/**
* Create a new reader.
*
* @param in the input
* @param out the output
* @param bindings the key bindings to use
* @param term the terminal to use
*/
public ConsoleReader(InputStream in, Writer out, InputStream bindings, Terminal term)
throws IOException {
this.terminal = term;
setInput(in);
this.out = out;
if (bindings == null) {
try {
String bindingFile =
System.getProperty(
"jline.keybindings",
new File(System.getProperty("user.home", ".jlinebindings.properties"))
.getAbsolutePath());
if (new File(bindingFile).isFile()) {
bindings = new FileInputStream(new File(bindingFile));
}
} catch (Exception e) {
// swallow exceptions with option debugging
if (debugger != null) {
e.printStackTrace(debugger);
}
}
}
if (bindings == null) {
bindings = terminal.getDefaultBindings();
}
this.keybindings = new short[Character.MAX_VALUE * 2];
Arrays.fill(this.keybindings, UNKNOWN);
/**
* Loads the key bindings. Bindings file is in the format:
*
* <p>keycode: operation name
*/
if (bindings != null) {
Properties p = new Properties();
p.load(bindings);
bindings.close();
for (Iterator i = p.keySet().iterator(); i.hasNext(); ) {
String val = (String) i.next();
try {
Short code = new Short(val);
String op = (String) p.getProperty(val);
Short opval = (Short) KEYMAP_NAMES.get(op);
if (opval != null) {
keybindings[code.shortValue()] = opval.shortValue();
}
} catch (NumberFormatException nfe) {
consumeException(nfe);
}
}
// hardwired arrow key bindings
// keybindings[VK_UP] = PREV_HISTORY;
// keybindings[VK_DOWN] = NEXT_HISTORY;
// keybindings[VK_LEFT] = PREV_CHAR;
// keybindings[VK_RIGHT] = NEXT_CHAR;
}
}
/** Print all system property keys and values. */
public static void printSystemProperties() {
Properties p = System.getProperties();
for (Object key : p.keySet()) System.out.println(key + ": " + p.getProperty(key.toString()));
}