| // 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.findowners; |
| |
| import com.google.common.collect.Ordering; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.SortedMap; |
| import java.util.TreeMap; |
| |
| /** Utility classes and functions. */ |
| class Util { |
| /** Strips REST magic prefix line. */ |
| static String stripMagicPrefix(String data) { |
| final String magic = ")]}'\n"; |
| return data.startsWith(magic) ? data.substring(magic.length()) : data; |
| } |
| |
| static String getDirName(String path) { |
| return new File(path).getParent(); |
| } |
| |
| // Assuming that path is a valid git file or directory path, add a "./" prefix, |
| // so that "." can be used as the "root" parent directory. |
| static String addDotPrefix(String path) { |
| return path.startsWith("./") ? path : ("./" + path); |
| } |
| |
| // Assuming that path is a valid git file or directory path, |
| // get the parent directory path of the given file or directory. |
| static String getParentDir(String path) { |
| return new File(addDotPrefix(path)).getParent(); |
| } |
| |
| // Given valid git 'dir' path and user-input relative or absolute file 'path', |
| // return a valid git file path with "./" prefix. |
| static String normalizedDirFilePath(String dir, String path) throws IOException { |
| // With an absolute path, starting with "/", current dir is ignored. |
| if (path.startsWith("/")) { |
| dir = "."; |
| } |
| return "." + new File("/" + dir + "/" + path).getCanonicalPath(); |
| } |
| |
| // Git repository file path cannot contain leading "/" or "./", or "/" at the end. |
| static String gitRepoFilePath(String file) { |
| if (file == null) { |
| return ""; |
| } |
| int last = file.length() - 1; |
| while (last >= 0 && file.charAt(last) == '/') { |
| --last; |
| } |
| int first = 0; |
| while (first < last && file.charAt(first) == '/') { |
| ++first; |
| } |
| file = file.substring(first, last + 1); |
| if (file.startsWith("./")) { |
| return gitRepoFilePath(file.substring(2)); |
| } |
| return file; |
| } |
| |
| static String normalizedRepoDirFilePath(String dir, String path) throws IOException { |
| return gitRepoFilePath(normalizedDirFilePath(dir, path)); |
| } |
| |
| static boolean parseBoolean(String s) { |
| return (s != null) && (s.equals("1") || s.equalsIgnoreCase("yes") || Boolean.parseBoolean(s)); |
| } |
| |
| static SortedMap<String, List<String>> makeSortedMap(Map<String, Set<String>> map) { |
| SortedMap<String, List<String>> result = new TreeMap<>(); |
| for (String key : Ordering.natural().sortedCopy(map.keySet())) { |
| result.put(key, Ordering.natural().sortedCopy(map.get(key))); |
| } |
| return result; |
| } |
| |
| static void addKeyToMap(Map<String, Set<String>> map, String key) { |
| if (map.get(key) == null) { |
| map.put(key, new HashSet<>()); |
| } |
| } |
| |
| static void addToMap(Map<String, Set<String>> map, String key, String value) { |
| addKeyToMap(map, key); |
| map.get(key).add(value); |
| } |
| |
| static void addAllToMap(Map<String, Set<String>> map, String key, Set<String> values) { |
| addKeyToMap(map, key); |
| map.get(key).addAll(values); |
| } |
| } |