001    /*
002     * JBoss, Home of Professional Open Source.
003     * Copyright 2008, Red Hat Middleware LLC, and individual contributors
004     * as indicated by the @author tags. See the copyright.txt file in the
005     * distribution for a full listing of individual contributors. 
006     *
007     * This is free software; you can redistribute it and/or modify it
008     * under the terms of the GNU Lesser General Public License as
009     * published by the Free Software Foundation; either version 2.1 of
010     * the License, or (at your option) any later version.
011     *
012     * This software is distributed in the hope that it will be useful,
013     * but WITHOUT ANY WARRANTY; without even the implied warranty of
014     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015     * Lesser General Public License for more details.
016     *
017     * You should have received a copy of the GNU Lesser General Public
018     * License along with this software; if not, write to the Free
019     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021     */
022    package org.jboss.dna.common.text;
023    
024    /**
025     * An encoder implementation that does nothing. This is useful when a {@link TextEncoder encoder} is optional but the code is
026     * easier to write when there is always an encoder.
027     * 
028     * @author Randall Hauch
029     */
030    public class NoOpEncoder implements TextEncoder, TextDecoder {
031    
032        private static final NoOpEncoder INSTANCE = new NoOpEncoder();
033    
034        public static final NoOpEncoder getInstance() {
035            return INSTANCE;
036        }
037    
038        /**
039         * {@inheritDoc}
040         */
041        public String encode( String text ) {
042            return text;
043        }
044    
045        /**
046         * {@inheritDoc}
047         */
048        public String decode( String encodedText ) {
049            return encodedText;
050        }
051    }