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    /**
022     * general interface for an translator.
023     */
024    public interface Translator
025    {
026        /**
027         * size of the output block on encoding produced by getDecodedBlockSize()
028         * bytes.
029         */
030        public int getEncodedBlockSize();
031    
032        public int encode(byte[] in, int inOff, int length, byte[] out, int outOff);
033    
034        /**
035         * size of the output block on decoding produced by getEncodedBlockSize()
036         * bytes.
037         */
038        public int getDecodedBlockSize();
039    
040        public int decode(byte[] in, int inOff, int length, byte[] out, int outOff);
041    }