Examples with CommandExitException dmg.util.CommandExitException used on opensource projects

Example 1 with CommandExitException

use of dmg.util.CommandExitException in project dcache by dCache.

the class ShellApplication method execute.

/**
 * Executes a single command with the output being printed to the console.
 */
public void execute(Args args) throws Throwable {
    if (args.argc() == 0) {
        return;
    }
    String out;
    try {
        if (isAnsiSupported && args.argc() > 0) {
            if (args.argv(0).equals("help")) {
                args.shift();
                args = new Args("help -format=" + HelpFormat.ANSI + " " + args.toString());
            }
        }
        try {
            out = Objects.toString(commandInterpreter.command(args), null);
        } catch (CommandThrowableException e) {
            throw e.getCause();
        }
    } catch (CommandSyntaxException e) {
        Ansi sb = Ansi.ansi();
        sb.fg(RED).a("Syntax error: " + e.getMessage() + "\n").reset();
        String help = e.getHelpText();
        if (help != null) {
            sb.a(help);
        }
        out = sb.toString();
    } catch (CommandExitException e) {
        throw e;
    } catch (CommandPanicException e) {
        Ansi sb = Ansi.ansi();
        sb.fg(RED).a("Bug detected! ").reset().a("Please email the following details to <support@dcache.org>:\n");
        Throwable t = e.getCause() == null ? e : e.getCause();
        StringWriter sw = new StringWriter();
        t.printStackTrace(new PrintWriter(sw));
        out = sb.a(sw.toString()).toString();
    } catch (Exception e) {
        out = Ansi.ansi().fg(RED).a(e.getMessage()).reset().toString();
    }
    if (!isNullOrEmpty(out)) {
        console.print(out);
        if (out.charAt(out.length() - 1) != '\n') {
            console.println();
        }
    }
    console.flush();
}

Example 2 with CommandExitException

use of dmg.util.CommandExitException in project dcache by dCache.

the class ShellApplication method console.

/**
 * Start an interactive session.  The user is supplied a prompt and their input is executed as a
 * command.  This repeats until they indicate that they wish to exit the session.
 */
public void console() throws Throwable {
    onInteractiveStart();
    try {
        while (true) {
            String prompt = Ansi.ansi().bold().a(getPrompt()).boldOff().toString();
            String str = console.readLine(prompt);
            if (str == null) {
                console.println();
                break;
            }
            execute(new Args(str));
        }
    } catch (CommandExitException ignored) {
    }
}

Example 3 with CommandExitException

use of dmg.util.CommandExitException in project dcache by dCache.

the class UniversalSpringCell method executeSetup.

private void executeSetup(CommandInterpreter interpreter, String source, byte[] data) throws CommandException {
    try {
        BufferedReader in = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(data), UTF_8));
        int lineCount = 1;
        for (String line = in.readLine(); line != null; line = in.readLine(), lineCount++) {
            line = line.trim();
            if (line.isEmpty() || line.charAt(0) == '#') {
                continue;
            }
            try {
                Serializable result = interpreter.command(new Args(line));
                if (result instanceof DelayedReply) {
                    ((DelayedReply) result).take();
                }
            } catch (InterruptedException e) {
                throw new CommandExitException("Error at " + source + ":" + lineCount + ": command interrupted");
            } catch (CommandPanicException e) {
                throw new CommandPanicException("Error at " + source + ":" + lineCount + ": " + e.getMessage(), e);
            } catch (CommandException e) {
                throw new CommandThrowableException("Error at " + source + ":" + lineCount + ": " + e.getMessage(), e);
            }
        }
    } catch (IOException e) {
        // Should not be possible
        throw new RuntimeException(e);
    }
}

Example 4 with CommandExitException

use of dmg.util.CommandExitException in project dcache by dCache.

the class DCapDoorInterpreterV3 method com_hello.

// ////////////////////////////////////////////////////////////////
// 
// the command functions  String com_<commandName>(int,int,Args)
// 
public String com_hello(int sessionId, int commandId, VspArgs args) throws CommandException {
    if (args.argc() < 2) {
        throw new CommandExitException("Command Syntax Exception", 2);
    }
    try {
        int major = Integer.parseInt(args.argv(2));
        int minor = Integer.parseInt(args.argv(3));
        Integer bugfix = args.argc() > 4 ? Integer.parseInt(args.argv(4)) : null;
        String patch = args.argv(5);
        _version = new Version(major, minor, bugfix, patch);
    } catch (NumberFormatException e) {
        _log.error("Syntax error in client version number {} : {}", args, e.toString());
        throw new CommandException("Invalid client version number", e);
    }
    /*
          replace current values if alternatives are provided
        */
    _pid = args.getOption("pid", _pid);
    _uid = args.getIntOption("uid", _uid);
    _gid = args.getIntOption("gid", _gid);
    _log.debug("Client Version : {}", _version);
    if (_settings.getMinClientVersion().matches(_version) > 0 || _settings.getMaxClientVersion().matches(_version) < 0) {
        _log.error("Client {} (proc \"{}\" running with uid:{} gid:{}) rejected: bad client version: {}", InetAddresses.toAddrString(_clientAddress), _pid, _uid, _gid, _version);
        throw new CommandExitException("Client version rejected : " + _version, 1);
    }
    String yourName = args.getName();
    if (yourName.equals("server")) {
        _ourName = "client";
    }
    return "0 0 " + _ourName + " welcome " + _version.getMajor() + " " + _version.getMinor();
}

Example 5 with CommandExitException

use of dmg.util.CommandExitException in project dcache by dCache.

the class DcapLineBasedInterpreterAdapter method execute.

@Override
public void execute(String cmd) throws CommandExitException {
    LOGGER.info("Executing command: {}", cmd);
    commandCounter++;
    lastCommand = cmd;
    VspArgs args;
    try {
        args = new VspArgs(cmd);
    } catch (IllegalArgumentException e) {
        println("protocol violation: " + e.getMessage());
        LOGGER.debug("protocol violation [{}] from {}", e.getMessage(), clientAddress);
        throw new CommandExitException("Protocol violation");
    }
    try {
        String answer = execute(args);
        if (answer != null) {
            LOGGER.info("Our answer : {}", answer);
            println(answer);
        }
    } catch (CommandExitException e) {
        hasExited = true;
        LOGGER.info("ComThread : protocol ended");
        throw e;
    }
}