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1   /*
2    * Sonar, entreprise quality control tool.
3    * Copyright (C) 2007-2008 Hortis-GRC SA
4    * mailto:be_agile HAT hortis DOT ch
5    *
6    * Sonar is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 3 of the License, or (at your option) any later version.
10   *
11   * Sonar is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with {library}; if not, write to the Free Software
18   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
19   */
20  package ch.hortis.sonar.service;
21  
22  import javax.persistence.EntityManager;
23  import javax.persistence.NoResultException;
24  import javax.persistence.Query;
25  
26  import ch.hortis.sonar.model.Property;
27  
28  public class PropertiesDao extends Dao {
29  
30    public PropertiesDao(EntityManager manager) {
31      super(manager);
32    }
33    
34    public Property getProperty(String propertyKey) {
35      Query query = manager.createNamedQuery(Property.SQL_SELECT_PROPERTY);
36      query.setParameter( "property_key", propertyKey);
37      try {
38        return (Property)query.getSingleResult();
39      } catch ( NoResultException ex ) {
40        return null;
41      }
42    }
43  
44  }