Examples of jline.Terminal

jline.Terminal
Representation of the input terminal for a platform. Handles any initialization that the platform may need to perform in order to allow the {@link ConsoleReader} to correctly handleinput. @author Marc Prud'hommeaux

      try
      {
         final OutputStream ansiOut = AnsiConsole.wrapOutputStream(outputStream);


         TerminalFactory.configure(Type.WINDOWS);
         Terminal terminal = TerminalFactory.get();
         ConsoleReader consoleReader = new ConsoleReader(inputStream, new PrintWriter(
                  new OutputStreamWriter(ansiOut, System.getProperty(
                           "jline.WindowsTerminal.output.encoding", System.getProperty("file.encoding")))),
                  null, terminal);
         return consoleReader;

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                sb.append((char) c);
            }
        }


        SshClient client = null;
        Terminal terminal = null;
        SshAgent agent = null;
        try {
            agent = startAgent(user);
            client = SshClient.setUpDefaultClient();
            client.setAgentFactory(new LocalAgentFactory(agent));
            client.getProperties().put(SshAgent.SSH_AUTHSOCKET_ENV_NAME, "local");
            client.start();
            int retries = 0;
            ClientSession session = null;
            do {
                ConnectFuture future = client.connect(host, port);
                future.await();
                try { 
                    session = future.getSession();
                } catch (RuntimeSshException ex) {
                    if (retries++ < retryAttempts) {
                        Thread.sleep(retryDelay * 1000);
                        System.out.println("retrying (attempt " + retries + ") ...");
                    } else {
                        throw ex;
                    }
                }
            } while (session == null);
            if (!session.authAgent(user).await().isSuccess()) {
                if (password == null) {
                    password = readLine("Password: ");
                }
                if (!session.authPassword(user, password).await().isSuccess()) {
                    throw new Exception("Authentication failure");
                }
            }
            ClientChannel channel;
      if (sb.length() > 0) {
                channel = session.createChannel("exec", sb.append("\n").toString());
                channel.setIn(new ByteArrayInputStream(new byte[0]));
      } else {
                terminal = new TerminalFactory().getTerminal();
         channel = session.createChannel("shell");
                ConsoleInputStream in = new ConsoleInputStream(terminal.wrapInIfNeeded(System.in));
                new Thread(in).start();
                channel.setIn(in);
                ((ChannelShell) channel).setupSensibleDefaultPty();
                ((ChannelShell) channel).setAgentForwarding(true);
                String ctype = System.getenv("LC_CTYPE");
                if (ctype == null) {
                    ctype = Locale.getDefault().toString() + "."
                                + System.getProperty("input.encoding", Charset.defaultCharset().name());
                }
                ((ChannelShell) channel).setEnv("LC_CTYPE", ctype);
            }
            channel.setOut(AnsiConsole.wrapOutputStream(System.out));
            channel.setErr(AnsiConsole.wrapOutputStream(System.err));
            channel.open();
            channel.waitFor(ClientChannel.CLOSED, 0);
        } catch (Throwable t) {
            if (level > 1) {
                t.printStackTrace();
            } else {
                System.err.println(t.getMessage());
            }
            System.exit(1);
        } finally {
            try {
                client.stop();
            } catch (Throwable t) { }
            try {
                if (terminal != null) {
                    terminal.restore();
                }
            } catch (Throwable t) { }
        }
        System.exit(0);
    }

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                sb.append((char) c);
            }
        }


