001/*
002 *                    BioJava development code
003 *
004 * This code may be freely distributed and modified under the
005 * terms of the GNU Lesser General Public Licence.  This should
006 * be distributed with the code.  If you do not have a copy,
007 * see:
008 *
009 *      http://www.gnu.org/copyleft/lesser.html
010 *
011 * Copyright for this code is held jointly by the individual
012 * authors.  These should be listed in @author doc comments.
013 *
014 * For more information on the BioJava project and its aims,
015 * or to join the biojava-l mailing list, visit the home page
016 * at:
017 *
018 *      http://www.biojava.org/
019 *
020 */
021package org.biojava.bio.seq.io.agave;
022import org.biojava.utils.ChangeVetoException;
023import org.xml.sax.SAXException;
024
025/**
026 * Deals with AGAVE keywords
027 *
028 * @author Hanning Ni    Doubletwist Inc
029 */
030public class AGAVEKeywordPropHandler
031               extends StAXPropertyHandler
032{
033  // set up factory method
034  public static final StAXHandlerFactory AGAVE_KEYWORD_PROP_HANDLER_FACTORY
035    = new StAXHandlerFactory() {
036    public StAXContentHandler getHandler(StAXFeatureHandler staxenv) {
037      return new AGAVEKeywordPropHandler(staxenv);
038    }
039  };
040
041
042  AGAVEKeywordPropHandler(StAXFeatureHandler staxenv) {
043    // execute superclass method to setup environment
044    super(staxenv);
045    setHandlerCharacteristics("keyword", true);
046  }
047
048   public void characters(char[] ch, int start, int length)
049        throws SAXException
050  {
051      try{
052         String kw = (String) UtilHelper.getProperty(staxenv.featureTemplate.annotation,"keyword");
053         if( kw != null )
054             kw = kw + "<keyword>" +  new String( ch ) + "</keyword>" + "\n" ;
055         else
056         {
057             kw = "<keyword>" +  new String( ch ) + "</keyword>" + "\n" ;
058         }
059         staxenv.featureTemplate.annotation.setProperty("keyword", kw);
060      }catch (ChangeVetoException cve) {
061        throw new SAXException(" change veto exception ") ;
062    }
063  }
064
065}