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


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.JRXlsExporter;
39 import net.sf.jasperreports.engine.export.JRXlsAbstractExporterParameter;
40 import net.sf.jasperreports.view.JRSaveContributor;
41
42 /**
43  * @author Teodor Danciu (teodord@users.sourceforge.net)
44  * @version $Id: JRSingleSheetXlsSaveContributor.java 1480 2006-11-10 18:49:10 +0200 (Fri, 10 Nov 2006) shertage $
45  */
46 public class JRSingleSheetXlsSaveContributor extends JRSaveContributor
47 {
48
49     /**
50      *
51      */
52     private static final String JavaDoc EXTENSION_XLS = ".xls";
53     public static final JRSingleSheetXlsSaveContributor INSTANCE = new JRSingleSheetXlsSaveContributor();
54
55     /**
56      *
57      */
58     public static JRSingleSheetXlsSaveContributor getInstance()
59     {
60         return INSTANCE;
61     }
62     
63     /**
64      *
65      */
66     public boolean accept(File JavaDoc file)
67     {
68         if (file.isDirectory())
69         {
70             return true;
71         }
72         return file.getName().toLowerCase().endsWith(EXTENSION_XLS);
73     }
74
75     /**
76      *
77      */
78     public String JavaDoc getDescription()
79     {
80         return "Single sheet XLS (*.xls)";
81     }
82
83     /**
84      *
85      */
86     public void save(JasperPrint jasperPrint, File JavaDoc file) throws JRException
87     {
88         if (!file.getName().endsWith(EXTENSION_XLS))
89         {
90             file = new File JavaDoc(file.getAbsolutePath() + EXTENSION_XLS);
91         }
92         
93         if (
94             !file.exists() ||
95             JOptionPane.OK_OPTION ==
96                 JOptionPane.showConfirmDialog(
97                     null,
98                     MessageFormat.format(
99                         java.util.ResourceBundle.getBundle("net/sf/jasperreports/view/viewer").getString("file.exists"),
100                         new Object JavaDoc[]{file.getName()}
101                         ),
102                     java.util.ResourceBundle.getBundle("net/sf/jasperreports/view/viewer").getString("save"),
103                     JOptionPane.OK_CANCEL_OPTION
104                     )
105             )
106         {
107             JRXlsExporter exporter = new JRXlsExporter();
108             exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
109             exporter.setParameter(JRExporterParameter.OUTPUT_FILE, file);
110             exporter.setParameter(JRXlsAbstractExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
111             exporter.exportReport();
112         }
113     }
114
115 }
116
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