| // 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.git; |
| |
| import com.google.gerrit.common.data.GroupReference; |
| import com.google.gerrit.reviewdb.client.AccountGroup; |
| import com.google.gerrit.reviewdb.client.AccountGroup.UUID; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class GroupList { |
| public static final String FILE_NAME = "groups"; |
| private final Map<AccountGroup.UUID, GroupReference> byUUID; |
| |
| private GroupList(Map<AccountGroup.UUID, GroupReference> byUUID) { |
| this.byUUID = byUUID; |
| } |
| |
| public static GroupList parse(String text, ValidationError.Sink errors) throws IOException { |
| Map<AccountGroup.UUID, GroupReference> groupsByUUID = new HashMap<>(); |
| |
| BufferedReader br = new BufferedReader(new StringReader(text)); |
| String s; |
| for (int lineNumber = 1; (s = br.readLine()) != null; lineNumber++) { |
| if (s.isEmpty() || s.startsWith("#")) { |
| continue; |
| } |
| |
| int tab = s.indexOf('\t'); |
| if (tab < 0) { |
| errors.error(new ValidationError(FILE_NAME, lineNumber, "missing tab delimiter")); |
| continue; |
| } |
| |
| AccountGroup.UUID uuid = new AccountGroup.UUID(s.substring(0, tab).trim()); |
| String name = s.substring(tab + 1).trim(); |
| GroupReference ref = new GroupReference(uuid, name); |
| |
| groupsByUUID.put(uuid, ref); |
| } |
| |
| return new GroupList(groupsByUUID); |
| } |
| |
| public GroupReference byUUID(AccountGroup.UUID uuid) { |
| return byUUID.get(uuid); |
| } |
| |
| public GroupReference resolve(GroupReference group) { |
| if (group != null) { |
| GroupReference ref = byUUID.get(group.getUUID()); |
| if (ref != null) { |
| return ref; |
| } |
| byUUID.put(group.getUUID(), group); |
| } |
| return group; |
| } |
| |
| public Collection<GroupReference> references() { |
| return byUUID.values(); |
| } |
| |
| public Set<AccountGroup.UUID> uuids() { |
| return byUUID.keySet(); |
| } |
| |
| public void put(UUID uuid, GroupReference reference) { |
| byUUID.put(uuid, reference); |
| } |
| |
| private static String pad(int len, String src) { |
| if (len <= src.length()) { |
| return src; |
| } |
| |
| StringBuilder r = new StringBuilder(len); |
| r.append(src); |
| while (r.length() < len) { |
| r.append(' '); |
| } |
| return r.toString(); |
| } |
| |
| private static <T extends Comparable<? super T>> List<T> sort(Collection<T> m) { |
| ArrayList<T> r = new ArrayList<>(m); |
| Collections.sort(r); |
| return r; |
| } |
| |
| public String asText() { |
| if (byUUID.isEmpty()) { |
| return null; |
| } |
| |
| final int uuidLen = 40; |
| StringBuilder buf = new StringBuilder(); |
| buf.append(pad(uuidLen, "# UUID")); |
| buf.append('\t'); |
| buf.append("Group Name"); |
| buf.append('\n'); |
| |
| buf.append('#'); |
| buf.append('\n'); |
| |
| for (GroupReference g : sort(byUUID.values())) { |
| if (g.getUUID() != null && g.getName() != null) { |
| buf.append(pad(uuidLen, g.getUUID().get())); |
| buf.append('\t'); |
| buf.append(g.getName()); |
| buf.append('\n'); |
| } |
| } |
| return buf.toString(); |
| } |
| |
| public void retainUUIDs(Collection<AccountGroup.UUID> toBeRetained) { |
| byUUID.keySet().retainAll(toBeRetained); |
| } |
| |
| } |