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 java.util.ListIterator;
023
024import org.xml.sax.Attributes;
025import org.xml.sax.SAXException;
026
027/**
028 * xref_property
029 *
030 * @author Hanning Ni    Doubletwist Inc
031 */
032public class AGAVEXrefPropPropHandler  extends StAXPropertyHandler{
033
034
035   public static final StAXHandlerFactory AGAVE_XREF_PROP_PROP_HANDLER_FACTORY
036    = new StAXHandlerFactory() {
037    public StAXContentHandler getHandler(StAXFeatureHandler staxenv) {
038      return new AGAVEXrefPropPropHandler(staxenv);
039    }
040   };
041
042   private String prop_type;
043   private String data_type ;
044   private String value ;
045    AGAVEXrefPropPropHandler(StAXFeatureHandler staxenv) {
046    // execute superclass method to setup environment
047    super(staxenv);
048    setHandlerCharacteristics("xref_property", true);
049  }
050
051  public void startElementHandler(
052                String nsURI,
053                String localName,
054                String qName,
055                Attributes attrs)
056         throws SAXException
057  {
058      prop_type = attrs.getValue( "prop_type" ) ;
059      data_type = attrs.getValue( "data_type" )  ;
060  }
061   public void characters(char[] ch, int start, int length)
062        throws SAXException
063  {
064      value = new String(ch) ;
065  }
066  public void endElementHandler(
067                String nsURI,
068                String localName,
069                String qName,
070                StAXContentHandler handler)
071                throws SAXException
072  {
073       int currLevel = staxenv.getLevel();
074       if (currLevel >=1) {
075           ListIterator li = staxenv.getHandlerStackIterator(currLevel);
076           while( li.hasPrevious() )
077          {
078              Object ob =   li.previous() ;
079              if( ob instanceof AGAVEDbIdPropCallbackItf )
080              {
081                  ( (AGAVEDbIdPropCallbackItf) ob ).addProperty(
082                      new AGAVEProperty(AGAVEProperty.XREF_PROPERTY, prop_type, data_type, value)) ;
083                   return ;
084              }
085           }
086       }
087
088  }
089
090
091}