--- /dev/null
+package tim.prune.config;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.Properties;
+
+
+/**
+ * Abstract class to hold application-wide configuration
+ */
+public abstract class Config
+{
+ /** File from which Config was loaded */
+ private static File _configFile = null;
+
+ /** Hashtable containing all config values */
+ private static Properties _configValues = new Properties();
+ /** Colour scheme object is also part of config */
+ private static ColourScheme _colourScheme = new ColourScheme();
+
+ /** Default config file */
+ private static final File DEFAULT_CONFIG_FILE = new File(".pruneconfig");
+
+ /** Key for track directory */
+ public static final String KEY_TRACK_DIR = "prune.trackdirectory";
+ /** Key for photo directory */
+ public static final String KEY_PHOTO_DIR = "prune.photodirectory";
+ /** Key for language code */
+ public static final String KEY_LANGUAGE_CODE = "prune.languagecode";
+ /** Key for language file */
+ public static final String KEY_LANGUAGE_FILE = "prune.languagefile";
+ /** Key for GPS device */
+ public static final String KEY_GPS_DEVICE = "prune.gpsdevice";
+ /** Key for GPS format */
+ public static final String KEY_GPS_FORMAT = "prune.gpsformat";
+ /** Key for Povray font */
+ public static final String KEY_POVRAY_FONT = "prune.povrayfont";
+ /** Key for metric/imperial */
+ public static final String KEY_METRIC_UNITS = "prune.metricunits";
+ /** Key for map server index */
+ public static final String KEY_MAPSERVERINDEX = "prune.mapserverindex";
+ /** Key for map server url */
+ public static final String KEY_MAPSERVERURL = "prune.mapserverurl";
+ /** Key for show map flag */
+ public static final String KEY_SHOW_MAP = "prune.showmap";
+ /** Key for width of thumbnails in kmz */
+ public static final String KEY_KMZ_IMAGE_WIDTH = "prune.kmzimagewidth";
+ /** Key for height of thumbnails in kmz */
+ public static final String KEY_KMZ_IMAGE_HEIGHT = "prune.kmzimageheight";
+ /** Key for gpsbabel path */
+ public static final String KEY_GPSBABEL_PATH = "prune.gpsbabelpath";
+ /** Key for gnuplot path */
+ public static final String KEY_GNUPLOT_PATH = "prune.gnuplotpath";
+ /** Key for exiftool path */
+ public static final String KEY_EXIFTOOL_PATH = "prune.exiftoolpath";
+ /** Key for colour scheme */
+ public static final String KEY_COLOUR_SCHEME = "prune.colourscheme";
+ /** Key for kml track colour */
+ public static final String KEY_KML_TRACK_COLOUR = "prune.kmltrackcolour";
+
+
+ /**
+ * Load the default configuration file
+ */
+ public static void loadDefaultFile()
+ {
+ try
+ {
+ loadFile(DEFAULT_CONFIG_FILE);
+ }
+ catch (ConfigException ce) {} // ignore
+ }
+
+
+ /**
+ * Load configuration from file
+ * @param inFile file to load
+ * @throws ConfigException if specified file couldn't be read
+ */
+ public static void loadFile(File inFile) throws ConfigException
+ {
+ // Start with default properties
+ Properties props = getDefaultProperties();
+ // Try to load the file into a properties object
+ boolean loadFailed = false;
+ FileInputStream fis = null;
+ try
+ {
+ fis = new FileInputStream(inFile);
+ props.load(fis);
+ }
+ catch (Exception e) {
+ loadFailed = true;
+ }
+ finally {
+ if (fis != null) try {
+ fis.close();
+ }
+ catch (Exception e) {}
+ }
+ // Save all properties from file
+ _configValues.putAll(props);
+ _colourScheme.loadFromHex(_configValues.getProperty(KEY_COLOUR_SCHEME));
+ if (loadFailed) {
+ throw new ConfigException();
+ }
+ // Store location of successfully loaded config file
+ _configFile = inFile;
+ }
