/* * BioJava development code * * This code may be freely distributed and modified under the * terms of the GNU Lesser General Public Licence. This should * be distributed with the code. If you do not have a copy, * see: * * http://www.gnu.org/copyleft/lesser.html * * Copyright for this code is held jointly by the individual * authors. These should be listed in @author doc comments. * * For more information on the BioJava project and its aims, * or to join the biojava-l mailing list, visit the home page * at: * * http://www.biojava.org/ * */ package org.biojava.bio.program.tagvalue; import org.biojava.utils.ParserException; /** *
* Rename tags using a TagMapper. *
* ** This will rename tags as they stream into this listener using a TagMapper. * Once renamed, the events will be forwarded onto a delegate TagValueListener * for further processing. *
* * @author Matthew Pocock * @since 1.2 */ public class TagRenamer extends SimpleTagValueWrapper { private PropertyChanger mapper; /** * Build a new TagRenamer with a delegate and mapper. * * @param delegate TagValueListener to pass mapped events onto * @param mapper TagMapper used to rename tags */ public TagRenamer(TagValueListener delegate, PropertyChanger mapper) { super(delegate); this.mapper = mapper; } /** * Retrieve the mapper used to rename tags * * @return the current mapper */ public PropertyChanger getMapper() { return mapper; } public void startTag(Object tag) throws ParserException { Object newTag = mapper.getNewTag(tag); if(newTag != null) { tag = newTag; } super.startTag(tag); } }