1 package tim.prune.load;
4 import java.util.ArrayList;
5 import javax.swing.JFileChooser;
6 import javax.swing.JFrame;
9 import tim.prune.config.Config;
10 import tim.prune.load.xml.GzipFileLoader;
11 import tim.prune.load.xml.XmlFileLoader;
12 import tim.prune.load.xml.ZipFileLoader;
16 * Generic FileLoader class to select a file
17 * and pass handling on to appropriate loader
19 public class FileLoader
22 private JFileChooser _fileChooser = null;
23 private JFrame _parentFrame;
24 private TextFileLoader _textFileLoader = null;
25 private NmeaFileLoader _nmeaFileLoader = null;
26 private XmlFileLoader _xmlFileLoader = null;
27 private ZipFileLoader _zipFileLoader = null;
28 private GzipFileLoader _gzipFileLoader = null;
33 * @param inApp Application object to inform of track load
34 * @param inParentFrame parent frame to reference for dialogs
36 public FileLoader(App inApp, JFrame inParentFrame)
39 _parentFrame = inParentFrame;
40 _textFileLoader = new TextFileLoader(inApp, inParentFrame);
41 _nmeaFileLoader = new NmeaFileLoader(inApp);
42 _xmlFileLoader = new XmlFileLoader(inApp);
43 _zipFileLoader = new ZipFileLoader(inApp, _xmlFileLoader);
44 _gzipFileLoader = new GzipFileLoader(inApp, _xmlFileLoader);
49 * Select an input file and open the GUI frame
50 * to select load options
52 public void openFile()
54 // Construct file chooser if necessary
55 if (_fileChooser == null)
57 _fileChooser = new JFileChooser();
58 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.txt", new String[] {"txt", "text"}));
59 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.gpx", new String[] {"gpx"}));
60 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.kml", new String[] {"kml"}));
61 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.kmz", new String[] {"kmz"}));
62 _fileChooser.setAcceptAllFileFilterUsed(true);
63 // start from directory in config if already set (by load jpegs)
64 String configDir = Config.getConfigString(Config.KEY_TRACK_DIR);
65 if (configDir == null) {configDir = Config.getConfigString(Config.KEY_PHOTO_DIR);}
66 if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
67 _fileChooser.setMultiSelectionEnabled(true); // Allow multiple selections
69 // Show the open dialog
70 if (_fileChooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
72 File[] files = _fileChooser.getSelectedFiles();
73 // Loop through files looking for files which exist and are readable
74 ArrayList<File> dataFiles = new ArrayList<File>();
77 for (int i=0; i<files.length; i++)
80 if (file.exists() && file.isFile() && file.canRead())
86 if (dataFiles.size() > 0) {
87 _app.loadDataFiles(dataFiles);
91 // couldn't find any files to load - show error message
92 _app.showErrorMessage("error.load.dialogtitle", "error.load.noread");
98 * Open the selected input file
99 * @param inFile file to open
101 public void openFile(File inFile)
103 // Store directory in config for later
104 File parent = inFile.getParentFile();
105 if (parent != null) {
106 Config.setConfigString(Config.KEY_TRACK_DIR, parent.getAbsolutePath());
108 // Check file type to see if it's xml or just normal text
109 String fileExtension = inFile.getName().toLowerCase();
110 if (fileExtension.length() > 4) {
111 fileExtension = fileExtension.substring(fileExtension.length() - 4);
113 if (fileExtension.equals(".kml") || fileExtension.equals(".gpx")
114 || fileExtension.equals(".xml"))
116 // Use xml loader for kml, gpx and xml filenames
117 _xmlFileLoader.openFile(inFile);
119 else if (fileExtension.equals(".kmz") || fileExtension.equals(".zip"))
121 // Use zip loader for zipped kml (or zipped gpx)
122 _zipFileLoader.openFile(inFile);
124 else if (fileExtension.endsWith(".gz") || fileExtension.equals("gzip"))
126 // Use gzip loader for gzipped xml
127 _gzipFileLoader.openFile(inFile);
129 else if (fileExtension.equals("nmea"))
131 _nmeaFileLoader.openFile(inFile);
135 // Use text loader for everything else
136 _textFileLoader.openFile(inFile);
141 * @return the last delimiter character used for a text file load
143 public char getLastUsedDelimiter()
145 return _textFileLoader.getLastUsedDelimiter();