Example usage for java.io Console writer

Introduction

In this page you can find the example usage for java.io Console writer.

Prototype

public PrintWriter writer() 

Source Link

Document

Retrieves the unique java.io.PrintWriter PrintWriter object associated with this console.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {

    // creates a console object
    Console cnsl = System.console();

    // if console is not null
    if (cnsl != null) {

        // creates new print writer
        PrintWriter out = cnsl.writer();

        // prints
        out.println("Here is The Optimus Prime!!");
    }//from   w  ww. jav a 2  s  .  co  m

}

---

From source file:goeurotest.GoEuroTest.java

/**
 * @param args the command line arguments
 *///from   w w  w.j a v  a 2  s . c om
public static void main(String[] args) {

    Console console = System.console();

    if (args.length != 1) {
        if (console != null)
            console.writer().println("Usage: java -jar GoEuroTest.jar <CITY_NAME>");
        return;
    }

    URL url;

    try {
        url = new URL("http://api.goeuro.com/api/v2/position/suggest/en/" + args[0]);
    } catch (MalformedURLException ex) {
        if (console != null)
            console.writer().println("Malformed URL. Make sure the first parameter is the name of the city.");
        return;
    }

    String json;

    try {
        json = IOUtils.toString(url);
    } catch (IOException ex) {
        if (console != null)
            console.writer().println("Unable to contact the GoEuro API");
        return;
    }

    JsonParser parser = new JsonParser();

    try {
        JsonArray cities = parser.parse(json).getAsJsonArray();

        if (cities.size() == 0) {
            if (console != null)
                console.writer().println("No results found");
            return;
        }

        for (int i = 0; i < cities.size(); i++) {
            JsonObject city = cities.get(i).getAsJsonObject();
            String id = city.get("_id").getAsString();
            String name = city.get("name").getAsString();
            String type = city.get("type").getAsString();
            JsonObject geo_position = city.get("geo_position").getAsJsonObject();
            String latitude = geo_position.get("latitude").getAsString();
            String longitude = geo_position.get("longitude").getAsString();
            String entry = id + "," + name + "," + type + "," + latitude + "," + longitude;
            System.out.println(entry);

        }
    } catch (Exception e) {
        if (console != null)
            console.writer().println("Malformed API response.");
    }
}

---

From source file:org.hawkular.wildfly.agent.installer.AgentInstaller.java

/**
 * Reads password from the console (stdin).
 *
 * @param message to present before reading
 * @return password or null if console is not available
 *//* ww w  .ja v  a2 s  .c  om*/
private static String readPasswordFromStdin(String message) {
    Console console = System.console();
    if (console == null) {
        return null;
    }
    console.writer().write(message);
    console.writer().flush();
    return String.valueOf(console.readPassword());
}

---

From source file:org.olamy.puzzle.robot.input.cli.RobotMoverInputBuilderCli.java

@Override
public RobotMoverInput getRobotMoverInput() throws RobotMoverInputException {
    try {/*from w w w  .ja va2 s .  c  o  m*/
        Console console = System.console();
        PrintWriter writer = console.writer();
        writer.write("Hello in robot mover, have Fun ! " + SystemUtils.LINE_SEPARATOR);
        // so we could accept the user to configure the size of the table
        /**
         writer.write( "Initial Table (sample 5 5) : " );
         console.flush();
         String tablePos = console.readLine();
         Table table = RobotOrderUtils.buildTable( tablePos );
         */
        RobotMoverInput moverInput = new RobotMoverInput(Table.DEFAULT_TABLE);

        moverInput.setRobotOrder(getRobotOrder(console, writer, moverInput.getTable()));

        return moverInput;
    } catch (Exception e) {
        throw new RobotMoverInputException(e.getMessage(), e);
    }
}

---

From source file:org.xlrnet.tibaija.Application.java

private static VirtualCalculator getDefaultCalculator(CodeProvider codeProvider) throws IOException {
    Reader reader;/*from   w w w . j av a2s .c  o m*/
    Writer writer;

    if (System.console() != null) {
        Console console = System.console();
        reader = console.reader();
        writer = console.writer();
        LOGGER.debug("Initialised native system console");
    } else {
        reader = new InputStreamReader(System.in);
        writer = new OutputStreamWriter(System.out);
        LOGGER.debug("Initialised system I/O streams");
    }

    CalculatorIO io = new ConsoleIO(reader, writer);
    CalculatorMemory memory = new DefaultCalculatorMemory();
    HomeScreen homeScreen = new NullHomeScreen();
    FontRegistry fontRegistry = new FontRegistry();
    fontRegistry.registerFont(Paths.get("largeFont.json"), FontConstants.FONT_LARGE);
    fontRegistry.registerFont(Paths.get("smallFont.json"), FontConstants.FONT_SMALL);

    ExecutionEnvironment.newEnvironment(memory, io, codeProvider, homeScreen, fontRegistry);
    return new TI83Plus(memory, io, codeProvider);
}

---