org.jline.reader.UserInterruptException Java Examples

The following examples show how to use org.jline.reader.UserInterruptException. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source Project: ksql-fork-with-deep-learning-function   Author: kaiwaehner   File: Cli.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Attempt to read a logical line of input from the user. Can span multiple physical lines, as
 * long as all but the last end with '\\'.
 *
 * @return The parsed, logical line.
 * @throws EndOfFileException If there is no more input available from the user.
 * @throws IOException        If any other I/O error occurs.
 */
private String readLine() throws IOException {
  while (true) {
    try {
      String result = terminal.getLineReader().readLine();
      // A 'dumb' terminal (the kind used at runtime if a 'system' terminal isn't available) will
      // return null on EOF and user interrupt, instead of throwing the more fine-grained
      // exceptions. This null-check helps ensure that, upon encountering EOF, even a 'dumb'
      // terminal will be able to exit intelligently.
      if (result == null) {
        throw new EndOfFileException();
      } else {
        return result.trim();
      }
    } catch (UserInterruptException exception) {
      // User hit ctrl-C, just clear the current line and try again.
      terminal.writer().println("^C");
      terminal.flush();
    }
  }
}
 
Example #2
Source Project: TerminalConsoleAppender   Author: Minecrell   File: SimpleTerminalConsole.java    License: MIT License 6 votes vote down vote up
private void readCommands(Terminal terminal) {
    LineReader reader = buildReader(LineReaderBuilder.builder().terminal(terminal));
    TerminalConsoleAppender.setReader(reader);

    try {
        String line;
        while (isRunning()) {
            try {
                line = reader.readLine("> ");
            } catch (EndOfFileException ignored) {
                // Continue reading after EOT
                continue;
            }

            if (line == null) {
                break;
            }

            processInput(line);
        }
    } catch (UserInterruptException e) {
        shutdown();
    } finally {
        TerminalConsoleAppender.setReader(null);
    }
}
 
Example #3
Source Project: rdf4j   Author: eclipse   File: Console.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
/**
 * Start the interactive console, return error code on exit
 *
 * @throws IOException
 */
public void start() throws IOException {
	loadSettings();
	loadHistory();

	consoleIO.writeln(APP_CFG.getFullName());
	consoleIO.writeln("Working dir: " + settingMap.get(WorkDir.NAME).getAsString());
	consoleIO.writeln("Type 'help' for help.");

	int exitCode = 0;
	try {
		boolean exitFlag = false;
		while (!exitFlag) {
			final String command = consoleIO.readCommand();
			if (command == null) {
				// EOF
				break;
			}
			exitFlag = executeCommand(command);
			if (exitOnError && consoleIO.wasErrorWritten()) {
				exitCode = 2;
				exitFlag = true;
			}
		}
	} catch (UserInterruptException | EndOfFileException e) {
		exitCode = 0;
	} finally {
		disconnect.execute(false);
	}

	saveSettings();
	saveHistory();

	if (exitCode != 0) {
		System.exit(exitCode);
	}
	consoleIO.writeln("Bye");
	consoleIO.getOutputStream().close();
}
 
Example #4
Source Project: rug-cli   Author: atomist-attic   File: LoginCommand.java    License: GNU General Public License v3.0 6 votes vote down vote up
private void login(String username, String code, Settings settings) {
    printBanner();

    LineReader reader = ShellUtils.lineReader(null, Optional.empty());
    try {
        if (username == null) {
            username = reader.readLine(getPrompt("Username"));
        }
        String password = reader.readLine(getPrompt("Password"), new Character('*'));
        postForTokenAndHandleResponse(username, password, code, settings, reader);
    }
    catch (EndOfFileException | UserInterruptException e) {
        log.error("Canceled!");
    }
    finally {
        ShellUtils.shutdown(reader);
    }
}
 
Example #5
Source Project: sshd-shell-spring-boot   Author: anand1st   File: TerminalProcessor.java    License: Apache License 2.0 5 votes vote down vote up
private void processInputs(LineReader reader, IntConsumer exitCallback) {
    try {
        processUserInput(reader, exitCallback);
    } catch (UserInterruptException ex) {
        // Need not concern with this exception
        log.warn("[{}] Ctrl-C interrupt", SshSessionContext.<String>get(Constants.USER));
        exitCallback.accept(1);
    }
}
 
Example #6
Source Project: jsqsh   Author: scgray   File: Setup.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public int execute(Session session, SqshOptions opts) throws Exception {
    
    Options options = (Options)opts;
    LineReader in = session.getContext().getConsole().getSimpleLineReader();

    try {

        if (options.arguments.size() > 0) {

            String path = options.arguments.get(0);
            if (path.equals("connections")) {

                doConnectionWizard(session, session.out, in);
            }
            else if (path.equals("drivers")) {

                doDriverWizard(session, session.out, in);
            }
            else {

                session.err.println("Unrecognized setup type \"" + path + "\"");
            }
        } else {

            doWelcome(session, session.out, in);
        }
    }
    catch (UserInterruptException e) {

        session.err.println("Aborting setup");
        return 1;
    }
        
    return 0;
}
 
Example #7
Source Project: rdflint   Author: imas   File: InteractiveMode.java    License: MIT License 4 votes vote down vote up
/**
 * execute interacitve mode.
 */
void execute(Map<String, String> cmdOptions) throws IOException {
  // initialize graph model
  Model m = ModelFactory.createDefaultModel();

  // initialize jline
  Terminal terminal = TerminalBuilder.builder()
      .system(true)
      .build();
  LineReader lineReader = LineReaderBuilder.builder()
      .terminal(terminal)
      .completer(new InteractiveCompleter(m))
      .parser(new InteractiveParser())
      .build();

  String welcome = MessageFormat
      .format(messages.getString("interactivemode.welcome"), RdfLint.VERSION);
  System.out.println(welcome);// NOPMD

  RdfLintParameters params = new RdfLintParameters();
  try {
    // load configurations
    params = ConfigurationLoader.loadParameters(cmdOptions);
    // load rdf
    m.removeAll();
    m.add(DatasetLoader.loadRdfSet(params, params.getTargetDir()));
  } catch (Exception ex) {
    System.out.println(ex.getLocalizedMessage()); // NOPMD
  }

  while (true) {
    String line;

    try {
      line = lineReader.readLine("SPARQL> ");
    } catch (UserInterruptException | EndOfFileException e) {
      return;
    }

    if (!interactiveCommand(System.out, line, params, cmdOptions, m)) {
      return;
    }
  }
}