001/*
002 * ModeShape (http://www.modeshape.org)
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *       http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.modeshape.common.text;
017
018import org.modeshape.common.annotation.Immutable;
019
020/**
021 * An encoder implementation that does nothing. This is useful when a {@link TextEncoder encoder} is optional but the code is
022 * easier to write when there is always an encoder.
023 */
024@Immutable
025public class NoOpEncoder implements TextEncoder, TextDecoder {
026
027    private static final NoOpEncoder INSTANCE = new NoOpEncoder();
028
029    public static final NoOpEncoder getInstance() {
030        return INSTANCE;
031    }
032
033    @Override
034    public String encode( String text ) {
035        return text;
036    }
037
038    @Override
039    public String decode( String encodedText ) {
040        return encodedText;
041    }
042}