public SessionTerminal(CommandProcessor commandProcessor, ThreadIO threadIO)
throws IOException {
try {
this.terminal = new Terminal(TERM_WIDTH, TERM_HEIGHT);
terminal.write("\u001b\u005B20\u0068"); // set newline mode on
in = new PipedOutputStream();
out = new PipedInputStream();
PrintStream pipedOut = new PrintStream(new PipedOutputStream(out), true);
console =
new Console(
commandProcessor,
threadIO,
new PipedInputStream(in),
pipedOut,
pipedOut,
new WebTerminal(TERM_WIDTH, TERM_HEIGHT),
null,
null);
CommandSession session = console.getSession();
session.put("APPLICATION", System.getProperty("karaf.name", "root"));
session.put("USER", "karaf");
session.put("COLUMNS", Integer.toString(TERM_WIDTH));
session.put("LINES", Integer.toString(TERM_HEIGHT));
} catch (IOException e) {
LOG.info("Exception attaching to console", e);
throw e;
} catch (Exception e) {
LOG.info("Exception attaching to console", e);
throw (IOException) new IOException().initCause(e);
}
new Thread(console).start();
new Thread(this).start();
}
private void run(
final CommandProcessorImpl commandProcessor,
String[] args,
final InputStream in,
final PrintStream out,
final PrintStream err)
throws Exception {
if (args.length > 0) {
// Commands have the form: jclouds:category-action.
List<String> commands = Lists.newArrayList(commandProcessor.getCommands());
Collections.sort(commands);
if (!commands.contains(args[0])) {
final String INDENT = " ";
StringBuilder sb =
new StringBuilder("Usage: jclouds {category} {action} {options/arguments}");
// list commands
sb.append("\n\nValid commands:");
for (String command : commands) {
if (command.startsWith("jclouds:")) {
command = command.substring("jclouds:".length());
int index = command.indexOf('-');
String category = command.substring(0, index);
String action = command.substring(index + 1);
sb.append('\n').append(INDENT).append(category).append(' ').append(action);
// TODO: expose command descriptions
}
}
// list options
sb.append("\n\nOptions:")
.append('\n')
.append(INDENT)
.append("--properties: File containing properties")
.append('\n')
.append(INDENT)
.append("--provider: The id of the provider")
.append('\n')
.append(INDENT)
.append("--api: The id of the api")
.append('\n')
.append(INDENT)
.append("--endpoint: The endpoint")
.append('\n')
.append(INDENT)
.append("--identity: The identity")
.append('\n')
.append(INDENT)
.append("--credential: The credential");
throw new CommandNotFoundException(sb.toString());
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < args.length; i++) {
if (i > 0) {
sb.append(" ");
}
if (args[i].contains(" ")) {
// quote arguments with spaces
sb.append("\"").append(args[i]).append("\"");
} else {
sb.append(args[i]);
}
}
// Shell is directly executing a sub/command, we don't setup a terminal and console
// in this case, this avoids us reading from stdin un-necessarily.
CommandSession session = commandProcessor.createSession(in, out, err);
session.put("USER", user);
session.put("APPLICATION", application);
session.put(NameScoping.MULTI_SCOPE_MODE_KEY, Boolean.toString(isMultiScopeMode()));
session.execute(sb);
} else {
// We are going into full blown interactive shell mode.
final TerminalFactory terminalFactory = new TerminalFactory();
final 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(NameScoping.MULTI_SCOPE_MODE_KEY, Boolean.toString(isMultiScopeMode()));
session.put(
"#LINES",
new Function() {
public Object execute(CommandSession session, List<Object> arguments) throws Exception {
return Integer.toString(terminal.getHeight());
}
});
session.put(
"#COLUMNS",
new Function() {
public Object execute(CommandSession session, List<Object> arguments) throws Exception {
return Integer.toString(terminal.getWidth());
}
});
session.put(".jline.terminal", terminal);
console.run();
terminalFactory.destroy();
}
}