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Java > Open Source Codes > net > sf > jasperreports > view > save > JRCsvSaveContributor


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */

28 package net.sf.jasperreports.view.save;
29
30 import java.io.File JavaDoc;
31 import java.text.MessageFormat JavaDoc;
32
33 import javax.swing.JOptionPane JavaDoc;
34
35 import net.sf.jasperreports.engine.JRException;
36 import net.sf.jasperreports.engine.JRExporterParameter;
37 import net.sf.jasperreports.engine.JasperPrint;
38 import net.sf.jasperreports.engine.export.JRCsvExporter;
39 import net.sf.jasperreports.view.JRSaveContributor;
40
41 /**
42  * @author Teodor Danciu (teodord@users.sourceforge.net)
43  * @version $Id: JRCsvSaveContributor.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
44  */

45 public class JRCsvSaveContributor extends JRSaveContributor
46 {
47
48     /**
49      *
50      */

51     private static final String JavaDoc EXTENSION_CSV = ".csv";
52     public static final JRCsvSaveContributor INSTANCE = new JRCsvSaveContributor();
53
54     /**
55      *
56      */

57     public static JRCsvSaveContributor getInstance()
58     {
59         return INSTANCE;
60     }
61     
62     /**
63      *
64      */

65     public boolean accept(File JavaDoc file)
66     {
67         if (file.isDirectory())
68         {
69             return true;
70         }
71         return file.getName().toLowerCase().endsWith(EXTENSION_CSV);
72     }
73
74     /**
75      *
76      */

77     public String JavaDoc getDescription()
78     {
79         return "CSV (*.csv)";
80     }
81
82     /**
83      *
84      */

85     public void save(JasperPrint jasperPrint, File JavaDoc file) throws JRException
86     {
87         if (!file.getName().endsWith(EXTENSION_CSV))
88         {
89             file = new File JavaDoc(file.getAbsolutePath() + EXTENSION_CSV);
90         }
91         
92         if (
93             !file.exists() ||
94             JOptionPane.OK_OPTION ==
95                 JOptionPane.showConfirmDialog(
96                     null,
97                     MessageFormat.format(
98                         java.util.ResourceBundle.getBundle("net/sf/jasperreports/view/viewer").getString("file.exists"),
99                         new Object JavaDoc[]{file.getName()}
100                         ),
101                     java.util.ResourceBundle.getBundle("net/sf/jasperreports/view/viewer").getString("save"),
102                     JOptionPane.OK_CANCEL_OPTION
103                     )
104             )
105         {
106             JRCsvExporter exporter = new JRCsvExporter();
107             exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
108             exporter.setParameter(JRExporterParameter.OUTPUT_FILE, file);
109             exporter.exportReport();
110         }
111     }
112
113 }
114
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