com.google.gerrit.server.account.GroupBackend Maven / Gradle / Ivy
// Copyright (C) 2012 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.account;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.entities.AccountGroup;
import com.google.gerrit.entities.GroupDescription;
import com.google.gerrit.entities.GroupReference;
import com.google.gerrit.extensions.annotations.ExtensionPoint;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.project.ProjectState;
import java.util.Collection;
/** Implementations of GroupBackend provide lookup and membership accessors to a group system. */
@ExtensionPoint
public interface GroupBackend {
/** Returns {@code true} if the backend can operate on the UUID. */
boolean handles(AccountGroup.UUID uuid);
/**
* Looks up a group in the backend. If the group does not exist, null is returned.
*
* @param uuid the group identifier
* @return the group
*/
@Nullable
GroupDescription.Basic get(AccountGroup.UUID uuid);
/** Returns suggestions for the group name sorted by name. */
Collection suggest(String name, @Nullable ProjectState project);
/** Returns the group membership checker for the backend. */
GroupMembership membershipsOf(CurrentUser user);
/** Returns {@code true} if the group with the given UUID is visible to all registered users. */
boolean isVisibleToAll(AccountGroup.UUID uuid);
default boolean isOrContainsExternalGroup(AccountGroup.UUID groupId) {
if (groupId != null) {
GroupDescription.Basic groupDescription = get(groupId);
if (!(groupDescription instanceof GroupDescription.Internal)
|| containsExternalSubGroups((GroupDescription.Internal) groupDescription)) {
return true;
}
}
return false;
}
private boolean containsExternalSubGroups(GroupDescription.Internal internalGroup) {
for (AccountGroup.UUID subGroupUuid : internalGroup.getSubgroups()) {
GroupDescription.Basic subGroupDescription = get(subGroupUuid);
if (!(subGroupDescription instanceof GroupDescription.Internal)) {
return true;
}
if (containsExternalSubGroups((GroupDescription.Internal) subGroupDescription)) {
return true;
}
}
return false;
}
}