Examples of org.bladerunnerjs.plugin.CommandPlugin

org.bladerunnerjs.plugin.CommandPlugin
Command plug-ins allow new commands to be made available to users of BladeRunnerJS.
The main advantage to creating a command plug-in rather than providing an external command or script is that command plug-ins get access to the BladeRunnerJS model. Commands can be invoked by users using the 'brjs' command, or can be invoked programmatically using the {@link org.bladerunnerjs.model.BRJS#runCommand} method. An {@link ArgsParsingCommandPlugin} class is available for developers that would like helpparsing the command parameters for their command.

The following methods are identifier-methods, and may be invoked before {@link Plugin#setBRJS Plugin.setBRJS()}has been invoked:
- {@link #getCommandName}

{
  public static int run(CommandList commandList, String args[]) throws NoSuchCommandException, CommandArgumentsException, CommandOperationException
  {
    String commandName = extractCommandFromArgs(args);
    String[] commandArgs = extractCommandArgsFromArgs(args);
    CommandPlugin commandPlugin = commandList.lookupCommand(commandName);
    
    if(commandPlugin == null) throw new NoSuchCommandException(commandName);
    
    return commandPlugin.doCommand(commandArgs);
  }

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    logger.println("  --show-pkg (show which class each log line comes from)");
  }


  private void getHelpForSpecificCommand(String commandName) throws CommandArgumentsException
  {
    CommandPlugin command = brjs.plugins().commandPlugin(commandName);
    
    if(command == null) throw new CommandArgumentsException("Cannot show help, unknown command '" + commandName + "'", this);
    
    logger.println("Description:");
    logger.println("  " + command.getCommandDescription());
    logger.println("");
    
    logger.println("Usage:");
    logger.println("  brjs " + command.getCommandName() + " " + command.getCommandUsage());
    logger.println("");
    
    logger.println("Help:");
    logger.println("  " + command.getCommandHelp());
  }

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  public CommandList(BRJS brjs, List<CommandPlugin> pluginCommands)
  {
    this.pluginCommands = pluginCommands;
    
    CommandPlugin helpCommand = new HelpCommand();
    CommandPlugin versionCommand = new VersionCommand();
    
    helpCommand.setBRJS(brjs);
    versionCommand.setBRJS(brjs);
    
    coreCommands.add(helpCommand);
    coreCommands.add(versionCommand);
  }

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Related Classes of org.bladerunnerjs.plugin.CommandPlugin

org.bladerunnerjs.plugin.plugins.commands.core.HelpCommand

org.bladerunnerjs.plugin.utility.command.CommandList

org.bladerunnerjs.utility.CommandRunner

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