Line data    Source code

       1             : // Copyright (C) 2010 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.account;
      16             : 
      17             : import com.google.gerrit.entities.AccountGroup;
      18             : import java.security.MessageDigest;
      19             : import org.eclipse.jgit.lib.Constants;
      20             : import org.eclipse.jgit.lib.ObjectId;
      21             : import org.eclipse.jgit.lib.PersonIdent;
      22             : 
      23             : public class GroupUuid {
      24             :   public static AccountGroup.UUID make(String groupName, PersonIdent creator) {
      25         152 :     MessageDigest md = Constants.newMessageDigest();
      26         152 :     md.update(Constants.encode("group " + groupName + "\n"));
      27         152 :     md.update(Constants.encode("creator " + creator.toExternalString() + "\n"));
      28         152 :     md.update(Constants.encode(String.valueOf(Math.random())));
      29         152 :     return AccountGroup.uuid(ObjectId.fromRaw(md.digest()).name());
      30             :   }
      31             : 
      32             :   private GroupUuid() {}
      33             : }