@Override
public String readLine(final Character mask) throws IOException {
String line;
if (mask != null) {
line = reader.readLine(mask);
} else {
line = reader.readLine();
}
if ((line != null) && !"\n".equals(line)) {
write((byte) '\n');
}
flush();
return line;
}
@Override
public int scan() {
try {
return reader.readVirtualKey();
} catch (IOException e) {
return -1;
}
}
private void _setHistory(final List<String> lines) {
MemoryHistory history = new MemoryHistory();
for (String line : lines) {
history.add(line);
}
reader.setHistory(history);
}
@Override
public String promptWithCompleter(String message, final Completer tempCompleter) {
synchronized (executorLock) {
if (!message.isEmpty() && message.matches("^.*\\S$")) {
message = message + " ";
}
message = renderColor(ShellColor.CYAN, " ? ") + message;
try {
reader.removeCompleter(this.completer);
if (tempCompleter != null) {
reader.addCompleter(tempCompleter);
}
reader.setHistoryEnabled(false);
reader.setPrompt(message);
flush();
Callable<String> call =
new Callable<String>() {
@Override
public String call() throws Exception {
return readLine();
}
};
ReturnValueThread<String> thread = new ReturnValueThread<String>(call);
executorThread = thread;
thread.run();
thread.join();
if (interruptedState) {
throw new AbortedException();
}
flush();
if (thread.getException() instanceof EndOfStreamException) {
throw (EndOfStreamException) thread.getException();
}
return thread.getValue();
} catch (InterruptedException e) {
throw new RuntimeException("[killed]");
} finally {
if (tempCompleter != null) {
reader.removeCompleter(tempCompleter);
}
reader.addCompleter(this.completer);
reader.setHistoryEnabled(true);
reader.setPrompt("");
interruptedState = false;
}
}
}
void doShell(@Observes final AcceptUserInput event) throws Exception {
String line;
reader.setPrompt(getPrompt());
while (!exitRequested) {
try {
line = readLine();
if (line != null) {
if (!"".equals(line.trim())) {
writeToHistory(line);
execute(line);
flush();
}
reader.setPrompt(getPrompt());
}
} catch (Exception e) {
handleException(e);
}
}
}
@Override
public String promptSecret(String message) {
if (!message.isEmpty() && message.matches("^.*\\S$")) {
message = message + " ";
}
message = renderColor(ShellColor.CYAN, " ? ") + message;
try {
reader.removeCompleter(this.completer);
reader.setHistoryEnabled(false);
reader.setPrompt(message);
flush();
String line = readLine('*');
flush();
return line;
} catch (IOException e) {
throw new IllegalStateException("Shell input stream failure", e);
} finally {
reader.addCompleter(this.completer);
reader.setHistoryEnabled(true);
reader.setPrompt("");
}
}
private void _flushBuffer() throws IOException {
if (bufferingMode == BufferingMode.Direct) {
reader.flush();
}
}
@Override
public boolean isAnsiSupported() {
return (reader != null) && reader.getTerminal().isAnsiSupported();
}
@Override
public void registerKeyListener(final KeyListener keyListener) {
reader.registerKeyListener(keyListener);
}
@Override
public int getAbsoluteHeight() {
return reader.getTerminal().getHeight();
}