/*
    * Copyright 2009 the original author or authors.
    * 
    * 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.openehealth.ipf.commons.ihe.xds.core.transform.requests.query;
  
  import org.openehealth.ipf.commons.ihe.xds.core.ebxml.EbXMLAdhocQueryRequest;
  import org.openehealth.ipf.commons.ihe.xds.core.requests.query.GetByIdAndCodesQuery;
  import org.openehealth.ipf.commons.ihe.xds.core.transform.requests.QueryParameter;
  
  import static org.apache.commons.lang3.Validate.notNull;
  
  /**
   * Base class of transformers for {@link GetByIdAndCodesQuery}.
   * @param <T>
   *          the actual query type that is transformed by an extending subclass.
   * @author Jens Riemschneider
   */
  public abstract class GetByIDAndCodesQueryTransformer<T extends GetByIdAndCodesQuery> extends AbstractStoredQueryTransformer<T> {
      private final QueryParameter formatCodeParam;
      private final QueryParameter confCodeParam;
      private final QueryParameter confCodeSchemeParam;
      private final QueryParameter uniqueIdParam;
      private final QueryParameter uuidParam; 
      
      /**
       * Constructs the transformer.
       * @param uuidParam
       *          the parameter name of the UUID parameter.
       * @param uniqueIdParam
       *          the parameter name of the unique ID parameter.
       * @param formatCodeParam
       *          the parameter name of the format code.
       * @param formatCodeSchemeParam
       *          the parameter name of the format code scheme.
       * @param confCodeParam
       *          the parameter name of the confidentiality code.
       * @param confCodeSchemeParam
       *          the parameter name of the confidentiality code scheme.
       */
      public GetByIDAndCodesQueryTransformer(QueryParameter uuidParam, QueryParameter uniqueIdParam, QueryParameter formatCodeParam, QueryParameter formatCodeSchemeParam, QueryParameter confCodeParam, QueryParameter confCodeSchemeParam) {
          notNull(uniqueIdParam, "uniqueIdParam cannot be null");
          notNull(uuidParam, "uuidParam cannot be null");        
          notNull(formatCodeParam, "formatCodeParam cannot be null");
          notNull(formatCodeSchemeParam, "formatCodeSchemeParam cannot be null");        
          notNull(confCodeParam, "confCodeParam cannot be null");
          notNull(confCodeSchemeParam, "confCodeSchemeParam cannot be null");
          
          this.formatCodeParam = formatCodeParam;
          this.confCodeParam = confCodeParam;
          this.confCodeSchemeParam = confCodeSchemeParam;
          this.uniqueIdParam = uniqueIdParam;
          this.uuidParam = uuidParam;
      }
  
      /**
       * Transforms the query into its ebXML representation.
       * <p>
       * Does not perform any transformation if one of the parameters is <code>null</code>. 
       * @param query
       *          the query. Can be <code>null</code>.
       * @param ebXML
       *          the ebXML representation. Can be <code>null</code>.
       */
      public void toEbXML(T query, EbXMLAdhocQueryRequest ebXML) {
          if (query == null || ebXML == null) {
              return;
          }
  
          super.toEbXML(query,  ebXML);
  
          QuerySlotHelper slots = new QuerySlotHelper(ebXML);
  
          slots.fromCode(formatCodeParam, query.getFormatCodes());
          slots.fromCode(confCodeParam, query.getConfidentialityCodes());
          slots.fromString(uuidParam, query.getUuid());
          slots.fromString(uniqueIdParam, query.getUniqueId());
      }
  
      /**
       * Transforms the ebXML representation of a query into a query object.
       * <p>
       * Does not perform any transformation if one of the parameters is <code>null</code>. 
       * @param query
       *          the query. Can be <code>null</code>.
       * @param ebXML
       *          the ebXML representation. Can be <code>null</code>.
       */
     public void fromEbXML(T query, EbXMLAdhocQueryRequest ebXML) {
         if (query == null || ebXML == null) {
             return;
         }
 
         super.fromEbXML(query, ebXML);
 
         QuerySlotHelper slots = new QuerySlotHelper(ebXML);
         
         query.setFormatCodes(slots.toCodeList(formatCodeParam));
         query.setConfidentialityCodes(slots.toCodeQueryList(confCodeParam, confCodeSchemeParam));
         query.setUniqueId(slots.toString(uniqueIdParam));
         query.setUuid(slots.toString(uuidParam));
     }
 
 }