001    /**
002     *
003     *  Licensed to the Apache Software Foundation (ASF) under one or more
004     *  contributor license agreements.  See the NOTICE file distributed with
005     *  this work for additional information regarding copyright ownership.
006     *  The ASF licenses this file to You under the Apache License, Version 2.0
007     *  (the "License"); you may not use this file except in compliance with
008     *  the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     *  Unless required by applicable law or agreed to in writing, software
013     *  distributed under the License is distributed on an "AS IS" BASIS,
014     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     *  See the License for the specific language governing permissions and
016     *  limitations under the License.
017     */
018    
019    package org.apache.geronimo.util.encoders;
020    
021    import java.io.IOException;
022    import java.io.OutputStream;
023    
024    /**
025     * Encode and decode byte arrays (typically from binary to 7-bit ASCII
026     * encodings).
027     */
028    public interface Encoder
029    {
030        int encode(byte[] data, int off, int length, OutputStream out) throws IOException;
031    
032        int decode(byte[] data, int off, int length, OutputStream out) throws IOException;
033    
034        int decode(String data, OutputStream out) throws IOException;
035    }