| // Copyright (C) 2020 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.zuul.util; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** Extracts dependency information from texts. */ |
| public class DependsOnExtractor { |
| public List<String> extract(String commitMessage) { |
| // TODO Add support for URL based `Depends-On` references. |
| List<String> dependsOn = new ArrayList<>(); |
| Pattern pattern = |
| Pattern.compile( |
| "^Depends-On: (I[0-9a-f]{40})\\s*$", Pattern.MULTILINE | Pattern.CASE_INSENSITIVE); |
| Matcher matcher = pattern.matcher(commitMessage); |
| while (matcher.find()) { |
| String key = matcher.group(1); |
| dependsOn.add(key); |
| } |
| return dependsOn; |
| } |
| } |