| // Copyright (C) 2019 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.server.change; |
| |
| import com.google.gerrit.entities.Change; |
| import com.google.gson.JsonDeserializationContext; |
| import com.google.gson.JsonDeserializer; |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonObject; |
| import com.google.gson.JsonParseException; |
| import com.google.gson.JsonSerializationContext; |
| import com.google.gson.JsonSerializer; |
| import java.lang.reflect.Type; |
| |
| /** |
| * Adapter that serializes {@link com.google.gerrit.entities.Change.Key}'s {@code key} field as |
| * {@code id}, for backwards compatibility in stream-events. |
| */ |
| // TODO(dborowitz): auto-value-gson should support this directly using @SerializedName on the |
| // AutoValue method. |
| public class ChangeKeyAdapter implements JsonSerializer<Change.Key>, JsonDeserializer<Change.Key> { |
| @Override |
| public JsonElement serialize(Change.Key src, Type typeOfSrc, JsonSerializationContext context) { |
| JsonObject obj = new JsonObject(); |
| obj.addProperty("id", src.get()); |
| return obj; |
| } |
| |
| @Override |
| public Change.Key deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) |
| throws JsonParseException { |
| JsonElement keyJson = json.getAsJsonObject().get("id"); |
| if (keyJson == null || !keyJson.isJsonPrimitive() || !keyJson.getAsJsonPrimitive().isString()) { |
| throw new JsonParseException("Key is not a string: " + keyJson); |
| } |
| String key = keyJson.getAsJsonPrimitive().getAsString(); |
| return Change.key(key); |
| } |
| } |