ELAN FT Support for BE
[vpnservice.git] / elanmanager / elanmanager-impl / src / main / java / org / opendaylight / vpnservice / elan / cli / ElanGet.java
1 /*
2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8 package org.opendaylight.vpnservice.elan.cli;
9
10 import org.apache.karaf.shell.commands.Argument;
11 import org.apache.karaf.shell.commands.Command;
12 import org.apache.karaf.shell.console.OsgiCommandSupport;
13 import org.opendaylight.elanmanager.api.IElanService;
14 import org.opendaylight.vpnservice.elan.utils.ElanCLIUtils;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
16 import org.slf4j.Logger;
17 import org.slf4j.LoggerFactory;
18
19 import java.util.List;
20
21 @Command(scope = "elan", name = "show", description = "display Elan Instance")
22 public class ElanGet extends OsgiCommandSupport {
23
24     private static final Logger logger = LoggerFactory.getLogger(ElanGet.class);
25
26     @Argument(index = 0, name = "elanName", description = "ELAN-NAME", required = false, multiValued = false)
27     private String elanName;
28     private IElanService elanProvider;
29
30     public void setElanProvider(IElanService elanServiceProvider) {
31         this.elanProvider = elanServiceProvider;
32     }
33
34     @Override
35     protected Object doExecute() {
36         try {
37             logger.debug("Executing Get ElanInstance command" + "\t" + elanName +  "\t");
38             if(elanName != null) {
39                 ElanInstance elanInstance = elanProvider.getElanInstance(elanName);
40                 if (elanInstance == null) {
41                     System.out.println("No Elan Instance present with name:" + elanName);
42                 } else {
43                     System.out.println(getElanHeaderOutput());
44                     System.out.println(String.format(ElanCLIUtils.ELAN_CLI_FORMAT, elanInstance.getElanInstanceName(), elanInstance.getMacTimeout(), elanInstance.getElanTag(), elanInstance.getDescription()));
45                 }
46
47             } else {
48                List<ElanInstance> elanInstanceList = elanProvider.getElanInstances();
49                 if(elanInstanceList != null && !elanInstanceList.isEmpty()) {
50                     System.out.println(getElanHeaderOutput());
51                     for(ElanInstance elanInstance : elanInstanceList) {
52                         System.out.println(String.format(ElanCLIUtils.ELAN_CLI_FORMAT, elanInstance.getElanInstanceName(), elanInstance.getMacTimeout(), elanInstance.getElanTag(), elanInstance.getDescription()));
53                     }
54                 } else {
55                     System.out.println("No Elan Instances are present");
56                 }
57
58             }
59         } catch (Exception e) {
60             logger.error("Elan Instance failed to get {}", e);
61             e.printStackTrace();
62         }
63         return null;
64     }
65
66     private Object getElanHeaderOutput() {
67         StringBuilder headerBuilder = new StringBuilder();
68         headerBuilder.append(String.format(ElanCLIUtils.ELAN_CLI_FORMAT, "Elan Instance", "Mac-TimeOut", "Tag"));
69         headerBuilder.append('\n');
70         headerBuilder.append(ElanCLIUtils.HEADER_UNDERLINE);
71         return headerBuilder.toString();
72     }
73 }
74