Examples with Job org.apache.felix.service.command.Job used on opensource projects

Example 1 with Job

use of org.apache.felix.service.command.Job in project felix by apache.

the class Builtin method bg.

public void bg(CommandSession session, String[] argv) {
    final String[] usage = { "bg - put job in background", "Usage: bg [OPTIONS] [jobid]", "  -? --help                show help" };
    Process process = Process.Utils.current();
    Options opt = Options.compile(usage).parse(argv);
    if (opt.isSet("help")) {
        opt.usage(process.err());
        return;
    }
    if (opt.args().size() > 1) {
        process.err().println("usage: bg [jobid]");
        process.error(2);
        return;
    }
    List<Job> jobs = new ArrayList<>(session.jobs());
    Collections.reverse(jobs);
    Job current = Job.Utils.current();
    if (argv.length == 0) {
        Job job = jobs.stream().filter(j -> j != current).findFirst().orElse(null);
        if (job != null) {
            job.background();
        } else {
            process.err().println("bg: no current job");
            process.error(1);
        }
    } else {
        Job job = jobs.stream().filter(j -> j != current && argv[0].equals(Integer.toString(j.id()))).findFirst().orElse(null);
        if (job != null) {
            job.background();
        } else {
            process.err().println("bg: job not found: " + argv[0]);
            process.error(1);
        }
    }
}

Example 2 with Job

use of org.apache.felix.service.command.Job in project felix by apache.

the class Builtin method jobs.

public void jobs(CommandSession session, String[] argv) {
    final String[] usage = { "jobs - list jobs", "Usage: jobs [OPTIONS]", "  -? --help                show help" };
    Process process = Process.Utils.current();
    Options opt = Options.compile(usage).parse(argv);
    if (opt.isSet("help")) {
        opt.usage(process.err());
        return;
    }
    if (!opt.args().isEmpty()) {
        process.err().println("usage: jobs");
        process.error(2);
        return;
    }
    List<Job> jobs = session.jobs();
    Job current = Job.Utils.current();
    for (Job job : jobs) {
        if (job != current) {
            process.out().println("[" + job.id() + "] " + job.status().toString().toLowerCase() + " " + job.command());
        }
    }
}

Example 3 with Job

use of org.apache.felix.service.command.Job in project felix by apache.

the class Builtin method fg.

public void fg(CommandSession session, String[] argv) {
    final String[] usage = { "fg - put job in foreground", "Usage: fg [OPTIONS] [jobid]", "  -? --help                show help" };
    Process process = Process.Utils.current();
    Options opt = Options.compile(usage).parse(argv);
    if (opt.isSet("help")) {
        opt.usage(process.err());
        return;
    }
    if (opt.args().size() > 1) {
        process.err().println("usage: fg [jobid]");
        process.error(2);
        return;
    }
    List<Job> jobs = new ArrayList<>(session.jobs());
    Collections.reverse(jobs);
    Job current = Job.Utils.current();
    if (argv.length == 0) {
        Job job = jobs.stream().filter(j -> j != current).findFirst().orElse(null);
        if (job != null) {
            job.foreground();
        } else {
            process.err().println("fg: no current job");
            process.error(1);
        }
    } else {
        Job job = jobs.stream().filter(j -> j != current && argv[0].equals(Integer.toString(j.id()))).findFirst().orElse(null);
        if (job != null) {
            job.foreground();
        } else {
            process.err().println("fg: job not found: " + argv[0]);
            process.error(1);
        }
    }
}

Example 4 with Job

use of org.apache.felix.service.command.Job in project karaf by apache.

the class ConsoleSessionImpl method run.

