| /* |
| * 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.ambari.logsearch.config.zookeeper.model.inputconfig.impl; |
| |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.ambari.logsearch.config.api.model.inputconfig.MapFieldDescriptor; |
| |
| import com.google.gson.JsonArray; |
| import com.google.gson.JsonDeserializationContext; |
| import com.google.gson.JsonDeserializer; |
| import com.google.gson.JsonSerializer; |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonObject; |
| import com.google.gson.JsonSerializationContext; |
| |
| public class PostMapValuesAdapter implements JsonDeserializer<List<PostMapValuesImpl>>, JsonSerializer<List<PostMapValuesImpl>> { |
| @Override |
| public List<PostMapValuesImpl> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) { |
| List<PostMapValuesImpl> vals = new ArrayList<>(); |
| if (json.isJsonArray()) { |
| for (JsonElement e : json.getAsJsonArray()) { |
| vals.add(createPostMapValues(e, context)); |
| } |
| } else if (json.isJsonObject()) { |
| vals.add(createPostMapValues(json, context)); |
| } else { |
| throw new RuntimeException("Unexpected JSON type: " + json.getClass()); |
| } |
| return vals; |
| } |
| |
| private PostMapValuesImpl createPostMapValues(JsonElement e, JsonDeserializationContext context) { |
| List<MapFieldDescriptor> mappers = new ArrayList<>(); |
| for (Map.Entry<String, JsonElement> m : e.getAsJsonObject().entrySet()) { |
| switch (m.getKey()) { |
| case "map_date": |
| mappers.add((MapDateDescriptorImpl)context.deserialize(m.getValue(), MapDateDescriptorImpl.class)); |
| break; |
| case "map_fieldcopy": |
| mappers.add((MapFieldCopyDescriptorImpl)context.deserialize(m.getValue(), MapFieldCopyDescriptorImpl.class)); |
| break; |
| case "map_fieldname": |
| mappers.add((MapFieldNameDescriptorImpl)context.deserialize(m.getValue(), MapFieldNameDescriptorImpl.class)); |
| break; |
| case "map_fieldvalue": |
| mappers.add((MapFieldValueDescriptorImpl)context.deserialize(m.getValue(), MapFieldValueDescriptorImpl.class)); |
| break; |
| default: |
| System.out.println("Unknown key: " + m.getKey()); |
| } |
| } |
| |
| PostMapValuesImpl postMapValues = new PostMapValuesImpl(); |
| postMapValues.setMappers(mappers); |
| return postMapValues; |
| } |
| |
| @Override |
| public JsonElement serialize(List<PostMapValuesImpl> src, Type typeOfSrc, JsonSerializationContext context) { |
| if (src.size() == 1) { |
| return createMapperObject(src.get(0), context); |
| } else { |
| JsonArray jsonArray = new JsonArray(); |
| for (PostMapValuesImpl postMapValues : src) { |
| jsonArray.add(createMapperObject(postMapValues, context)); |
| } |
| return jsonArray; |
| } |
| } |
| |
| private JsonElement createMapperObject(PostMapValuesImpl postMapValues, JsonSerializationContext context) { |
| JsonObject jsonObject = new JsonObject(); |
| for (MapFieldDescriptor m : postMapValues.getMappers()) { |
| jsonObject.add(((MapFieldDescriptor)m).getJsonName(), context.serialize(m)); |
| } |
| return jsonObject; |
| } |
| } |