org.springframework.cloud.dataflow.shell.command

Class ConsoleUserInput

java.lang.Object

org.springframework.cloud.dataflow.shell.command.ConsoleUserInput

All Implemented Interfaces:

UserInput

@Component
public class ConsoleUserInput
extends Object
implements UserInput

UserInput that uses Standard in and out.

Author:

Eric Bottard, Gary Russell, Chris Bono

Constructor Summary

Constructors

Constructor and Description
ConsoleUserInput()

Method Summary

Modifier and Type	Method and Description
String	prompt(String prompt, String defaultValue, boolean echo) Display a prompt text to the user and expect them to enter a free-form value.
String	promptWithOptions(String prompt, String defaultValue, String... options) Loops until one of the options is provided.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConsoleUserInput

public ConsoleUserInput()

Method Detail

promptWithOptions

public String promptWithOptions(String prompt,
                                String defaultValue,
                                String... options)

Loops until one of the options is provided. Pressing return is equivalent to returning defaultValue.

Specified by:

promptWithOptions in interface UserInput

Parameters:

prompt - the a message to prompt the user with

defaultValue - the default value to be returned if the user simply presses Enter

options - valid input option set

Returns:

the prompt text to display to the user

prompt

public String prompt(String prompt,
                     String defaultValue,
                     boolean echo)

Description copied from interface: UserInput

Display a prompt text to the user and expect them to enter a free-form value. Optionally, the input is echoed.

Specified by:

prompt in interface UserInput

Parameters:

prompt - the a message to prompt the user with

defaultValue - the default value to be returned if the user simply presses Enter

echo - echo the input to output (set to false for sensitive input, e.g. passwords)

Returns:

the prompt text to display to the user