001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache license, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the license for the specific language governing permissions and
015 * limitations under the license.
016 */
017
018package org.apache.logging.log4j.mongodb4;
019
020import org.apache.logging.log4j.Level;
021import org.bson.BsonReader;
022import org.bson.BsonWriter;
023import org.bson.codecs.Codec;
024import org.bson.codecs.DecoderContext;
025import org.bson.codecs.EncoderContext;
026
027/**
028 * A BSON {@link Codec} for Log4j {@link Level}s.
029 */
030public class MongoDb4LevelCodec implements Codec<Level> {
031
032    /**
033     * The singleton instance.
034     */
035    public static final MongoDb4LevelCodec INSTANCE = new MongoDb4LevelCodec();
036
037    @Override
038    public Level decode(final BsonReader reader, final DecoderContext decoderContext) {
039        return Level.getLevel(reader.readString());
040    }
041
042    @Override
043    public void encode(final BsonWriter writer, final Level level, final EncoderContext encoderContext) {
044        writer.writeString(level.name());
045    }
046
047    @Override
048    public Class<Level> getEncoderClass() {
049        return Level.class;
050    }
051
052}