001/*
002 * (C) Copyright 2018 Nuxeo SA (http://nuxeo.com/) and others.
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 *
016 * Contributors:
017 *     bdelbosc
018 */
019package org.nuxeo.runtime.codec;
020
021import java.util.Map;
022
023import org.nuxeo.lib.stream.codec.AvroBinaryCodec;
024import org.nuxeo.lib.stream.codec.AvroConfluentCodec;
025import org.nuxeo.lib.stream.codec.AvroJsonCodec;
026import org.nuxeo.lib.stream.codec.AvroMessageCodec;
027import org.nuxeo.lib.stream.codec.Codec;
028import org.nuxeo.runtime.api.Framework;
029import org.nuxeo.runtime.avro.AvroService;
030
031/**
032 * Factory to generate Avro codec with different flavors
033 *
034 * @since 10.3
035 */
036public class AvroCodecFactory implements CodecFactory {
037
038    public static final String KEY_SCHEMA_REGISTRY_URLS = "schemaRegistryUrls";
039
040    public static final String DEFAULT_SCHEMA_REGISTRY_URLS = "http://localhost:8081";
041
042    public static final String KEY_ENCODING = "encoding";
043
044    public static final String DEFAULT_ENCODING = "default";
045
046    protected String encoding;
047
048    protected String schemaRegistryUrls;
049
050    @Override
051    public void init(Map<String, String> options) {
052        this.encoding = options.getOrDefault(KEY_ENCODING, DEFAULT_ENCODING);
053        this.schemaRegistryUrls = options.getOrDefault(KEY_SCHEMA_REGISTRY_URLS, DEFAULT_SCHEMA_REGISTRY_URLS);
054    }
055
056    @Override
057    public <T> Codec<T> newCodec(Class<T> objectClass) {
058        switch (encoding) {
059        case "json":
060            return new AvroJsonCodec<>(objectClass);
061        case "binary":
062            return new AvroBinaryCodec<>(objectClass);
063        case "confluent":
064            return new AvroConfluentCodec<>(objectClass, schemaRegistryUrls);
065        case "message":
066        default:
067            return new AvroMessageCodec<>(objectClass, Framework.getService(AvroService.class).getSchemaStore());
068        }
069    }
070}