| // Copyright (C) 2017 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.ratelimiter; |
| |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.IdentifiedUser.GenericFactory; |
| import com.google.inject.Inject; |
| import java.util.Optional; |
| import java.util.regex.Pattern; |
| |
| class UserResolver { |
| private static final Pattern DIGITS = Pattern.compile("[0-9]+"); |
| |
| private final GenericFactory userFactory; |
| |
| @Inject |
| UserResolver(IdentifiedUser.GenericFactory userFactory) { |
| this.userFactory = userFactory; |
| } |
| |
| Optional<IdentifiedUser> getIdentifiedUser(String key) { |
| return isNumeric(key) |
| ? Optional.ofNullable(userFactory.create(Account.id(Integer.parseInt(key)))) |
| : Optional.empty(); |
| } |
| |
| Optional<String> getUserName(String key) { |
| Optional<IdentifiedUser> user = getIdentifiedUser(key); |
| return user.isPresent() |
| ? Optional.ofNullable(user.get().getUserName().get()) |
| : Optional.empty(); |
| } |
| |
| private static boolean isNumeric(String key) { |
| return DIGITS.matcher(key).matches(); |
| } |
| } |