content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.activemq.artemis.cli.commands;
  
  import picocli.CommandLine;
  import picocli.CommandLine.Command;
  
  @Command(name = "help", description = "use 'help <command>' for more information")
  public class HelpAction implements Runnable {
  
     CommandLine commandLine;
  
     @CommandLine.Parameters
     String[] args;
  
     public static void help(CommandLine commandLine, String... args) {
        if (args != null) {
           CommandLine theLIn = commandLine;
           for (String i : args) {
              Object subCommand = theLIn.getSubcommands().get(i);
              if (subCommand == null) {
                 commandLine.usage(System.out);
              } else if (subCommand instanceof CommandLine subCommandLine) {
                 theLIn = subCommandLine;
              } else {
                 commandLine.usage(System.out);
              }
           }
           theLIn.usage(System.out);
        } else {
           commandLine.usage(System.out);
        }
     }
  
     public CommandLine getCommandLine() {
        return commandLine;
     }
  
     public HelpAction setCommandLine(CommandLine commandLine) {
        this.commandLine = commandLine;
        return this;
     }
  
     @Override
     public void run() {
        help(commandLine, args);
     }
  
  }
  