content: //
  // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you 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 com.cloud.network.resource;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import com.cloud.agent.api.CreateLogicalSwitchPortCommand;
  import com.cloud.network.nicira.LogicalSwitch;
  import com.cloud.network.nicira.LogicalSwitchPort;
  import com.cloud.network.nicira.NiciraNvpTag;
  import com.cloud.network.nicira.VifAttachment;
  
  public class NiciraNvpUtilities {
  
      private static NiciraNvpUtilities instance;
  
      static {
          instance = new NiciraNvpUtilities();
      }
  
      private NiciraNvpUtilities() {
      }
  
      public static NiciraNvpUtilities getInstance() {
          return instance;
      }
  
      public LogicalSwitch createLogicalSwitch() {
          final LogicalSwitch logicalSwitch = new LogicalSwitch();
          return logicalSwitch;
      }
  
      public LogicalSwitchPort createLogicalSwitchPort(final CreateLogicalSwitchPortCommand command) {
          final String attachmentUuid = command.getAttachmentUuid();
  
          // Tags set to scope cs_account and account name
          final List<NiciraNvpTag> tags = new ArrayList<NiciraNvpTag>();
          tags.add(new NiciraNvpTag("cs_account", command.getOwnerName()));
  
          final LogicalSwitchPort logicalSwitchPort = new LogicalSwitchPort(attachmentUuid, tags, true);
          return logicalSwitchPort;
      }
  
      public VifAttachment createVifAttachment(final String attachmentUuid) {
          return new VifAttachment(attachmentUuid);
      }
  }
  