Examples with Terminal org.jline.terminal.Terminal used on opensource projects

Example 31 with Terminal

use of org.jline.terminal.Terminal in project flink by apache.

the class CliClientITCase method runSqlStatements.

/**
 * Returns printed results for each ran SQL statements.
 *
 * @param statements the SQL statements to run
 * @return the printed results on SQL Client
 */
private List<Result> runSqlStatements(List<String> statements) throws IOException {
    final String sqlContent = String.join("", statements);
    DefaultContext defaultContext = new DefaultContext(Collections.emptyList(), new Configuration(MINI_CLUSTER_RESOURCE.getClientConfiguration()).set(ExecutionConfigOptions.TABLE_EXEC_LEGACY_CAST_BEHAVIOUR, ExecutionConfigOptions.LegacyCastBehaviour.DISABLED), Collections.singletonList(new DefaultCLI()));
    final Executor executor = new LocalExecutor(defaultContext);
    InputStream inputStream = new ByteArrayInputStream(sqlContent.getBytes());
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(256);
    String sessionId = executor.openSession("test-session");
    try (Terminal terminal = new DumbTerminal(inputStream, outputStream);
        CliClient client = new CliClient(() -> terminal, sessionId, executor, historyPath, HideSqlStatement.INSTANCE)) {
        client.executeInInteractiveMode();
        String output = new String(outputStream.toByteArray());
        return normalizeOutput(output);
    }
}

Example 32 with Terminal

use of org.jline.terminal.Terminal in project flink by apache.

the class CliClientTest method testHistoryFile.

@Test
public void testHistoryFile() throws Exception {
    final MockExecutor mockExecutor = new MockExecutor();
    String sessionId = mockExecutor.openSession("test-session");
    InputStream inputStream = new ByteArrayInputStream("help;\nuse catalog cat;\n".getBytes());
    Path historyFilePath = historyTempFile();
    try (Terminal terminal = new DumbTerminal(inputStream, new TerminalUtils.MockOutputStream());
        CliClient client = new CliClient(() -> terminal, sessionId, mockExecutor, historyFilePath, null)) {
        client.executeInInteractiveMode();
        List<String> content = Files.readAllLines(historyFilePath);
        assertThat(content.size()).isEqualTo(2);
        assertThat(content.get(0)).contains("help");
        assertThat(content.get(1)).contains("use catalog cat");
    }
}

Example 33 with Terminal

use of org.jline.terminal.Terminal in project flink by apache.

the class CliView method unsetTerminalFullScreen.

private void unsetTerminalFullScreen() {
    final Terminal terminal = client.getTerminal();
    terminal.puts(Capability.exit_ca_mode);
    terminal.puts(Capability.keypad_local);
    terminal.puts(Capability.cursor_visible);
}

Example 34 with Terminal

use of org.jline.terminal.Terminal in project flink by apache.

the class CliView method restoreTerminal.

private void restoreTerminal(Tuple2<Attributes, Map<Signal, SignalHandler>> prev) {
    final Terminal terminal = client.getTerminal();
    terminal.setAttributes(prev.f0);
    prev.f1.forEach(terminal::handle);
}

Example 35 with Terminal

use of org.jline.terminal.Terminal in project flink by apache.

the class CliView method prepareTerminal.

private Tuple2<Attributes, Map<Signal, SignalHandler>> prepareTerminal() {
    final Terminal terminal = client.getTerminal();
    final Attributes prevAttributes = terminal.getAttributes();
    // adopted from org.jline.builtins.Nano
    // see also
    // https://en.wikibooks.org/wiki/Serial_Programming/termios#Basic_Configuration_of_a_Serial_Interface
    // no line processing
    // canonical mode off, echo off, echo newline off, extended input processing off
    Attributes newAttr = new Attributes(prevAttributes);
    newAttr.setLocalFlags(EnumSet.of(LocalFlag.ICANON, LocalFlag.ECHO, LocalFlag.IEXTEN), false);
    // turn off input processing
    newAttr.setInputFlags(EnumSet.of(Attributes.InputFlag.IXON, Attributes.InputFlag.ICRNL, Attributes.InputFlag.INLCR), false);
    // one input byte is enough to return from read, inter-character timer off
    newAttr.setControlChar(Attributes.ControlChar.VMIN, 1);
    newAttr.setControlChar(Attributes.ControlChar.VTIME, 0);
    newAttr.setControlChar(Attributes.ControlChar.VINTR, 0);
    terminal.setAttributes(newAttr);
    final Map<Signal, SignalHandler> prevSignals = new HashMap<>();
    prevSignals.put(Signal.WINCH, terminal.handle(Signal.WINCH, this::handleSignal));
    prevSignals.put(Signal.INT, terminal.handle(Signal.INT, this::handleSignal));
    prevSignals.put(Signal.QUIT, terminal.handle(Signal.QUIT, this::handleSignal));
    return Tuple2.of(prevAttributes, prevSignals);
}