public void run() {
    try {
        threadIO.setStreams(session.getKeyboard(), out, err);
        thread = Thread.currentThread();
        running = true;
        welcomeBanner();
        AtomicBoolean reading = new AtomicBoolean();
        session.setJobListener((job, previous, current) -> {
            if (previous == Status.Background || current == Status.Background || previous == Status.Suspended || current == Status.Suspended) {
                int width = terminal.getWidth();
                String status = current.name().toLowerCase();
                jlineTerminal.writer().write(getStatusLine(job, width, status));
                jlineTerminal.flush();
                if (reading.get()) {
                    reader.callWidget(LineReader.REDRAW_LINE);
                    reader.callWidget(LineReader.REDISPLAY);
                }
            }
        });
        jlineTerminal.handle(Signal.TSTP, s -> {
            Job current = session.foregroundJob();
            if (current != null) {
                current.suspend();
            }
        });
        jlineTerminal.handle(Signal.INT, s -> {
            Job current = session.foregroundJob();
            if (current != null) {
                current.interrupt();
            }
        });
        String scriptFileName = System.getProperty(SHELL_INIT_SCRIPT);
        executeScript(scriptFileName);
        while (running) {
            CharSequence command = readCommand(reading);
            if (command == null) {
                break;
            }
            if (command.length() > 0) {
                doExecute(command);
            }
        }
        close();
    } finally {
        try {
            threadIO.close();
        } catch (Throwable t) {
        // Ignore
        }
    }
}

Example 5 with Job

use of org.apache.felix.service.command.Job in project felix by apache.

the class Shell method runShell.

private Object runShell(final CommandSession session, Terminal terminal, LineReader reader) throws InterruptedException {
    AtomicBoolean reading = new AtomicBoolean();
    session.setJobListener((job, previous, current) -> {
        if (previous == Status.Background || current == Status.Background || previous == Status.Suspended || current == Status.Suspended) {
            int width = terminal.getWidth();
            String status = current.name().toLowerCase();
            terminal.writer().write(getStatusLine(job, width, status));
            terminal.flush();
            if (reading.get() && !stopping.get()) {
                reader.callWidget(LineReader.REDRAW_LINE);
                reader.callWidget(LineReader.REDISPLAY);
            }
        }
    });
    SignalHandler intHandler = terminal.handle(Signal.INT, s -> {
        Job current = session.foregroundJob();
        if (current != null) {
            current.interrupt();
        }
    });
    SignalHandler suspHandler = terminal.handle(Signal.TSTP, s -> {
        Job current = session.foregroundJob();
        if (current != null) {
            current.suspend();
        }
    });
    Object result = null;
    try {
        while (!stopping.get()) {
            try {
                reading.set(true);
                try {
                    String prompt = Shell.getPrompt(session);
                    String rprompt = Shell.getRPrompt(session);
                    if (stopping.get()) {
                        break;
                    }
                    reader.readLine(prompt, rprompt, null, null);
                } finally {
                    reading.set(false);
                }
                ParsedLine parsedLine = reader.getParsedLine();
                if (parsedLine == null) {
                    throw new EndOfFileException();
                }
                try {
                    result = session.execute(((ParsedLineImpl) parsedLine).program());
                    // set $_ to last result
                    session.put(Shell.VAR_RESULT, result);
                    if (result != null && !Boolean.FALSE.equals(session.get(".Gogo.format"))) {
                        System.out.println(session.format(result, Converter.INSPECT));
                    }
                } catch (Exception e) {
                    AttributedStringBuilder sb = new AttributedStringBuilder();
                    sb.style(sb.style().foreground(AttributedStyle.RED));
                    sb.append(e.toString());
                    sb.style(sb.style().foregroundDefault());
                    terminal.writer().println(sb.toAnsi(terminal));
                    terminal.flush();
                    session.put(Shell.VAR_EXCEPTION, e);
                }
                waitJobCompletion(session);
            } catch (UserInterruptException e) {
            // continue;
            } catch (EndOfFileException e) {
                reader.getHistory().save();
                break;
            }
        }
    } finally {
        terminal.handle(Signal.INT, intHandler);
        terminal.handle(Signal.TSTP, suspHandler);
    }
    return result;
}