+
+ /**
+ * @return Properties object containing default values
+ */
+ private static Properties getDefaultProperties()
+ {
+ Properties props = new Properties();
+ // Fill in defaults
+ props.put(KEY_GPS_DEVICE, "usb:");
+ props.put(KEY_GPS_FORMAT, "garmin");
+ props.put(KEY_POVRAY_FONT, "crystal.ttf"); // alternative: DejaVuSans-Bold.ttf
+ props.put(KEY_SHOW_MAP, "0"); // hide by default
+ props.put(KEY_EXIFTOOL_PATH, "exiftool");
+ props.put(KEY_GNUPLOT_PATH, "gnuplot");
+ props.put(KEY_GPSBABEL_PATH, "gpsbabel");
+ props.put(KEY_KMZ_IMAGE_WIDTH, "240");
+ props.put(KEY_KMZ_IMAGE_HEIGHT, "240");
+ return props;
+ }
+
+ /**
+ * @param inString String to parse
+ * @return int value of String, or 0 if unparseable
+ */
+ private static int parseInt(String inString)
+ {
+ int val = 0;
+ try {
+ val = Integer.parseInt(inString);
+ }
+ catch (Exception e) {} // ignore, value stays zero
+ return val;
+ }
+
+ /** @return File from which config was loaded (or null) */
+ public static File getConfigFile()
+ {
+ return _configFile;
+ }
+
+ /**
+ * @return config Properties object to allow all config values to be saved
+ */
+ public static Properties getAllConfig()
+ {
+ return _configValues;
+ }
+
+ /**
+ * @return the current colour scheme
+ */
+ public static ColourScheme getColourScheme()
+ {
+ return _colourScheme;
+ }
+
+ /**
+ * Store the given configuration setting
+ * @param inKey key (from constants)
+ * @param inValue value as string
+ */
+ public static void setConfigString(String inKey, String inValue)
+ {
+ if (inValue == null || inValue.equals("")) {
+ _configValues.remove(inKey);
+ }
+ else {
+ _configValues.put(inKey, inValue);
+ }
+ }
+
+ /**
+ * Store the given configuration setting
+ * @param inKey key (from constants)
+ * @param inValue value as boolean
+ */
+ public static void setConfigBoolean(String inKey, boolean inValue)
+ {
+ if (inKey != null && !inKey.equals(""))
+ {
+ _configValues.put(inKey, (inValue?"1":"0"));
+ }
+ }
+
+ /**
+ * Store the given configuration setting
+ * @param inKey key (from constants)
+ * @param inValue value as int
+ */
+ public static void setConfigInt(String inKey, int inValue)
+ {
+ if (inKey != null && !inKey.equals(""))
+ {
+ _configValues.put(inKey, "" + inValue);
+ }
+ }
+
+ /**
+ * Get the given configuration setting as a String
+ * @param inKey key
+ * @return configuration setting as a String
+ */
+ public static String getConfigString(String inKey)
+ {
+ return _configValues.getProperty(inKey);
+ }
+
+ /**
+ * Get the given configuration setting as a boolean
+ * @param inKey key
+ * @return configuration setting as a boolean
+ */
+ public static boolean getConfigBoolean(String inKey)
+ {
+ String val = _configValues.getProperty(inKey);
+ return (val == null || val.equals("1"));
+ }
+
+ /**
+ * Get the given configuration setting as an int
+ * @param inKey key
+ * @return configuration setting as an int
+ */
+ public static int getConfigInt(String inKey)
+ {
+ return parseInt(_configValues.getProperty(inKey));
+ }
+
+ /**
+ * Check whether the given key corresponds to a boolean property
+ * @param inKey key to check
+ * @return true if corresponding property is boolean
+ */
+ public static boolean isKeyBoolean(String inKey)
+ {
+ // Only two boolean keys so far
+ return inKey != null && (
+ inKey.equals(KEY_METRIC_UNITS) || inKey.equals(KEY_SHOW_MAP));
+ }
+
+ /**
+ * Update the colour scheme property from the current settings
+ */
+ public static void updateColourScheme()
+ {
+ setConfigString(KEY_COLOUR_SCHEME, _colourScheme.toString());
+ }
+}