/**
* Returns value of a preference as a String
*
* @param key - The name of the preference
* @return The value of the preference
*/
public static String getString(String key) {
if (table.containsKey(key)) {
return table.getString(key);
} else {
System.err.println("Preference not found: " + key);
set(key, "0");
return "0";
}
}
/** Overwrites the file with current preferences */
public static void write() {
BufferedWriter out;
if (keys.isEmpty()) { // So we don't accidentally delete the preferences file
return;
}
try {
out = new BufferedWriter(new FileWriter("/home/lvuser/Preferences.txt"));
for (int i = 0; i < keys.size(); i++) {
if (!keys.get(i).equals("")) { // Empty String indicates a blank line
String line = keys.get(i) + DIVIDER + table.getString(keys.get(i));
out.write(line);
}
out.newLine();
}
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Returns the value at the specified key.
*
* @param key the key
* @param defaultValue The value returned if the key is undefined
* @return the value
* @throws NetworkTableKeyNotDefined if there is no value mapped to by the key
* @throws IllegalArgumentException if the value mapped to by the key is not a string
* @throws IllegalArgumentException if the key is null
*/
public static String getString(String key, String defaultValue) {
return table.getString(key, defaultValue);
}
/**
* Returns the value at the specified key.
*
* @param key the key
* @return the value
* @throws NetworkTableKeyNotDefined if there is no value mapped to by the key
* @throws IllegalArgumentException if the value mapped to by the key is not a string
* @throws IllegalArgumentException if the key is null
*/
public static String getString(String key) throws TableKeyNotDefinedException {
return table.getString(key);
}