/* * 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; /** *
* A simple listener that just echoes events back to the console. *
* * @author Matthew Pocock * @since 1.3 */ public class Echo implements TagValueListener { private int depth = 0; private String indent = ""; public void startRecord() { System.out.println(depth + indent + "["); indent(); } public void endRecord() { outdent(); System.out.println(depth + indent + "]"); } public void startTag(Object tag) { System.out.println(depth + indent + tag + " {"); indent(); } public void endTag() { outdent(); System.out.println(depth + indent + "}"); } private void indent() { depth += 1; indent += " "; } private void outdent() { indent = ""; depth--; for(int i = 0; i < depth; i++) { indent += " "; } } public void value(TagValueContext tvc, Object value) { System.out.println(depth + indent + value); } }