        SshClient client = null;
        Terminal terminal = null;
        SshAgent agent = null;
        int exitStatus = 0;
        try {
            agent = startAgent(user, keyFile);
            client = SshClient.setUpDefaultClient();
            client.setAgentFactory(new LocalAgentFactory(agent));
            client.getProperties().put(SshAgent.SSH_AUTHSOCKET_ENV_NAME, "local");
            client.start();
            int retries = 0;
            ClientSession session = null;
            do {
                ConnectFuture future = client.connect(host, port);
                future.await();
                try { 
                    session = future.getSession();
                } catch (RuntimeSshException ex) {
                    if (retries++ < retryAttempts) {
                        Thread.sleep(retryDelay * 1000);
                        System.out.println("retrying (attempt " + retries + ") ...");
                    } else {
                        throw ex;
                    }
                }
            } while (session == null);
            if (!session.authAgent(user).await().isSuccess()) {
                if (password == null) {
                    Console console = System.console();
                    if (console != null) {
                        char[] readPassword = console.readPassword("Password: ");
                        if (readPassword != null) {
                            password = new String(readPassword);
                        }
                    } else {
                        throw new Exception("Unable to prompt password: could not get system console");
                    }
                }
                if (!session.authPassword(user, password).await().isSuccess()) {
                    throw new Exception("Authentication failure");
                }
            }
            ClientChannel channel;
      if (sb.length() > 0) {
                channel = session.createChannel("exec", sb.append("\n").toString());
                channel.setIn(new ByteArrayInputStream(new byte[0]));
      } else {
                terminal = new TerminalFactory().getTerminal();
         channel = session.createChannel("shell");
                ConsoleInputStream in = new ConsoleInputStream(terminal.wrapInIfNeeded(System.in));
                new Thread(in).start();
                channel.setIn(in);
                ((ChannelShell) channel).setPtyColumns(terminal != null ? terminal.getWidth() : 80);
                ((ChannelShell) channel).setupSensibleDefaultPty();
                ((ChannelShell) channel).setAgentForwarding(true);
                String ctype = System.getenv("LC_CTYPE");
                if (ctype == null) {
                    ctype = Locale.getDefault().toString() + "."
                                + System.getProperty("input.encoding", Charset.defaultCharset().name());
                }
                ((ChannelShell) channel).setEnv("LC_CTYPE", ctype);
            }
            channel.setOut(AnsiConsole.wrapOutputStream(System.out));
            channel.setErr(AnsiConsole.wrapOutputStream(System.err));
            channel.open();
            channel.waitFor(ClientChannel.CLOSED, 0);
            if (channel.getExitStatus() != null) {
                exitStatus = channel.getExitStatus();
            }
        } catch (Throwable t) {
            if (level > 1) {
                t.printStackTrace();
            } else {
                System.err.println(t.getMessage());
            }
            System.exit(1);
        } finally {
            try {
                client.stop();
            } catch (Throwable t) { }
            try {
                if (terminal != null) {
                    terminal.restore();
                }
            } catch (Throwable t) { }
        }
        System.exit(exitStatus);
    }

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        run(commandProcessor, args, in, out, err);
    }


    private void run(final CommandShellImpl commandProcessor, String[] args, final InputStream in, final PrintStream out, final PrintStream err) throws Exception {
        TerminalFactory terminalFactory = new TerminalFactory();
        Terminal terminal = terminalFactory.getTerminal();
        Console console = createConsole(commandProcessor, in, out, err, terminal);
        CommandSession session = console.getSession();
        session.put("USER", user);
        session.put("APPLICATION", application);
        session.put("LINES", Integer.toString(terminal.getTerminalHeight()));
        session.put("COLUMNS", Integer.toString(terminal.getTerminalWidth()));
        session.put(".jline.terminal", terminal);
        session.put(NameScoping.MULTI_SCOPE_MODE_KEY, Boolean.toString(isMultiScopeMode()));


        if (args.length > 0) {
            StringBuilder sb = new StringBuilder();

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            formatter.post(clause, builder);
        }
    }


    protected int getTermWidth() {
        Terminal term = (Terminal) session.get(".jline.terminal");
        return term != null ? term.getWidth() : 80;


    }

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            }
        }
        SimpleLogger.setLevel(level);


        SshClient client = null;
        Terminal terminal = null;
        try {
            client = SshClient.setUpDefaultClient();
            client.start();
            int retries = 0;
            ClientSession session = null;
            do {
                ConnectFuture future = client.connect(host, port);
                future.await();
                try { 
                    session = future.getSession();
                } catch (RuntimeSshException ex) {
                    if (retries++ < retryAttempts) {
                        Thread.sleep(retryDelay * 1000);
                        System.out.println("retrying (attempt " + retries + ") ...");
                    } else {
                        throw ex;
                    }
                }
            } while (session == null);
            if (!session.authPassword(user, password).await().isSuccess()) {
                throw new Exception("Authentication failure");
            }
            ClientChannel channel;
      if (sb.length() > 0) {
                channel = session.createChannel("exec", sb.append("\n").toString());
                channel.setIn(new ByteArrayInputStream(new byte[0]));
      } else {
                terminal = new TerminalFactory().getTerminal();
         channel = session.createChannel("shell");
                channel.setIn(new NoCloseInputStream(System.in));
                ((ChannelShell) channel).setupSensibleDefaultPty();
            }
            channel.setOut(AnsiConsole.wrapOutputStream(System.out));
            channel.setErr(AnsiConsole.wrapOutputStream(System.err));
            channel.open();
            channel.waitFor(ClientChannel.CLOSED, 0);
        } catch (Throwable t) {
            if (level > 1) {
                t.printStackTrace();
            } else {
                System.err.println(t.getMessage());
            }
            System.exit(1);
        } finally {
            try {
                client.stop();
            } catch (Throwable t) { }
            try {
                if (terminal != null) {
                    terminal.restoreTerminal();
                }
            } catch (Throwable t) { }
        }
        System.exit(0);
    }

