de.eleon.console.builder

Class AnswerOptional

java.lang.Object

de.eleon.console.builder.AnswerOptional

public class AnswerOptional
extends Object

Extend AskBuilder to answer with an Optional.

Method Summary

Modifier and Type	Method and Description
com.google.common.base.Optional<String>	answer() Return user input
<T extends Enum<T>> com.google.common.base.Optional<T>	answer(Class<T> enumClass) Return user input as Optional>.
<T extends Enum<T>> com.google.common.base.Optional<T>	answer(Class<T> enumClass, String validationErrorMessage) Return user input as Optional>.
<T> com.google.common.base.Optional<T>	answer(com.google.common.base.Function<String,T> function) Return user input as Optional
<T> com.google.common.base.Optional<T>	answer(com.google.common.base.Function<String,T> function, String validationErrorMessage) Return user input as Optional

Methods inherited from class java.lang.Object

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

Method Detail

answer

public com.google.common.base.Optional<String> answer()

Return user input

Returns:

user input as Optional

answer

public <T> com.google.common.base.Optional<T> answer(com.google.common.base.Function<String,T> function)

Return user input as Optional

Type Parameters:

T - the return type

Parameters:

function - Function or Transformer for value conversion

Returns:

user input as Optional

answer

public <T> com.google.common.base.Optional<T> answer(com.google.common.base.Function<String,T> function,
                                                     String validationErrorMessage)

Return user input as Optional

Type Parameters:

T - the return type

Parameters:

function - Function or Transformer for value conversion

validationErrorMessage - error message if function conversion fails

Returns:

user input as Optional

answer

public <T extends Enum<T>> com.google.common.base.Optional<T> answer(Class<T> enumClass)

Return user input as Optional>. Complete with enum values.

Type Parameters:

T - the return type

Parameters:

enumClass - Class of enum to return

Returns:

user input as enum value

answer

public <T extends Enum<T>> com.google.common.base.Optional<T> answer(Class<T> enumClass,
                                                                     String validationErrorMessage)

Return user input as Optional>. Complete with enum values.

Type Parameters:

T - the return type

Parameters:

enumClass - Class of enum to return

validationErrorMessage - error message if enum conversion fails

Returns:

user input as enum value