Java Code Examples for jline.console.ConsoleReader#flush()

The following examples show how to use jline.console.ConsoleReader#flush() . 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 File: SparqlPrompt.java    From rya with Apache License 2.0 6 votes vote down vote up 
@Override
public Optional<String> getSparqlWithResults() throws IOException {
    final ConsoleReader reader = getReader();
    reader.setCopyPasteDetection(true); // disable tab completion from activating
    reader.setHistoryEnabled(false);    // don't store SPARQL fragments in the command history
    try {
        reader.println("To see more results press [Enter].");
        reader.println("Type '" + STOP_COMMAND + "' to stop showing results.");
        reader.flush();

        final String line = reader.readLine("> ");
        if(line.endsWith(STOP_COMMAND)) {
            return Optional.of(STOP_COMMAND);
        }
        return Optional.absent();
    } finally {
        reader.setHistoryEnabled(true);      // restore the ConsoleReader's settings
        reader.setCopyPasteDetection(false); // restore tab completion
    }
}
Example 2
Source File: JLineCompletionHandler.java    From elasticshell with Apache License 2.0 6 votes vote down vote up 
/**
 * Prints out the candidates. If the size of the candidates is greater than the
 * {@link ConsoleReader#getAutoprintThreshold}, a warning is printed
 *
 * @param candidates the list of candidates to print
 */
protected void printCandidates(final ConsoleReader reader, List<CharSequence> candidates) throws IOException {

    Set<CharSequence> distinctCandidates = new HashSet<CharSequence>(candidates);
    if (distinctCandidates.size() > reader.getAutoprintThreshold()) {
        reader.println();
        reader.print(Messages.DISPLAY_CANDIDATES.format(candidates.size()));
        reader.flush();

        char[] allowed = {'y', 'n'};
        int c;
        while ((c = reader.readCharacter(allowed)) != -1) {
            if (c=='n') {
                reader.println();
                return;
            }
            if (c=='y') {
                break;
            }
            reader.beep();
        }
    }

    reader.println();
    reader.printColumns(sortCandidates(distinctCandidates));
}
Example 3
Source File: ConsoleUtil.java    From reactive-grpc with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
public static CursorBuffer stashLine(ConsoleReader console) {
    CursorBuffer stashed = console.getCursorBuffer().copy();
    try {
        console.getOutput().write("\u001b[1G\u001b[K");
        console.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return stashed;
}
Example 4
Source File: ConsoleUtil.java    From reactive-grpc with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
public static void printLine(ConsoleReader console, String author, String message) {
    try {
        CursorBuffer stashed = stashLine(console);
        console.println(author + " > " + message);
        unstashLine(console, stashed);
        console.flush();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
Example 5
Source File: ConsoleUtil.java    From reactive-grpc with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
public static CursorBuffer stashLine(ConsoleReader console) {
    CursorBuffer stashed = console.getCursorBuffer().copy();
    try {
        console.getOutput().write("\u001b[1G\u001b[K");
        console.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return stashed;
}
Example 6
Source File: SparqlPrompt.java    From rya with Apache License 2.0 5 votes vote down vote up 
@Override
public Optional<String> getSparql() throws IOException {
    final ConsoleReader reader = getReader();
    reader.setCopyPasteDetection(true); // disable tab completion from activating
    reader.setHistoryEnabled(false);    // don't store SPARQL fragments in the command history
    try {
        reader.println("Enter a SPARQL Query.");
        reader.println("Type '" + EXECUTE_COMMAND + "' to execute the current query.");
        reader.println("Type '" + CLEAR_COMMAND + "' to clear the current query.");
        reader.flush();

        final StringBuilder sb = new StringBuilder();
        String line = reader.readLine("SPARQL> ");
        while (!line.endsWith(CLEAR_COMMAND) && !line.endsWith(EXECUTE_COMMAND)) {
            sb.append(line).append("\n");
            line = reader.readLine("     -> ");
        }

        if (line.endsWith(EXECUTE_COMMAND)) {
            sb.append(line.substring(0, line.length() - EXECUTE_COMMAND.length()));
            return Optional.of(sb.toString());
        }
        return Optional.absent();
    } finally {
        reader.setHistoryEnabled(true);      // restore the ConsoleReader's settings
        reader.setCopyPasteDetection(false); // restore tab completion
    }
}
Example 7
Source File: ConsoleUtil.java    From reactive-grpc with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
public static void printLine(ConsoleReader console, String author, String message) throws IOException {
    CursorBuffer stashed = stashLine(console);
    console.println(author + " > " + message);
    unstashLine(console, stashed);
    console.flush();
}
Example 8
Source File: Main.java    From java-repl with Apache License 2.0 4 votes vote down vote up 
public static void printCandidates(final ConsoleReader reader, Collection<CharSequence> candidates) throws
        IOException {
    Set<CharSequence> distinct = new HashSet<CharSequence>(candidates);

    if (distinct.size() > reader.getAutoprintThreshold()) {
        //noinspection StringConcatenation
        reader.print(Messages.DISPLAY_CANDIDATES.format(candidates.size()));
        reader.flush();

        int c;

        String noOpt = Messages.DISPLAY_CANDIDATES_NO.format();
        String yesOpt = Messages.DISPLAY_CANDIDATES_YES.format();
        char[] allowed = {yesOpt.charAt(0), noOpt.charAt(0)};

        while ((c = reader.readCharacter(allowed)) != -1) {
            String tmp = new String(new char[]{(char) c});

            if (noOpt.startsWith(tmp)) {
                reader.println();
                return;
            } else if (yesOpt.startsWith(tmp)) {
                break;
            } else {
                reader.beep();
            }
        }
    }

    // copy the values and make them distinct, without otherwise affecting the ordering. Only do it if the sizes differ.
    if (distinct.size() != candidates.size()) {
        Collection<CharSequence> copy = new ArrayList<CharSequence>();

        for (CharSequence next : candidates) {
            if (!copy.contains(next)) {
                copy.add(next);
            }
        }

        candidates = copy;
    }

    reader.println();
    reader.printColumns(candidates);
}