Method main

solr/core/src/java/org/apache/solr/cli/SolrCLI.java:60–118

Runs a tool.

(String[] args)

  private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());

  /** Runs a tool. */
  public static void main(String[] args) throws Exception {
    ToolRuntime runtime = new DefaultToolRuntime();

    final boolean hasNoCommand =
        args == null || args.length == 0 || args[0] == null || args[0].trim().isEmpty();
    final boolean isHelpCommand = !hasNoCommand && Arrays.asList("-h", "--help").contains(args[0]);

    if (hasNoCommand || isHelpCommand) {
      printHelp();
      runtime.exit(1);
    }

    if (Arrays.asList("-v", "--version").contains(args[0])) {
      // select the version tool to be run, printing the CLIENT version
      args = new String[] {"version"};
    }
    if (Arrays.asList("upconfig", "downconfig", "cp", "rm", "mv", "ls", "mkroot", "updateacls")
        .contains(args[0])) {
      // remap our arguments to invoke the zk short tool help
      args = new String[] {"zk-tool-help", "--print-zk-subcommand-usage", args[0]};
    }
    if (Objects.equals(args[0], "zk")) {
      if (args.length == 1) {
        // remap our arguments to invoke the ZK tool help.
        args = new String[] {"zk-tool-help", "--print-long-zk-usage"};
      } else if (args.length == 2) {
        if (Arrays.asList("-h", "--help").contains(args[1])) {
          // remap our arguments to invoke the ZK tool help.
          args = new String[] {"zk-tool-help", "--print-long-zk-usage"};
        } else {
          // remap our arguments to invoke the zk sub command with help
          String[] trimmedArgs = new String[args.length - 1];
          System.arraycopy(args, 1, trimmedArgs, 0, trimmedArgs.length);
          args = trimmedArgs;

          String[] remappedArgs = new String[args.length + 1];
          System.arraycopy(args, 0, remappedArgs, 0, args.length);
          remappedArgs[remappedArgs.length - 1] = "--help";
          args = remappedArgs;
        }
      } else {
        // chop the leading zk argument, so we invoke the correct zk sub tool
        String[] trimmedArgs = new String[args.length - 1];
        System.arraycopy(args, 1, trimmedArgs, 0, trimmedArgs.length);
        args = trimmedArgs;
      }
    }
    SSLConfigurationsFactory.current().init();

    Tool tool = null;
    try {
      tool = findTool(args, runtime);
    } catch (IllegalArgumentException iae) {
      CLIO.err(iae.getMessage());
      runtime.exit(1);
    }
    CommandLine cli = parseCmdLine(tool, args);