| /* |
| * 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.skywalking.library.elasticsearch.requests.factory.v7.codec; |
| |
| import com.fasterxml.jackson.annotation.JsonInclude; |
| import com.fasterxml.jackson.core.type.TypeReference; |
| import com.fasterxml.jackson.databind.DeserializationFeature; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.module.SimpleModule; |
| import java.io.InputStream; |
| import org.apache.skywalking.library.elasticsearch.requests.IndexRequest; |
| import org.apache.skywalking.library.elasticsearch.requests.UpdateRequest; |
| import org.apache.skywalking.library.elasticsearch.requests.factory.Codec; |
| import org.apache.skywalking.library.elasticsearch.response.IndexTemplates; |
| import org.apache.skywalking.library.elasticsearch.response.Mappings; |
| |
| public final class V78Codec implements Codec { |
| public static final Codec INSTANCE = new V78Codec(); |
| |
| private static final ObjectMapper MAPPER = new ObjectMapper() |
| .setSerializationInclusion(JsonInclude.Include.NON_NULL) |
| // We added some serializers here and some in their item classes as annotation (e.g. |
| // org.apache.skywalking.library.elasticsearch.requests.search.Sorts), |
| // the basic idea is, if the item class is very basic and are the same serialization method |
| // in both 6.x and 7.x, we set the serializer in their item class as annotation to make it |
| // shared by 6.x and 7.x, without duplicating the serializer codes, otherwise, we add |
| // serializers for each version explicitly in the object mapper. |
| // The 2 methods to add serializers can be changed if some day the basic serializer cannot |
| // be shared between newer versions of ElasticSearch or vice versa. |
| .registerModule( |
| new SimpleModule() |
| .addSerializer( |
| IndexRequest.class, |
| new V7IndexRequestSerializer() |
| ) |
| .addSerializer( |
| UpdateRequest.class, |
| new V7UpdateRequestSerializer() |
| ) |
| .addDeserializer( |
| Mappings.class, |
| new V7MappingsDeserializer() |
| ) |
| .addDeserializer( |
| IndexTemplates.class, |
| new V78IndexTemplatesDeserializer() |
| ) |
| ) |
| .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); |
| |
| @Override |
| public byte[] encode(final Object request) throws Exception { |
| return MAPPER.writeValueAsBytes(request); |
| } |
| |
| @Override |
| public <T> T decode(final InputStream inputStream, |
| final TypeReference<T> type) throws Exception { |
| return MAPPER.readValue(inputStream, type); |
| } |
| |
| @Override |
| public <T> T decode(final InputStream inputStream, |
| final Class<T> clazz) throws Exception { |
| return MAPPER.readValue(inputStream, clazz); |
| } |
| } |