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Java > Open Source Codes > EmbeddedViewerApplet


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 import java.awt.BorderLayout JavaDoc;
29 import java.io.PrintWriter JavaDoc;
30 import java.io.StringWriter JavaDoc;
31 import java.net.URL JavaDoc;
32
33 import javax.swing.JOptionPane JavaDoc;
34
35 import net.sf.jasperreports.engine.JasperPrint;
36 import net.sf.jasperreports.engine.util.JRLoader;
37
38
39 /**
40  * @author Teodor Danciu (teodord@users.sourceforge.net)
41  * @version $Id: EmbeddedViewerApplet.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
42  */
43 public class EmbeddedViewerApplet extends javax.swing.JApplet JavaDoc
44 {
45
46
47     /**
48      *
49      */
50     private JasperPrint jasperPrint = null;
51
52
53     /** Creates new form AppletViewer */
54     public EmbeddedViewerApplet()
55     {
56         initComponents();
57     }
58
59
60     /**
61     *
62     */
63     public void init()
64     {
65         String JavaDoc url = getParameter("REPORT_URL");
66         if (url != null)
67         {
68             try
69             {
70                 jasperPrint = (JasperPrint)JRLoader.loadObject(new URL JavaDoc(getCodeBase(), url));
71                 if (jasperPrint != null)
72                 {
73                     JRViewerSimple viewer = new JRViewerSimple(jasperPrint);
74                     this.pnlMain.add(viewer, BorderLayout.CENTER);
75                 }
76             }
77             catch (Exception JavaDoc e)
78             {
79                 StringWriter JavaDoc swriter = new StringWriter JavaDoc();
80                 PrintWriter JavaDoc pwriter = new PrintWriter JavaDoc(swriter);
81                 e.printStackTrace(pwriter);
82                 JOptionPane.showMessageDialog(this, swriter.toString());
83             }
84         }
85         else
86         {
87             JOptionPane.showMessageDialog(this, "Source URL not specified");
88         }
89     }
90
91
92     /** This method is called from within the constructor to
93      * initialize the form.
94      * WARNING: Do NOT modify this code. The content of this method is
95      * always regenerated by the Form Editor.
96      */
97     private void initComponents() {//GEN-BEGIN:initComponents
98 pnlMain = new javax.swing.JPanel JavaDoc();
99
100         pnlMain.setLayout(new java.awt.BorderLayout JavaDoc());
101
102         getContentPane().add(pnlMain, java.awt.BorderLayout.CENTER);
103
104     }//GEN-END:initComponents
105
106     
107     // Variables declaration - do not modify//GEN-BEGIN:variables
108 private javax.swing.JPanel JavaDoc pnlMain;
109     // End of variables declaration//GEN-END:variables
110
111 }
112
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