/*
    * Copyright 2001-2008 The Apache Software Foundation.
    * 
    * 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.apache.juddi.api.util;
  
  import java.util.ArrayList;
  import java.util.Hashtable;
  import java.util.List;
  
  /**
   * Enum to represent the queries within the Inquiry API.
   * 
   * @author <a href="mailto:tcunning@apache.org">Tom Cunningham</a>
   */
  public enum InquiryQuery implements UDDIQuery {
      FIND_BUSINESS ("find_business"),
      FIND_SERVICE ("find_service"),
      FIND_BINDING ("find_binding"), 
      FIND_TMODEL ("find_tModel"),
      FIND_RELATEDBUSINESSES ("find_relatedBusinesses"),
      GET_BUSINESSDETAIL ("get_businessDetail"),
      GET_SERVICEDETAIL ("get_serviceDetail"),
      GET_BINDINGDETAIL ("get_bindingDetail"),
      GET_TMODELDETAIL ("get_tModelDetail"),
      GET_OPERATIONALINFO ("get_operationalInfo");
      
      private String _query;
      private static Hashtable<String,InquiryQuery> _inquiryQueries = null;
      
      InquiryQuery(final String query) {
          _query = query;
      }
      
      public String getQuery() {
          return _query;
      }
      
      public synchronized static void initInquiryQueries () {
          if (_inquiryQueries == null) {
              _inquiryQueries = new Hashtable();        
              _inquiryQueries.put("find_business", InquiryQuery.FIND_BUSINESS);
              _inquiryQueries.put("find_service", InquiryQuery.FIND_SERVICE);
              _inquiryQueries.put("find_binding", InquiryQuery.FIND_BINDING);
              _inquiryQueries.put("find_tModel", InquiryQuery.FIND_TMODEL);
              _inquiryQueries.put("find_relatedBusinesses", InquiryQuery.FIND_RELATEDBUSINESSES);
              _inquiryQueries.put("get_businessDetail", InquiryQuery.GET_BUSINESSDETAIL);
              _inquiryQueries.put("get_serviceDetail", InquiryQuery.GET_SERVICEDETAIL);
              _inquiryQueries.put("get_bindingDetail", InquiryQuery.GET_BINDINGDETAIL);
              _inquiryQueries.put("get_tModelDetail", InquiryQuery.GET_TMODELDETAIL);
              _inquiryQueries.put("get_operationalInfo", InquiryQuery.GET_OPERATIONALINFO);
          }
      }
      
      public static List<String> getQueries() {
          if (_inquiryQueries == null) {
              initInquiryQueries();
          }
          
          List list = new ArrayList<String>(_inquiryQueries.keySet());
          return list;
      }
          
      /**
       * this doesn't appear to be used anywhere and will be removed in a future version
       * @param query
       * @return
       * @deprecated
       */
      @Deprecated
      public static InquiryQuery fromQuery(final String query) {
          if (_inquiryQueries == null) {
              initInquiryQueries();
          }
          
          if (_inquiryQueries.contains(query)) {
              return _inquiryQueries.get(query);
          } else {
              throw new IllegalArgumentException("Unrecognized query " + query);
          }
      }    
  }