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            }
        } else {


            // We are going into full blown interactive shell mode.
            TerminalFactory terminalFactory = new TerminalFactory();
            Terminal terminal = terminalFactory.getTerminal();
            Console console = createConsole(commandProcessor, in, out, err, terminal);
            CommandSession session = console.getSession();
            session.put("LINES", Integer.toString(terminal.getTerminalHeight()));
            session.put("COLUMNS", Integer.toString(terminal.getTerminalWidth()));
            session.put(".jline.terminal", terminal);
            session.put("USER", user);
            session.put("APPLICATION", application);
            session.put(NameScoping.MULTI_SCOPE_MODE_KEY, Boolean.toString(isMultiScopeMode()));

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    }


    protected void printUsage(CommandSession session, Action action, Map<Option,Field> optionsMap, Map<Argument,Field> argsMap, PrintStream out)
    {
        Command command = action.getClass().getAnnotation(Command.class);
        Terminal term = session != null ? (Terminal) session.get(".jline.terminal") : null;
        List<Argument> arguments = new ArrayList<Argument>(argsMap.keySet());
        Collections.sort(arguments, new Comparator<Argument>() {
            public int compare(Argument o1, Argument o2) {
                return Integer.valueOf(o1.index()).compareTo(Integer.valueOf(o2.index()));
            }
        });
        Set<Option> options = new HashSet<Option>(optionsMap.keySet());
        options.add(HELP);
        boolean globalScope = NameScoping.isGlobalScope(session, command.scope());
        if (command != null && (command.description() != null || command.name() != null))
        {
            out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("DESCRIPTION").a(Ansi.Attribute.RESET));
            out.print("        ");
            if (command.name() != null) {
                if (globalScope) {
                    out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a(command.name()).a(Ansi.Attribute.RESET));
                } else {
                    out.println(Ansi.ansi().a(command.scope()).a(":").a(Ansi.Attribute.INTENSITY_BOLD).a(command.name()).a(Ansi.Attribute.RESET));
                }
                out.println();
            }
            out.print("\t");
            out.println(command.description());
            out.println();
        }
        StringBuffer syntax = new StringBuffer();
        if (command != null)
        {
            if (globalScope) {
                syntax.append(command.name());
            } else {
                syntax.append(String.format("%s:%s", command.scope(), command.name()));
            }
        }
        if (options.size() > 0)
        {
            syntax.append(" [options]");
        }
        if (arguments.size() > 0)
        {
            syntax.append(' ');
            for (Argument argument : arguments)
            {
                if (!argument.required())
                {
                    syntax.append(String.format("[%s] ", argument.name()));
                }
                else
                {
                    syntax.append(String.format("%s ", argument.name()));
                }
            }
        }


