001/*
002 * SonarQube
003 * Copyright (C) 2009-2017 SonarSource SA
004 * mailto:info AT sonarsource DOT com
005 *
006 * This program is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public License
017 * along with this program; if not, write to the Free Software Foundation,
018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019 */
020package org.sonar.api.user;
021
022import org.sonar.api.security.DefaultGroups;
023
024import static com.google.common.base.Preconditions.checkArgument;
025import static com.google.common.base.Strings.isNullOrEmpty;
026
027public class UserGroupValidation {
028
029  public static final int GROUP_NAME_MAX_LENGTH = 255;
030
031  private UserGroupValidation() {
032    // Only static methods
033  }
034
035  public static void validateGroupName(String groupName) {
036    checkArgument(!isNullOrEmpty(groupName) && groupName.trim().length() > 0, "Group name cannot be empty");
037    checkArgument(groupName.length() <= GROUP_NAME_MAX_LENGTH, "Group name cannot be longer than %s characters", GROUP_NAME_MAX_LENGTH);
038    checkArgument(!DefaultGroups.isAnyone(groupName), "Anyone group cannot be used");
039  }
040}