Metacat

/**

 *  '$RCSfile$'

 *    Purpose: a class to handle document info request xml strings

 *  Copyright: 2000 Regents of the University of California and the

 *             National Center for Ecological Analysis and Synthesis

 *    Authors: Chad Berkley

 *

 *   '$Author: daigle $'

 *     '$Date: 2009-10-30 15:39:35 -0700 (Fri, 30 Oct 2009) $'

 * '$Revision: 5098 $'

 *

 * This program 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 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

package edu.ucsb.nceas.metacat;

import java.util.Vector;

import java.util.Hashtable;

import org.xml.sax.Attributes;

import org.xml.sax.SAXException;

import org.xml.sax.helpers.DefaultHandler;

import edu.ucsb.nceas.metacat.accesscontrol.AccessControlList;

import edu.ucsb.nceas.metacat.accesscontrol.XMLAccessDAO;

/** 

 * A Class implementing callback bethods for the SAX parser to

 * call when processing the XML messages from the replication handler

 */

public class DocInfoHandler extends DefaultHandler 

{

  private Hashtable<String,String> docinfo = new Hashtable<String,String>();

  private String currentTag = null;

  private Vector<XMLAccessDAO> xmlAccessDAOList = new Vector<XMLAccessDAO>();

  public DocInfoHandler()

  {

  }

  /**

   *  capture the name of the tag.

   */

  public void startElement(String uri, String localName, String qName, 

                           Attributes attributes) throws SAXException

  {

    currentTag = localName;

  }

  public void endElement (String uri, String localName, String qName)

	throws SAXException

  {

	  if (localName.equals("access")) {

		  //harvest the latest values from the Map

		  String docid = (String) docinfo.get("docid");

		  String principal = (String) docinfo.get("principal");

          String permission = (String) docinfo.get("permission");

          String permType = (String) docinfo.get("permType");

          String permOrder = (String) docinfo.get("permOrder");

          XMLAccessDAO xmlAccessDAO = null;

		try {

			xmlAccessDAO = new XMLAccessDAO();

			xmlAccessDAO.setDocId(docid);

			xmlAccessDAO.setPrincipalName(principal);

			xmlAccessDAO.setPermission(new Long(AccessControlList.intValue(permission)));

			xmlAccessDAO.setPermType(permType);

			xmlAccessDAO.setPermOrder(permOrder);

		} catch (Exception e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}	

		xmlAccessDAOList.add(xmlAccessDAO);

	  }

  }

  /**

   * put the content and the name of the tag into the hashtable.  the name of

   * the tag is the key.

   */

  public void characters(char[] ch, int start, int length) throws SAXException

  {

    docinfo.put(currentTag, new String(ch, start, length));

  }

  public Hashtable<String,String> getDocInfo()

  {

    return docinfo;

  }

  public Vector<XMLAccessDAO> getAccessControlList() {

	  return xmlAccessDAOList;

  }

}