1   /*
2    * Copyright 2003 - 2013 The eFaps Team
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   * Revision:        $Rev$
17   * Last Changed:    $Date$
18   * Last Changed By: $Author$
19   */
20  
21  package org.efaps.admin.datamodel.attributetype;
22  
23  import java.util.List;
24  
25  import org.efaps.admin.datamodel.Attribute;
26  import org.efaps.admin.user.Person;
27  import org.efaps.admin.user.Role;
28  import org.efaps.util.EFapsException;
29  
30  /**
31   * @author The eFaps Team
32   * @version $Id$
33   * TODO: description
34   */
35  public class PersonLinkType
36      extends AbstractLinkType
37  {
38      /**
39       * Needed for serialization.
40       */
41      private static final long serialVersionUID = 1L;
42  
43      /**
44       * {@inheritDoc}
45       */
46      @Override
47      public Object readValue(final Attribute _attribute,
48                              final List<Object> _objectList)
49          throws EFapsException
50      {
51          Object ret = null;
52          final Object obj = _objectList.get(0);
53          if (obj != null) {
54              long id = 0;
55              if (obj instanceof Number) {
56                  id = ((Number) obj).longValue();
57              } else if (obj != null) {
58                  id = Long.parseLong(obj.toString());
59              }
60              ret = Person.get(id);
61              if (ret == null) {
62                  ret = Role.get(id);
63              }
64          }
65          return ret;
66      }
67  }