| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.jackrabbit.oak.plugins.document.mongo; |
| |
| import org.bson.BsonReader; |
| import org.bson.BsonString; |
| import org.bson.BsonValue; |
| import org.bson.BsonWriter; |
| import org.bson.Document; |
| import org.bson.codecs.Codec; |
| import org.bson.codecs.CollectibleCodec; |
| import org.bson.codecs.DecoderContext; |
| import org.bson.codecs.DocumentCodec; |
| import org.bson.codecs.EncoderContext; |
| |
| class MongoBlobCodec implements CollectibleCodec<MongoBlob> { |
| |
| private final Codec<Document> documentCodec = new DocumentCodec(); |
| |
| MongoBlobCodec() { |
| } |
| |
| @Override |
| public MongoBlob generateIdIfAbsentFromDocument(MongoBlob document) { |
| if (!documentHasId(document)) { |
| throw new IllegalStateException("MongoBlob must not have generated id"); |
| } |
| return document; |
| } |
| |
| @Override |
| public boolean documentHasId(MongoBlob document) { |
| return document.getId() != null; |
| } |
| |
| @Override |
| public BsonValue getDocumentId(MongoBlob document) { |
| if (!documentHasId(document)) { |
| throw new IllegalStateException("MongoBlob does not have an id"); |
| } |
| return new BsonString(document.getId()); |
| } |
| |
| @Override |
| public MongoBlob decode(BsonReader reader, DecoderContext decoderContext) { |
| Document doc = documentCodec.decode(reader, decoderContext); |
| return MongoBlob.fromDocument(doc); |
| } |
| |
| @Override |
| public void encode(BsonWriter writer, |
| MongoBlob value, |
| EncoderContext encoderContext) { |
| Document doc = value.asDocument(); |
| documentCodec.encode(writer, doc, encoderContext); |
| } |
| |
| @Override |
| public Class<MongoBlob> getEncoderClass() { |
| return MongoBlob.class; |
| } |
| } |