altosui: discard invalid lines while reading Eeprom flight data
[fw/altos] / ao-tools / altosui / AltosLogfileChooser.java
1 /*
2  * Copyright © 2010 Keith Packard <keithp@keithp.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 2 of the License.
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11  * General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License along
14  * with this program; if not, write to the Free Software Foundation, Inc.,
15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
16  */
17
18 package altosui;
19
20 import java.awt.*;
21 import java.awt.event.*;
22 import javax.swing.*;
23 import javax.swing.filechooser.FileNameExtensionFilter;
24 import javax.swing.table.*;
25 import java.io.*;
26 import java.util.*;
27 import java.text.*;
28 import java.util.prefs.*;
29
30 import altosui.AltosPreferences;
31 import altosui.AltosReader;
32 import altosui.AltosEepromReader;
33 import altosui.AltosTelemetryReader;
34
35 public class AltosLogfileChooser extends JFileChooser {
36         JFrame  frame;
37         String  filename;
38         File    file;
39
40         public String filename() {
41                 return filename;
42         }
43
44         public File file() {
45                 return file;
46         }
47
48         public AltosReader runDialog() {
49                 int     ret;
50
51                 ret = showOpenDialog(frame);
52                 if (ret == APPROVE_OPTION) {
53                         file = getSelectedFile();
54                         if (file == null)
55                                 return null;
56                         filename = file.getName();
57                         try {
58                                 FileInputStream in;
59
60                                 in = new FileInputStream(file);
61                                 if (filename.endsWith("eeprom"))
62                                         return new AltosEepromReader(in);
63                                 else
64                                         return new AltosTelemetryReader(in);
65                         } catch (FileNotFoundException fe) {
66                                 JOptionPane.showMessageDialog(frame,
67                                                               filename,
68                                                               "Cannot open file",
69                                                               JOptionPane.ERROR_MESSAGE);
70                         }
71                 }
72                 return null;
73         }
74
75         public AltosLogfileChooser(JFrame in_frame) {
76                 frame = in_frame;
77                 setDialogTitle("Select Flight Record File");
78                 setFileFilter(new FileNameExtensionFilter("Flight data file",
79                                                           "eeprom",
80                                                           "telem"));
81                 setCurrentDirectory(AltosPreferences.logdir());
82         }
83 }