/*
    * Licensed to The Apereo Foundation under one or more contributor license
    * agreements. See the NOTICE file distributed with this work for additional
    * information regarding copyright ownership.
    *
    *
    * The Apereo Foundation licenses this file to you under the Educational
    * Community 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://opensource.org/licenses/ecl2.txt
   *
   * 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.opencastproject.oaipmh.persistence.impl;
  
  import org.opencastproject.mediapackage.MediaPackageElementFlavor;
  import org.opencastproject.mediapackage.MediaPackageElements;
  import org.opencastproject.metadata.dublincore.DublinCoreCatalog;
  import org.opencastproject.metadata.dublincore.DublinCoreXmlFormat;
  import org.opencastproject.oaipmh.persistence.OaiPmhDatabaseException;
  import org.opencastproject.oaipmh.persistence.OaiPmhElementEntity;
  import org.opencastproject.oaipmh.persistence.SearchResultElementItem;
  
  
  public class SearchResultElementItemImpl implements SearchResultElementItem {
  
    private final String elementType;
    private final String flavor;
    private final String xml;
  
    public SearchResultElementItemImpl(final OaiPmhElementEntity entity) {
      this(entity.getElementType(), entity.getFlavor(), entity.getXml());
    }
  
    public SearchResultElementItemImpl(final String elementType, final String flavor, final String xml) {
      this.elementType = elementType;
      this.flavor = flavor;
      this.xml = xml;
    }
  
    @Override
    public String getType() {
      return elementType.toLowerCase();
    }
  
    @Override
    public String getFlavor() {
      return flavor;
    }
  
    @Override
    public String getXml() {
      return xml;
    }
  
    @Override
    public boolean isEpisodeDublinCore() {
      return MediaPackageElementFlavor.parseFlavor(getFlavor()).matches(MediaPackageElements.EPISODE);
    }
  
    @Override
    public boolean isSeriesDublinCore() {
      return MediaPackageElementFlavor.parseFlavor(getFlavor()).matches(MediaPackageElements.SERIES);
    }
  
    @Override
    public DublinCoreCatalog asDublinCore() throws OaiPmhDatabaseException {
      if (isEpisodeDublinCore() || isSeriesDublinCore())
        try {
          return DublinCoreXmlFormat.read(getXml());
      } catch (Exception ex) {
        throw new OaiPmhDatabaseException("Can not parse dublincore catalog", ex);
      }
  
      throw new OaiPmhDatabaseException("This element isn't a dublincore catalog");
    }
  }