIps == null) {
+                return;
+            }
+            if (fixedIp != null) {
+                for (FloatingIp floatingIp : floatingIps) {
+                    if (floatingIp.fixedIp().toString().equals(fixedIp)) {
+                        printFloatingIp(floatingIp);
+                        return;
+                    }
+                }
+                print(null, "The fixedIp is not existed");
+            }
+            if (floatingIp != null) {
+                for (FloatingIp floatingIpObj : floatingIps) {
+                    if (floatingIpObj.fixedIp().toString().equals(floatingIp)) {
+                        printFloatingIp(floatingIpObj);
+                        return;
+                    }
+                }
+                print(null, "The floatingIp is not existed");
+            }
+        } else {
+            Iterable<FloatingIp> floatingIps = service.getFloatingIps();
+            if (floatingIps == null) {
+                return;
+            }
+            for (FloatingIp floatingIp : floatingIps) {
+                printFloatingIp(floatingIp);
+            }
+        }
+    }
+
+    private void printFloatingIp(FloatingIp floatingIp) {
+        print(FMT, floatingIp.id(), floatingIp.networkId(),
+              floatingIp.tenantId(), floatingIp.portId(),
+              floatingIp.routerId(), floatingIp.fixedIp(),
+              floatingIp.floatingIp(), floatingIp.status());
+    }
+}