1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.service.impl;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.kernel.util.Validator;
28  import com.liferay.portal.model.ClassName;
29  import com.liferay.portal.model.ModelHintsUtil;
30  import com.liferay.portal.model.impl.ClassNameImpl;
31  import com.liferay.portal.service.base.ClassNameLocalServiceBaseImpl;
32  
33  import java.util.List;
34  import java.util.Map;
35  import java.util.concurrent.ConcurrentHashMap;
36  
37  /**
38   * <a href="ClassNameLocalServiceImpl.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   *
42   */
43  public class ClassNameLocalServiceImpl extends ClassNameLocalServiceBaseImpl {
44  
45      public void checkClassNames() throws SystemException {
46          List<String> models = ModelHintsUtil.getModels();
47  
48          for (int i = 0; i < models.size(); i++) {
49              String value = models.get(i);
50  
51              getClassName(value);
52          }
53      }
54  
55      public ClassName getClassName(long classNameId)
56          throws PortalException, SystemException {
57  
58          return classNamePersistence.findByPrimaryKey(classNameId);
59      }
60  
61      public ClassName getClassName(String value) throws SystemException {
62          if (Validator.isNull(value)) {
63              return _nullClassName;
64          }
65  
66          // Always cache the class name. This table exists to improve
67          // performance. Create the class name if one does not exist.
68  
69          ClassName classNameModel = _classNames.get(value);
70  
71          if (classNameModel == null) {
72              classNameModel = classNamePersistence.fetchByValue(value);
73  
74              if (classNameModel == null) {
75                  long classNameId = counterLocalService.increment();
76  
77                  classNameModel = classNamePersistence.create(classNameId);
78  
79                  classNameModel.setValue(value);
80  
81                  classNamePersistence.update(classNameModel, false);
82              }
83  
84              _classNames.put(value, classNameModel);
85          }
86  
87          return classNameModel;
88      }
89  
90      private static ClassName _nullClassName = new ClassNameImpl();
91      private static Map<String, ClassName> _classNames =
92          new ConcurrentHashMap<String, ClassName>();
93  
94  }