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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.syncope.core.persistence.jpa.validation.entity;
20  
21  import javax.validation.ConstraintValidatorContext;
22  import org.apache.syncope.common.lib.SyncopeConstants;
23  import org.apache.syncope.common.lib.types.EntityViolationType;
24  import org.apache.syncope.core.persistence.api.dao.RealmDAO;
25  import org.apache.syncope.core.persistence.api.entity.Realm;
26  
27  public class RealmValidator extends AbstractValidator<RealmCheck, Realm> {
28  
29      @Override
30      public boolean isValid(final Realm realm, final ConstraintValidatorContext context) {
31          context.disableDefaultConstraintViolation();
32  
33          boolean isValid = true;
34  
35          if (SyncopeConstants.ROOT_REALM.equals(realm.getName())) {
36              if (realm.getParent() != null) {
37                  isValid = false;
38  
39                  context.buildConstraintViolationWithTemplate(
40                          getTemplate(EntityViolationType.InvalidRealm, "Root realm cannot have a parent realm")).
41                          addPropertyNode("parent").addConstraintViolation();
42              }
43          } else {
44              if (realm.getParent() == null) {
45                  isValid = false;
46  
47                  context.buildConstraintViolationWithTemplate(
48                          getTemplate(EntityViolationType.InvalidRealm, "A realm needs to reference a parent realm")).
49                          addPropertyNode("parent").addConstraintViolation();
50              }
51  
52              if (!RealmDAO.NAME_PATTERN.matcher(realm.getName()).matches()) {
53                  isValid = false;
54  
55                  context.buildConstraintViolationWithTemplate(
56                          getTemplate(EntityViolationType.InvalidRealm, "Only alphanumeric chars allowed in realm name")).
57                          addPropertyNode("name").addConstraintViolation();
58              }
59          }
60  
61          return isValid;
62      }
63  }