/* * 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; /** *
* Interface for TagValueListeners that wrap other TagValueListeners *
* ** Implementations will tend to intercept the tags or values as they stream * through and modify them in some manner before forwarding them to the delegate * listener. Using classes derived from SimpleTagValueWrapper, it is possible to build * up complex chains of handlers that process and collate information as it * streams through. *
* * @author Matthew Pocock * @author David Huen (conversion to interface) * @since 1.2 */ public interface TagValueWrapper extends TagValueListener { /** * get listener to which all calls will be delegated */ public TagValueListener getDelegate(); /** * set listener to which all calls will be delegated */ public void setDelegate(TagValueListener delegate); }