        out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("SYNTAX").a(Ansi.Attribute.RESET));
        out.print("        ");
        out.println(syntax.toString());
        out.println();
        if (arguments.size() > 0)
        {
            out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("ARGUMENTS").a(Ansi.Attribute.RESET));
            for (Argument argument : arguments)
            {
                out.print("        ");
                out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a(argument.name()).a(Ansi.Attribute.RESET));
                printFormatted("                ", argument.description(), term != null ? term.getTerminalWidth() : 80, out);
                if (!argument.required()) {
                    try {
                        argsMap.get(argument).setAccessible(true);
                        Object o = argsMap.get(argument).get(action);
                        if (o != null
                                && (!(o instanceof Boolean) || ((Boolean) o))
                                && (!(o instanceof Number) || ((Number) o).doubleValue() != 0.0)) {
                            out.print("                    (defaults to ");
                            out.print(o.toString());
                            out.println(")");
                        }
                    } catch (Throwable t) {
                        // Ignore
                    }
                }
            }
            out.println();
        }
        if (options.size() > 0)
        {
            out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("OPTIONS").a(Ansi.Attribute.RESET));
            for (Option option : options)
            {
                String opt = option.name();
                for (String alias : option.aliases())
                {
                    opt += ", " + alias;
                }
                out.print("        ");
                out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a(opt).a(Ansi.Attribute.RESET));
                printFormatted("                ", option.description(), term != null ? term.getTerminalWidth() : 80, out);
                try {
                    optionsMap.get(option).setAccessible(true);
                    Object o = optionsMap.get(option).get(action);
                    if (o != null
                            && (!(o instanceof Boolean) || ((Boolean) o))
                            && (!(o instanceof Number) || ((Number) o).doubleValue() != 0.0)) {
                        out.print("                (defaults to ");
                        out.print(o.toString());
                        out.println(")");
                    }
                } catch (Throwable t) {
                    // Ignore
                }
            }
            out.println();
        }
        if (command.detailedDescription().length() > 0) {
            out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("DETAILS").a(Ansi.Attribute.RESET));
            String desc = loadDescription(action.getClass(), command.detailedDescription());
            printFormatted("        ", desc, term != null ? term.getTerminalWidth() : 80, out);
        }
    }

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    public Object doExecute() throws Exception {
        if (command == null) {
            Set<String> names = (Set<String>) session.get(".commands");
            if (!names.isEmpty()) {
                Terminal term = (Terminal) session.get(".jline.terminal");
                PrintStream out = System.out;
                SortedMap<String,String> commands = new TreeMap<String,String>();
                for (String name : names) {
                    String description = null;
                    Function function = (Function) session.get(name);
                    function = unProxy(function);
                    if (function instanceof AbstractCommand) {
                        try {
                            Method mth = AbstractCommand.class.getDeclaredMethod("createNewAction");
                            mth.setAccessible(true);
                            Action action = (Action) mth.invoke(function);
                            Class<? extends Action> clazz = action.getClass();
                            Command ann = clazz.getAnnotation(Command.class);
                            description = ann.description();
                        } catch (Throwable e) {
                        }
                        if (name.startsWith("*:")) {
                            name = name.substring(2);
                        }
                        commands.put(name, description);
                    }
                }
                // Post process the commands list


                out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("COMMANDS").a(Ansi.Attribute.RESET));
                for (Map.Entry<String,String> entry : commands.entrySet()) {
                    out.print("        ");
                    String key = NameScoping.getCommandNameWithoutGlobalPrefix(session, entry.getKey());
                    out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a(key).a(Ansi.Attribute.RESET));
                    if (entry.getValue() != null) {
                        DefaultActionPreparator.printFormatted("                ", entry.getValue(), term != null ? term.getTerminalWidth() : 80, out);
                    }
                }
                out.println();
            }
            return null;

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            this.callback = callback;
        }


        public void start(final Environment env) throws IOException {
            try {
                final Terminal terminal = new SshTerminal(env);
                Console console = new Console(commandProcessor,
                                              in,
                                              new PrintStream(new LfToCrLfFilterOutputStream(out), true),
                                              new PrintStream(new LfToCrLfFilterOutputStream(err), true),
                                              terminal,
                                              new Runnable() {
                                                  public void run() {
                                                      destroy();
                                                  }
                                              });
                final CommandSession session = console.getSession();
                session.put("APPLICATION", System.getProperty("karaf.name", "root"));
                for (Map.Entry<String,String> e : env.getEnv().entrySet()) {
                    session.put(e.getKey(), e.getValue());
                }
                session.put("LINES", Integer.toString(terminal.getTerminalHeight()));
                session.put("COLUMNS", Integer.toString(terminal.getTerminalWidth()));
                env.addSignalListener(new SignalListener() {
                    public void signal(Signal signal) {
                        session.put("LINES", Integer.toString(terminal.getTerminalHeight()));
                        session.put("COLUMNS", Integer.toString(terminal.getTerminalWidth()));
                    }
                }, Signal.WINCH);
                session.put(".jline.terminal", terminal);
                new Thread(console).start();
            } catch (Exception e) {

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