/*
    * This file is part of ***  M y C o R e  ***
    * See http://www.mycore.de/ for details.
    *
    * MyCoRe is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
   * MyCoRe 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.mycore.common.content;
  
  import java.io.IOException;
  import java.io.OutputStream;
  
  import javax.xml.transform.Source;
  import javax.xml.transform.dom.DOMSource;
  
  import org.jdom2.JDOMException;
  import org.jdom2.input.DOMBuilder;
  import org.jdom2.output.XMLOutputter;
  import org.w3c.dom.Document;
  
  /**
   * Reads MCRContent from a W3C DOM XML document.
   * 
   * @author Frank L\u00FCtzenkichen
   */
  public class MCRDOMContent extends MCRXMLContent {
  
      private Document dom;
  
      /**
       * @param dom the W3C DOM XML document to read from 
       */
      public MCRDOMContent(Document dom) {
          super();
          this.dom = dom;
          super.docType = dom.getDoctype() == null ? dom.getDocumentElement().getLocalName() : dom.getDoctype().getName();
      }
  
      @Override
      public Source getSource() {
          DOMSource source = new DOMSource(dom);
          source.setSystemId(systemId);
          return source;
      }
  
      @Override
      public void sendTo(OutputStream out) throws IOException {
          org.jdom2.Document jdom;
          try {
              jdom = asXML();
          } catch (JDOMException ex) {
              throw new IOException(ex);
          }
          new XMLOutputter(format).output(jdom, out);
      }
  
      @Override
      public org.jdom2.Document asXML() throws JDOMException {
          return new DOMBuilder().build(dom);
      }
  }