Package cz.martlin.xspf.util

Interface XMLDocumentUtilityHelper.NullableTextToValueMapper<T>

Type Parameters:

T -

Enclosing class:

XMLDocumentUtilityHelper

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface XMLDocumentUtilityHelper.NullableTextToValueMapper<T>

An mapping of the text (or null) obtained from the XML file to some particular java type. To convert to string, you can use TEXT_TO_STRING mapping.

Author:

martin

Field Summary

Fields

Modifier and Type	Field	Description
static XMLDocumentUtilityHelper.NullableTextToValueMapper<String>	TEXT_TO_STRING	An identity (i.e. empty) mapping.

Method Summary

Modifier and Type	Method	Description
static <T> XMLDocumentUtilityHelper.NullableTextToValueMapper<T>	checked(XMLDocumentUtilityHelper.NonNullTextToValueMapper<T> nonNullMapper)	Encapsulates the given XMLDocumentUtilityHelper.NonNullTextToValueMapper to be XMLDocumentUtilityHelper.NullableTextToValueMapper.
T	textOrNullToValue(String text)	Converts the given (possibly null) text to the particular value.

Field Detail

TEXT_TO_STRING

static final XMLDocumentUtilityHelper.NullableTextToValueMapper<String> TEXT_TO_STRING

An identity (i.e. empty) mapping.

Method Detail

textOrNullToValue

T textOrNullToValue(String text)
             throws Exception

Converts the given (possibly null) text to the particular value.

Parameters:

text -

Returns:

Throws:

Exception

checked

static <T> XMLDocumentUtilityHelper.NullableTextToValueMapper<T> checked(XMLDocumentUtilityHelper.NonNullTextToValueMapper<T> nonNullMapper)

Encapsulates the given XMLDocumentUtilityHelper.NonNullTextToValueMapper to be XMLDocumentUtilityHelper.NullableTextToValueMapper.

Type Parameters:

T -

Parameters:

nonNullMapper -

Returns: