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

Example 1 with Process

use of org.apache.felix.service.command.Process 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 Process

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

the class Builtin method type.

// FIXME: expose API in runtime so type command doesn't have to duplicate the runtime
// command search strategy.
public boolean type(CommandSession session, String[] argv) throws Exception {
    final String[] usage = { "type - show command type", "Usage: type [OPTIONS] [name[:]]", "  -a --all                 show all matches", "  -? --help                show help", "  -q --quiet               don't print anything, just return status", "  -s --scope=NAME          list all commands in named scope", "  -t --types               show full java type names" };
    Process process = Process.Utils.current();
    Options opt = Options.compile(usage).parse(argv);
    List<String> args = opt.args();
    if (opt.isSet("help")) {
        opt.usage(process.err());
        return true;
    }
    boolean all = opt.isSet("all");
    String optScope = null;
    if (opt.isSet("scope")) {
        optScope = opt.get("scope");
    }
    if (args.size() == 1) {
        String arg = args.get(0);
        if (arg.endsWith(":")) {
            optScope = args.remove(0);
        }
    }
    if (optScope != null || (args.isEmpty() && all)) {
        Set<String> snames = new TreeSet<String>();
        for (String sname : (getCommands(session))) {
            if ((optScope == null) || sname.startsWith(optScope)) {
                snames.add(sname);
            }
        }
        for (String sname : snames) {
            process.out().println(sname);
        }
        return true;
    }
    if (args.size() == 0) {
        Map<String, Integer> scopes = new TreeMap<String, Integer>();
        for (String sname : getCommands(session)) {
            int colon = sname.indexOf(':');
            String scope = sname.substring(0, colon);
            Integer count = scopes.get(scope);
            if (count == null) {
                count = 0;
            }
            scopes.put(scope, ++count);
        }
        for (Entry<String, Integer> entry : scopes.entrySet()) {
            process.out().println(entry.getKey() + ":" + entry.getValue());
        }
        return true;
    }
    final String name = args.get(0).toLowerCase();
    final int colon = name.indexOf(':');
    // FIXME: must match Reflective.java
    final String MAIN = "_main";
    StringBuilder buf = new StringBuilder();
    Set<String> cmds = new LinkedHashSet<String>();
    // get all commands
    if ((colon != -1) || (session.get(name) != null)) {
        cmds.add(name);
    } else if (session.get(MAIN) != null) {
        cmds.add(MAIN);
    } else {
        String path = session.get("SCOPE") != null ? session.get("SCOPE").toString() : "*";
        for (String s : path.split(":")) {
            if (s.equals("*")) {
                for (String sname : getCommands(session)) {
                    if (sname.endsWith(":" + name)) {
                        cmds.add(sname);
                        if (!all) {
                            break;
                        }
                    }
                }
            } else {
                String sname = s + ":" + name;
                if (session.get(sname) != null) {
                    cmds.add(sname);
                    if (!all) {
                        break;
                    }
                }
            }
        }
    }
    for (String key : cmds) {
        Object target = session.get(key);
        if (target == null) {
            continue;
        }
        CharSequence source = getClosureSource(session, key);
        if (source != null) {
            buf.append(name);
            buf.append(" is function {");
            buf.append(source);
            buf.append("}");
            continue;
        }
        for (Method m : getMethods(session, key)) {
            StringBuilder params = new StringBuilder();
            for (Class<?> type : m.getParameterTypes()) {
                if (params.length() > 0) {
                    params.append(", ");
                }
                params.append(type.getSimpleName());
            }
            String rtype = m.getReturnType().getSimpleName();
            if (buf.length() > 0) {
                buf.append("\n");
            }
            if (opt.isSet("types")) {
                String cname = m.getDeclaringClass().getName();
                buf.append(String.format("%s %s.%s(%s)", rtype, cname, m.getName(), params));
            } else {
                buf.append(String.format("%s is %s %s(%s)", name, rtype, key, params));
            }
        }
    }
    if (buf.length() > 0) {
        if (!opt.isSet("quiet")) {
            process.out().println(buf);
        }
        return true;
    }
    if (!opt.isSet("quiet")) {
        process.err().println("type: " + name + " not found.");
    }
    return false;
}

Example 3 with Process

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

the class Builtin method set.

public void set(CommandSession session, String[] argv) throws Exception {
    final String[] usage = { "set - show session variables", "Usage: set [OPTIONS] [PREFIX]", "  -? --help                show help", "  -a --all                 show all variables, including those starting with .", "  -x                       set xtrace option", "  +x                       unset xtrace option", "If PREFIX given, then only show variable(s) starting with PREFIX" };
    Process process = Process.Utils.current();
    Options opt = Options.compile(usage).parse(argv);
    if (opt.isSet("help")) {
        opt.usage(process.err());
        return;
    }
    List<String> args = opt.args();
    String prefix = (args.isEmpty() ? "" : args.get(0));
    if (opt.isSet("x")) {
        session.put("echo", true);
    } else if ("+x".equals(prefix)) {
        session.put("echo", null);
    } else {
        boolean all = opt.isSet("all");
        for (String key : new TreeSet<String>(Shell.getVariables(session))) {
            if (!key.startsWith(prefix))
                continue;
            if (key.startsWith(".") && !(all || prefix.length() > 0))
                continue;
            Object target = session.get(key);
            String type = null;
            String value = null;
            if (target != null) {
                Class<? extends Object> clazz = target.getClass();
                type = clazz.getSimpleName();
                value = target.toString();
            }
            String trunc = value == null || value.length() < 55 ? "" : "...";
            process.out().println(String.format("%-15.15s %-15s %.45s%s", type, key, value, trunc));
        }
    }
}

Example 4 with Process

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

the class Builtin method keymap.

public void keymap(CommandSession session, String[] argv) {
    Process process = Process.Utils.current();
    Commands.keymap(Shell.getReader(session), process.out(), process.err(), argv);
}

Example 5 with Process

use of org.apache.felix.service.command.Process 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());
        }
    }
}