vpnservice/elanmanager/elanmanager-impl/src/main/java/org/opendaylight/netvirt/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.netvirt.elan.cli;
   9
  10 import java.util.List;
  11 import org.apache.karaf.shell.commands.Argument;
  12 import org.apache.karaf.shell.commands.Command;
  13 import org.apache.karaf.shell.console.OsgiCommandSupport;
  14 import org.opendaylight.netvirt.elan.utils.ElanCLIUtils;
  15 import org.opendaylight.netvirt.elanmanager.api.IElanService;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 @Command(scope = "elan", name = "show", description = "display Elan Instance")
  21 public class ElanGet extends OsgiCommandSupport {
  22
  23     private static final Logger LOG = LoggerFactory.getLogger(ElanGet.class);
  24
  25     @Argument(index = 0, name = "elanName", description = "ELAN-NAME", required = false, multiValued = false)
  26     private String elanName;
  27     private IElanService elanProvider;
  28
  29     public void setElanProvider(IElanService elanServiceProvider) {
  30         this.elanProvider = elanServiceProvider;
  31     }
  32
  33     @Override
  34     protected Object doExecute() throws Exception {
  35         LOG.debug("Executing Get ElanInstance command" + "\t" + elanName +  "\t");
  36         if (elanName != null) {
  37             ElanInstance elanInstance = elanProvider.getElanInstance(elanName);
  38             if (elanInstance == null) {
  39                 session.getConsole().println("No Elan Instance present with name:" + elanName);
  40             } else {
  41                 session.getConsole().println(getElanHeaderOutput());
  42                 session.getConsole()
  43                         .println(String.format(ElanCLIUtils.ELAN_INTERFACE_CLI_FORMAT,
  44                                 elanInstance.getElanInstanceName(),
  45                                 elanInstance.getMacTimeout(), elanInstance.getElanTag(),
  46                                 elanInstance.getDescription()));
  47             }
  48
  49         } else {
  50             List<ElanInstance> elanInstanceList = elanProvider.getElanInstances();
  51             if (elanInstanceList != null && !elanInstanceList.isEmpty()) {
  52                 session.getConsole().println(getElanHeaderOutput());
  53                 for (ElanInstance elanInstance : elanInstanceList) {
  54                     session.getConsole()
  55                             .println(String.format(ElanCLIUtils.ELAN_INTERFACE_CLI_FORMAT,
  56                                     elanInstance.getElanInstanceName(),
  57                                     elanInstance.getMacTimeout(), elanInstance.getElanTag(),
  58                                     elanInstance.getDescription()));
  59                 }
  60             } else {
  61                 session.getConsole().println("No Elan Instances are present");
  62             }
  63         }
  64         return null;
  65     }
  66
  67     private Object getElanHeaderOutput() {
  68         StringBuilder headerBuilder = new StringBuilder();
  69         headerBuilder.append(String.format(ElanCLIUtils.ELAN_CLI_FORMAT, "Elan Instance", "Mac-TimeOut", "Tag"));
  70         headerBuilder.append('\n');
  71         headerBuilder.append(ElanCLIUtils.HEADER_UNDERLINE);
  72         return headerBuilder.toString();
  73     }
  74 }
  75