| // Copyright (C) 2013 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.group; |
| |
| import com.google.common.collect.ComparisonChain; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Ordering; |
| import com.google.gerrit.common.data.GroupDetail; |
| import com.google.gerrit.common.errors.NoSuchGroupException; |
| import com.google.gerrit.extensions.restapi.MethodNotAllowedException; |
| import com.google.gerrit.extensions.restapi.RestReadView; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.reviewdb.client.AccountGroup; |
| import com.google.gerrit.reviewdb.client.AccountGroupById; |
| import com.google.gerrit.reviewdb.client.AccountGroupMember; |
| import com.google.gerrit.server.account.AccountInfo; |
| import com.google.gerrit.server.account.GroupCache; |
| import com.google.gerrit.server.account.GroupDetailFactory; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| |
| import org.kohsuke.args4j.Option; |
| |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class ListMembers implements RestReadView<GroupResource> { |
| private final GroupCache groupCache; |
| private final GroupDetailFactory.Factory groupDetailFactory; |
| private final AccountInfo.Loader accountLoader; |
| |
| @Option(name = "--recursive", usage = "to resolve included groups recursively") |
| private boolean recursive; |
| |
| @Inject |
| protected ListMembers(GroupCache groupCache, |
| GroupDetailFactory.Factory groupDetailFactory, |
| AccountInfo.Loader.Factory accountLoaderFactory) { |
| this.groupCache = groupCache; |
| this.groupDetailFactory = groupDetailFactory; |
| this.accountLoader = accountLoaderFactory.create(true); |
| } |
| |
| public void setRecursive(boolean recursive) { |
| this.recursive = recursive; |
| } |
| |
| @Override |
| public List<AccountInfo> apply(final GroupResource resource) |
| throws MethodNotAllowedException, OrmException { |
| if (resource.toAccountGroup() == null) { |
| throw new MethodNotAllowedException(); |
| } |
| |
| return apply(resource.getGroupUUID()); |
| } |
| |
| public List<AccountInfo> apply(AccountGroup group) |
| throws MethodNotAllowedException, OrmException { |
| return apply(group.getGroupUUID()); |
| } |
| |
| public List<AccountInfo> apply(AccountGroup.UUID groupId) |
| throws MethodNotAllowedException, OrmException { |
| final Map<Account.Id, AccountInfo> members = |
| getMembers(groupId, new HashSet<AccountGroup.UUID>()); |
| final List<AccountInfo> memberInfos = Lists.newArrayList(members.values()); |
| Collections.sort(memberInfos, new Comparator<AccountInfo>() { |
| @Override |
| public int compare(AccountInfo a, AccountInfo b) { |
| return ComparisonChain.start() |
| .compare(a.name, b.name, Ordering.natural().nullsFirst()) |
| .compare(a.email, b.email, Ordering.natural().nullsFirst()) |
| .compare(a._accountId, b._accountId, Ordering.natural().nullsFirst()).result(); |
| } |
| }); |
| return memberInfos; |
| } |
| |
| private Map<Account.Id, AccountInfo> getMembers( |
| final AccountGroup.UUID groupUUID, |
| final HashSet<AccountGroup.UUID> seenGroups) throws OrmException { |
| seenGroups.add(groupUUID); |
| |
| final Map<Account.Id, AccountInfo> members = Maps.newHashMap(); |
| final AccountGroup group = groupCache.get(groupUUID); |
| if (group == null) { |
| // the included group is an external group and can't be resolved |
| return Collections.emptyMap(); |
| } |
| |
| final GroupDetail groupDetail; |
| try { |
| groupDetail = groupDetailFactory.create(group.getId()).call(); |
| } catch (NoSuchGroupException e) { |
| // the included group is not visible |
| return Collections.emptyMap(); |
| } |
| |
| if (groupDetail.members != null) { |
| for (final AccountGroupMember m : groupDetail.members) { |
| if (!members.containsKey(m.getAccountId())) { |
| members.put(m.getAccountId(), accountLoader.get(m.getAccountId())); |
| } |
| } |
| } |
| |
| if (recursive) { |
| if (groupDetail.includes != null) { |
| for (final AccountGroupById includedGroup : groupDetail.includes) { |
| if (!seenGroups.contains(includedGroup.getIncludeUUID())) { |
| members.putAll(getMembers(includedGroup.getIncludeUUID(), seenGroups)); |
| } |
| } |
| } |
| } |
| accountLoader.fill(); |
| return members; |
| } |
| } |