Java tutorial
// Copyright (C) 2010 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.reviewdb.client.AccountGroup; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.ObjectId; import org.eclipse.jgit.lib.PersonIdent; import java.security.MessageDigest; public class GroupUUID { public static AccountGroup.UUID make(String groupName, PersonIdent creator) { MessageDigest md = Constants.newMessageDigest(); md.update(Constants.encode("group " + groupName + "\n")); md.update(Constants.encode("creator " + creator.toExternalString() + "\n")); return new AccountGroup.UUID(ObjectId.fromRaw(md.digest()).name()); } private GroupUUID() { } }