| // Copyright (C) 2015 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.googlesource.gerrit.plugins.multisite.forwarder; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.gerrit.entities.Account; |
| import com.google.gerrit.entities.AccountGroup; |
| import com.google.gerrit.server.events.EventGson; |
| import com.google.gson.Gson; |
| import com.google.gson.JsonElement; |
| import com.google.inject.Inject; |
| import com.googlesource.gerrit.plugins.multisite.cache.Constants; |
| |
| public final class GsonParser { |
| private final Gson gson; |
| |
| @Inject |
| public GsonParser(@EventGson Gson gson) { |
| this.gson = gson; |
| } |
| |
| @SuppressWarnings("cast") |
| public Object fromJson(String cacheName, Object json) { |
| Object key; |
| // Need to add a case for 'adv_bases' |
| switch (cacheName) { |
| case Constants.ACCOUNTS: |
| key = Account.id(jsonElement(json).getAsJsonObject().get("id").getAsInt()); |
| break; |
| case Constants.GROUPS: |
| key = AccountGroup.id(jsonElement(json).getAsJsonObject().get("id").getAsInt()); |
| break; |
| case Constants.GROUPS_BYINCLUDE: |
| case Constants.GROUPS_MEMBERS: |
| key = AccountGroup.uuid(jsonElement(json).getAsJsonObject().get("uuid").getAsString()); |
| break; |
| case Constants.PROJECT_LIST: |
| key = gson.fromJson(nullToEmpty(json).toString(), Object.class); |
| break; |
| default: |
| if (json instanceof String) { |
| key = (String) json; |
| } else { |
| try { |
| key = gson.fromJson(nullToEmpty(json).toString().trim(), String.class); |
| } catch (Exception e) { |
| key = gson.fromJson(nullToEmpty(json).toString(), Object.class); |
| } |
| } |
| } |
| return key; |
| } |
| |
| private JsonElement jsonElement(Object json) { |
| return gson.fromJson(nullToEmpty(json), JsonElement.class); |
| } |
| |
| private static String nullToEmpty(Object value) { |
| return MoreObjects.firstNonNull(value, "").toString().trim(); |
| } |
| } |