code: /*******************************************************************************
   * Copyright 2018 572682
   * 
   * 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 us.dot.its.jpo.ode.model;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public enum OdeRequestType {
     Subscription("sub"), Query("qry"), Test("tst"), Deposit("dep");
  
     private static List<String> shortNames = shortNamesAsList();
     private final String shortName;
  
     private OdeRequestType(String shortName) {
        this.shortName = shortName;
     }
  
     public String getShortName() {
        return shortName;
     }
     
     public static OdeRequestType getByShortName(String shortName) {
        OdeRequestType result = null;
        
        for (OdeRequestType value : OdeRequestType.values()) {
           if (shortName.equals(value.getShortName())) {
              result = value;
              break;
           }
        }
        return result;
     }
     
     public static String shortNames() {
        return shortNamesAsList().toString();
     }
  
     public static List<String> shortNamesAsList() {
        if (shortNames == null) {
           shortNames = new ArrayList<String>();
           
           for (OdeRequestType value : OdeRequestType.values()) {
              shortNames.add(value.getShortName());
           }
        }
        return shortNames;
     }
  }
  