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1   /*
2    * JaspertReports JSF Plugin Copyright (C) 2011 A. Alonso Dominguez
3    *
4    * This library is free software; you can redistribute it and/or modify it
5    * under the terms of the GNU Lesser General Public License as published by
6    * the Free Software Foundation; either version 2.1 of the License, or (at
7    * your option) any later version. This library is distributed in the hope
8    * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
9    * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
10   *
11   * See the GNU Lesser General Public License for more details. You should have
12   * received a copy of the GNU Lesser General Public License along with this
13   * library; if not, write to the Free Software Foundation, Inc., 59 Temple
14   * Place, Suite 330, Boston, MA 02111-1307 USA A.
15   *
16   * Alonso Dominguez
17   * alonsoft@users.sf.net
18   */
19  package net.sf.jasperreports.jsf.engine;
20  
21  import net.sf.jasperreports.engine.JRDataSource;
22  
23  /**
24   * <tt>Source</tt> implementation of a <tt>JRDataSource</tt>.
25   *
26   * @author A. Alonso Dominguez
27   */
28  public class JRDataSourceWrapper implements Source {
29  
30      /** The wrapped data source. */
31      private JRDataSource dataSource;
32  
33      /**
34       * Instantiates a new <tt>JRDataSourceWrapper</tt>.
35       *
36       * @param dataSource the data soruce to wrap.
37       */
38      public JRDataSourceWrapper(final JRDataSource dataSource) {
39          if (dataSource == null) {
40              throw new IllegalArgumentException("'dataSource' can't be null");
41          }
42          this.dataSource = dataSource;
43      }
44  
45      /**
46       * Obtains the wrapped data source.
47       *
48       * @return the wrapped data source.
49       */
50      public final JRDataSource getDataSource() {
51          return dataSource;
52      }
53  
54      /**
55       * Disposes this data source resources.
56       */
57      public void dispose() throws Exception {
58          dataSource = null;
59      }
60  
61  }