@SuppressWarnings("unchecked")
public static void main(String[] args) {
final Cli.CliBuilder<Runnable> builder = Cli.builder("druid");
builder
.withDescription("Druid command-line runner.")
.withDefaultCommand(Help.class)
.withCommands(Help.class, Version.class);
builder
.withGroup("server")
.withDescription("Run one of the Druid server types.")
.withDefaultCommand(Help.class)
.withCommands(
CliCoordinator.class,
CliHistorical.class,
CliBroker.class,
CliRealtime.class,
CliOverlord.class,
CliMiddleManager.class,
CliBridge.class,
CliRouter.class);
builder
.withGroup("example")
.withDescription("Run an example")
.withDefaultCommand(Help.class)
.withCommands(CliRealtimeExample.class);
builder
.withGroup("tools")
.withDescription("Various tools for working with Druid")
.withDefaultCommand(Help.class)
.withCommands(ConvertProperties.class, DruidJsonValidator.class, PullDependencies.class);
builder
.withGroup("index")
.withDescription("Run indexing for druid")
.withDefaultCommand(Help.class)
.withCommands(CliHadoopIndexer.class);
builder
.withGroup("internal")
.withDescription(
"Processes that Druid runs \"internally\", you should rarely use these directly")
.withDefaultCommand(Help.class)
.withCommands(CliPeon.class, CliInternalHadoopIndexer.class);
final Injector injector = GuiceInjectors.makeStartupInjector();
final ExtensionsConfig config = injector.getInstance(ExtensionsConfig.class);
final Collection<CliCommandCreator> extensionCommands =
Initialization.getFromExtensions(config, CliCommandCreator.class);
for (CliCommandCreator creator : extensionCommands) {
creator.addCommands(builder);
}
final Cli<Runnable> cli = builder.build();
try {
final Runnable command = cli.parse(args);
if (!(command instanceof Help)) { // Hack to work around Help not liking being injected
injector.injectMembers(command);
}
command.run();
} catch (ParseException e) {
System.out.println("ERROR!!!!");
System.out.println(e.getMessage());
System.out.println("===");
cli.parse(new String[] {"help"}).run();
}
}
static {
extensionsConfig = GuiceInjectors.makeStartupInjector().getInstance(ExtensionsConfig.class);
}