/* Copyright (2007) Schibsted Søk AS

  * This file is part of SESAT.

  *

  *   SESAT is free software: you can redistribute it and/or modify

  *   it under the terms of the GNU Affero General Public License as published by

  *   the Free Software Foundation, either version 3 of the License, or

  *   (at your option) any later version.

  *

  *   SESAT is distributed in the hope that it will be useful,

  *   but WITHOUT ANY WARRANTY; without even the implied warranty of

  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  *   GNU Affero General Public License for more details.

  *

  *   You should have received a copy of the GNU Affero General Public License

  *   along with SESAT.  If not, see <http://www.gnu.org/licenses/>.

  */

 /*

  * SearchResultModuleParser.java

  *

  */

 package no.sesat.search.view.output.syndication.modules;

 import com.sun.syndication.feed.module.Module;

 import com.sun.syndication.io.ModuleParser;

 import org.jdom.Element;

 /**

  * A parser for the rome module defining the sesam syndication feed format.

  */

 public class SearchResultModuleParser implements ModuleParser {

     /**

      * Creates a new instance of this class.

      */

     public SearchResultModuleParser() {

     }

     /**

      * {@inheritDoc}

      */

     public String getNamespaceUri() {

         return SearchResultModule.URI;

     }

     /**

      * {@inheritDoc}

      */

     public Module parse(final Element root) {

         final SearchResultModule m = new SearchResultModuleImpl();

         boolean touched = false;

         final Element e = root.getChild(SearchResultModule.ELEM_NUMBER_OF_HITS, SearchResultModuleImpl.NS);

         if (e != null) {

             touched = true;

             m.setNumberOfHits(e.getText());

         }

         final Element ageElem = root.getChild(SearchResultModule.ELEM_ARTICLE_AGE, SearchResultModuleImpl.NS);

         if (ageElem != null) {

             touched = true;

             m.setArticleAge(e.getText());

         }

         final Element sourceElem = root.getChild(SearchResultModule.ELEM_NEWS_SOURCE, SearchResultModuleImpl.NS);

         if (sourceElem != null) {

             touched = true;

             m.setNewsSource(e.getText());

         }

         return touched == true ? m : null;

     }

 }