| // Copyright (C) 2014 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.restapi.change; |
| |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.BadRequestException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestReadView; |
| import com.google.gerrit.server.change.ChangeResource; |
| import com.google.gerrit.server.notedb.ChangeNotes; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| @Singleton |
| public class GetHashtags implements RestReadView<ChangeResource> { |
| @Override |
| public Response<Set<String>> apply(ChangeResource req) |
| throws AuthException, IOException, BadRequestException { |
| ChangeNotes notes = req.getNotes().load(); |
| Set<String> hashtags = notes.getHashtags(); |
| if (hashtags == null) { |
| hashtags = Collections.emptySet(); |
| } |
| return Response.ok(hashtags); |
| } |
| } |