/**
* Reinvoke the createDescriptions of the sub-commanders as they will otherwise not have their
* descriptions taken from the bundle.
*
* @param jc
* @param bundle
*/
protected static void fixResourceBundleBug(final JCommander jc, final ResourceBundle bundle) {
for (final Entry<String, JCommander> entry : jc.getCommands().entrySet()) {
final JCommander subJc = entry.getValue();
subJc.setDescriptionsBundle(bundle);
subJc.setAcceptUnknownOptions(false);
subJc.setColumnSize(jc.getColumnSize());
try {
final Method method = subJc.getClass().getDeclaredMethod("createDescriptions");
method.setAccessible(true);
method.invoke(subJc);
} catch (final NoSuchMethodException e) {
} catch (final SecurityException e) {
} catch (final IllegalAccessException e) {
} catch (final IllegalArgumentException e) {
} catch (final InvocationTargetException e) {
}
}
}
public static void main(final String[] args) {
final ResourceBundle bundle = ResourceBundle.getBundle("help");
final JCommander commander = createCommander(bundle);
final HelpCommand help = addCommands(bundle, commander);
try {
commander.parse(args);
} catch (final ParameterException e) {
help.error(e);
}
if (commander.getParsedCommand() != null) {
final JCommander parsedCommander = commander.getCommands().get(commander.getParsedCommand());
final Runnable cmd = (Runnable) parsedCommander.getObjects().get(0);
cmd.run();
} else {
help.error("help.missingCommand");
}
}
@Override
public int run(String[] args) throws Exception {
if (getConf() != null) {
DefaultConfiguration.set(getConf());
}
try {
jc.parse(args);
} catch (MissingCommandException e) {
console.error(e.getMessage());
return 1;
} catch (ParameterException e) {
console.error(e.getMessage());
return 1;
}
// configure log4j
if (debug) {
org.apache.log4j.Logger console = org.apache.log4j.Logger.getLogger(Main.class);
console.setLevel(Level.DEBUG);
}
String parsed = jc.getParsedCommand();
if (parsed == null) {
console.error("Unable to parse command.");
return 1;
}
Command command = (Command) jc.getCommands().get(parsed).getObjects().get(0);
if (command == null) {
console.error("Unable to find command.");
return 1;
}
try {
if (command instanceof Configurable) {
((Configurable) command).setConf(getConf());
}
return command.run();
} catch (IllegalArgumentException e) {
if (debug) {
console.error("Argument error", e);
} else {
console.error("Argument error: {}", e.getMessage());
}
return 1;
} catch (IllegalStateException e) {
if (debug) {
console.error("State error", e);
} else {
console.error("State error: {}", e.getMessage());
}
return 1;
} catch (ValidationException e) {
if (debug) {
console.error("Validation error", e);
} else {
console.error("Validation error: {}", e.getMessage());
}
return 1;
} catch (DatasetNotFoundException e) {
if (debug) {
console.error("Cannot find dataset", e);
} else {
// the error message already contains "No such dataset: <name>"
console.error(e.getMessage());
}
return 1;
} catch (DatasetIOException e) {
if (debug) {
console.error("IO error", e);
} else {
console.error("IO error: {}", e.getMessage());
}
return 1;
} catch (Exception e) {
if (debug) {
console.error("Unknown error", e);
} else {
console.error("Unknown error: {}", e.getMessage());
}
return 1;
}
}