private String convertCompletionBackIntoUserInputStyle(
    final String originalUserInput, final String completion) {
  if (FileUtils.denotesAbsolutePath(originalUserInput)) {
    // Input was originally as a fully-qualified path, so we just keep the
    // completion in that form
    return completion;
  }
  if (originalUserInput.startsWith(HOME_DIRECTORY_SYMBOL)) {
    // Input originally started with this symbol, so replace the user's home
    // directory with it again
    Assert.notNull(home,
        "Home directory could not be determined from system properties");
    return HOME_DIRECTORY_SYMBOL + completion.substring(home.length());
  }
  // The path was working directory specific, so strip the working directory
  // given the user never typed it
  return completion.substring(getWorkingDirectoryAsString().length());
}
 

/**
 * If the user input starts with a tilde character (~), replace the tilde
 * character with the user's home directory. If the user input does not start
 * with a tilde, simply return the original user input without any changes if
 * the input specifies an absolute path, or return an absolute path based on
 * the working directory if the input specifies a relative path.
 * 
 * @param userInput
 *          the user input, which may commence with a tilde (required)
 * @return a string that is guaranteed to no longer contain a tilde as the
 *         first character (never null)
 */
private String convertUserInputIntoAFullyQualifiedPath(final String userInput) {
  if (FileUtils.denotesAbsolutePath(userInput)) {
    // Input is already in a fully-qualified path form
    return userInput;
  }
  if (userInput.startsWith(HOME_DIRECTORY_SYMBOL)) {
    // Replace this symbol with the user's actual home directory
    Assert.notNull(home,
        "Home directory could not be determined from system properties");
    if (userInput.length() > 1) {
      return home + userInput.substring(1);
    }
  }
  // The path is working directory specific, so prepend the working directory
  String fullPath = getWorkingDirectoryAsString() + userInput;
  return fullPath;
}
 

private String convertCompletionBackIntoUserInputStyle(
    final String originalUserInput, final String completion) {
  if (FileUtils.denotesAbsolutePath(originalUserInput)) {
    // Input was originally as a fully-qualified path, so we just keep the
    // completion in that form
    return completion;
  }
  if (originalUserInput.startsWith(HOME_DIRECTORY_SYMBOL)) {
    // Input originally started with this symbol, so replace the user's home
    // directory with it again
    Assert.notNull(home,
        "Home directory could not be determined from system properties");
    return HOME_DIRECTORY_SYMBOL + completion.substring(home.length());
  }
  // The path was working directory specific, so strip the working directory
  // given the user never typed it
  return completion.substring(getWorkingDirectoryAsString().length());
}
 

/**
 * If the user input starts with a tilde character (~), replace the tilde
 * character with the user's home directory. If the user input does not start
 * with a tilde, simply return the original user input without any changes if
 * the input specifies an absolute path, or return an absolute path based on
 * the working directory if the input specifies a relative path.
 * 
 * @param userInput
 *          the user input, which may commence with a tilde (required)
 * @return a string that is guaranteed to no longer contain a tilde as the
 *         first character (never null)
 */
private String convertUserInputIntoAFullyQualifiedPath(final String userInput) {
  if (FileUtils.denotesAbsolutePath(userInput)) {
    // Input is already in a fully-qualified path form
    return userInput;
  }
  if (userInput.startsWith(HOME_DIRECTORY_SYMBOL)) {
    // Replace this symbol with the user's actual home directory
    Assert.notNull(home,
        "Home directory could not be determined from system properties");
    if (userInput.length() > 1) {
      return home + userInput.substring(1);
    }
  }
  // The path is working directory specific, so prepend the working directory
  String fullPath = getWorkingDirectoryAsString() + userInput;
  return fullPath;
}
 

