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// 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.project;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.common.data.GroupReference;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.git.ValidationError;
import com.google.gerrit.server.git.meta.TabFile;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class GroupList extends TabFile {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
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(Project.NameKey project, String text, ValidationError.Sink errors)
throws IOException {
List<Row> rows = parse(text, FILE_NAME, TRIM, TRIM, errors);
Map<AccountGroup.UUID, GroupReference> groupsByUUID = new HashMap<>(rows.size());
for (Row row : rows) {
if (row.left == null) {
logger.atWarning().log("null field in group list for %s:\n%s", project, text);
continue;
}
AccountGroup.UUID uuid = new AccountGroup.UUID(row.left);
String name = row.right;
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) {
if (group.getUUID() == null || group.getUUID().get() == null) {
// A GroupReference from ProjectConfig that refers to a group not found
// in this file will have a null UUID. Since there may be multiple
// different missing references, it's not appropriate to cache the
// results, nor return null the set from #uuids.
return group;
}
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(AccountGroup.UUID uuid, GroupReference reference) {
if (uuid == null || uuid.get() == null) {
return; // See note in #resolve above.
}
byUUID.put(uuid, reference);
}
public String asText() {
if (byUUID.isEmpty()) {
return null;
}
List<Row> rows = new ArrayList<>(byUUID.size());
for (GroupReference g : sort(byUUID.values())) {
if (g.getUUID() != null && g.getName() != null) {
rows.add(new Row(g.getUUID().get(), g.getName()));
}
}
return asText("UUID", "Group Name", rows);
}
public void retainUUIDs(Collection<AccountGroup.UUID> toBeRetained) {
byUUID.keySet().retainAll(toBeRetained);
}
}