001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. You may obtain a copy of the License at * 006// * * 007// * http://www.apache.org/licenses/LICENSE-2.0 * 008// * * 009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau.encoders; 014 015import java.io.*; 016 017/** 018 * Encoder for handling <js>"identity"</js> encoding and decoding. 019 * 020 * <p> 021 * Identity encoding is just another name for no encoding at all. 022 */ 023public class IdentityEncoder extends Encoder { 024 025 /** Singleton */ 026 public static final IdentityEncoder INSTANCE = new IdentityEncoder(); 027 028 /** Constructor. */ 029 public IdentityEncoder() {} 030 031 @Override /* Encoder */ 032 public InputStream getInputStream(InputStream is) throws IOException { 033 return is; 034 } 035 036 @Override /* Encoder */ 037 public OutputStream getOutputStream(OutputStream os) throws IOException { 038 return os; 039 } 040 041 /** 042 * Returns <code>[<js>"identity"</js>]</code>. 043 */ 044 @Override /* Encoder */ 045 public String[] getCodings() { 046 return new String[]{"identity"}; 047 } 048}