@Override
public String getBanner() {

	StringBuilder builder = new StringBuilder();

	builder.append(FileUtils.readBanner(SpringDataReleaseCliBannerProvider.class, "banner.txt"));
	builder.append(getVersion()).append(IOUtils.LINE_SEPARATOR);
	builder.append(IOUtils.LINE_SEPARATOR);

	return builder.toString();
}
 

@Override
public String getBanner() {
    StringBuilder sb = new StringBuilder();
    sb.append(FileUtils.readBanner(Main.class, "/banner.txt"));
    sb.append(OsUtils.LINE_SEPARATOR);
    sb.append("Connection urls: " + OsUtils.LINE_SEPARATOR);
    sb.append("    - Kafka: " + kafkaBrokers);
    sb.append("    - Zookeeper: " + zkQuorum);
    sb.append(OsUtils.LINE_SEPARATOR);
    return sb.toString();
}
 

private ExitShellRequest doRun() {
    this.stopWatch.start();
    try {

        String[] commandsToExecuteAndThenQuit = this.commandLine.getShellCommandsToExecute();
        ExitShellRequest exitShellRequest;
        if (null != commandsToExecuteAndThenQuit) {

            boolean successful = false;
            exitShellRequest = ExitShellRequest.FATAL_EXIT;

            for (String cmd : commandsToExecuteAndThenQuit) {
                if (!(successful = this.lineShellComponent.executeCommand(cmd).isSuccess()))
                    break;
            }

            if (successful) {
                exitShellRequest = ExitShellRequest.NORMAL_EXIT;
            }
        }
        else if (this.applicationArguments.containsOption("help")) {
            System.out.println(FileUtils.readBanner(ShellCommandLineRunner.class, "/usage.txt"));
            exitShellRequest = ExitShellRequest.NORMAL_EXIT;
        } else {
            this.lineShellComponent.start();
            this.lineShellComponent.promptLoop();
            exitShellRequest = this.lineShellComponent.getExitShellRequest();
            if (exitShellRequest == null) {
                exitShellRequest = ExitShellRequest.NORMAL_EXIT;
            }
            this.lineShellComponent.waitForComplete();
        }

        if (this.lineShellComponent.isDevelopmentMode()) {
            System.out.println("Total execution time: " + this.stopWatch
                    .getLastTaskTimeMillis() + " ms");
        }

        return exitShellRequest;
    } catch (Exception ex) {
        throw new ShellException(ex.getMessage(), ex);
    } finally {
        HandlerUtils.flushAllHandlers(this.logger);
        this.stopWatch.stop();
    }
}
 

@Override
public String getBanner() {
	return FileUtils.readBanner(DataFlowBannerProvider.class, "/dataflow-banner.txt") +
			"\n" + getVersion() + "\n";
}
 

private ExitShellRequest doRun() {
	this.stopWatch.start();
	try {

		String[] commandsToExecuteAndThenQuit = this.commandLine.getShellCommandsToExecute();
		ExitShellRequest exitShellRequest;
		if (null != commandsToExecuteAndThenQuit) {

			boolean successful = false;
			exitShellRequest = ExitShellRequest.FATAL_EXIT;

			for (String cmd : commandsToExecuteAndThenQuit) {
				if (!(successful = this.lineShellComponent.executeCommand(cmd).isSuccess()))
					break;
			}

			if (successful) {
				exitShellRequest = ExitShellRequest.NORMAL_EXIT;
			}
		}
		else if (this.applicationArguments.containsOption("help")) {
			System.out.println(FileUtils.readBanner(ShellCommandLineRunner.class, "/usage.txt"));
			exitShellRequest = ExitShellRequest.NORMAL_EXIT;
		}
		else {
			this.lineShellComponent.start();
			this.lineShellComponent.promptLoop();
			exitShellRequest = this.lineShellComponent.getExitShellRequest();
			if (exitShellRequest == null) {
				exitShellRequest = ExitShellRequest.NORMAL_EXIT;
			}
			this.lineShellComponent.waitForComplete();
		}

		if (this.lineShellComponent.isDevelopmentMode()) {
			System.out.println("Total execution time: " + this.stopWatch.getLastTaskTimeMillis() + " ms");
		}

		return exitShellRequest;
	}
	catch (Exception ex) {
		throw new ShellException(ex.getMessage(), ex);
	}
	finally {
		HandlerUtils.flushAllHandlers(this.logger);
		this.stopWatch.stop();
	}
}
 

@Override
public String getBanner() {
	return FileUtils.readBanner(DataFlowBannerProvider.class, "/dataflow-banner.txt") + "\n" + getVersion() + "\n";
}
 

@Override
public String getBanner() {
  return FileUtils.readBanner(AmbariShell.class, "banner.txt");
}
 

/**
 * Prints an elephant to the console.
 *
 * @return elephant
 */
@CliCommand(value = "hello", help = "Prints a simple elephant to the console")
public String simple() {
  return FileUtils.readBanner(AmbariShell.class, "elephant.txt");
}