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// 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.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.gerrit.common.data.GroupDescription;
import com.google.gerrit.common.data.GroupDescriptions;
import com.google.gerrit.common.data.GroupReference;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.project.ProjectControl;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.Collection;
/** Implementation of GroupBackend for the internal group system. */
@Singleton
public class InternalGroupBackend implements GroupBackend {
private static final Function<AccountGroup, GroupReference> ACT_GROUP_TO_GROUP_REF =
new Function<AccountGroup, GroupReference>() {
@Override
public GroupReference apply(AccountGroup group) {
return GroupReference.forGroup(group);
}
};
private final GroupControl.Factory groupControlFactory;
private final GroupCache groupCache;
private final IncludingGroupMembership.Factory groupMembershipFactory;
@Inject
InternalGroupBackend(GroupControl.Factory groupControlFactory,
GroupCache groupCache,
IncludingGroupMembership.Factory groupMembershipFactory) {
this.groupControlFactory = groupControlFactory;
this.groupCache = groupCache;
this.groupMembershipFactory = groupMembershipFactory;
}
@Override
public boolean handles(AccountGroup.UUID uuid) {
return AccountGroup.isInternalGroup(uuid);
}
@Override
public GroupDescription.Internal get(AccountGroup.UUID uuid) {
if (!handles(uuid)) {
return null;
}
AccountGroup g = groupCache.get(uuid);
if (g == null) {
return null;
}
return GroupDescriptions.forAccountGroup(g);
}
@Override
public Collection<GroupReference> suggest(final String name,
final ProjectControl project) {
Iterable<AccountGroup> filtered = Iterables.filter(groupCache.all(),
new Predicate<AccountGroup>() {
@Override
public boolean apply(AccountGroup group) {
// startsWithIgnoreCase && isVisible
return group.getName().regionMatches(true, 0, name, 0, name.length())
&& groupControlFactory.controlFor(group).isVisible();
}
});
return Lists.newArrayList(Iterables.transform(filtered, ACT_GROUP_TO_GROUP_REF));
}
@Override
public GroupMembership membershipsOf(IdentifiedUser user) {
return groupMembershipFactory.create(user);
}
}
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