程序包 cn.taketoday.core.conversion

接口 Converter<S,T>

类型参数:

S - the source type

T - the target type

所有已知实现类:

DeserializingConverter, SerializingConverter

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface Converter<S,T>

A converter converts a source object of type S to a target of type T.

Implementations of this interface are thread-safe and can be shared.

作者:

TODAY 2018-07-07 21:33:52

方法概要

修饰符和类型	方法	说明
default <U> Converter<S,U>	andThen(Converter<? super T,? extends U> after)	Construct a composed Converter that first applies this Converter to its input, and then applies the after Converter to the result.
T	convert(S source)	Convert the source object of type S to target type T.

方法详细资料

convert

@Nullable
T convert(S source)

Convert the source object of type S to target type T.

参数:

source - the source object to convert, which must be an instance of S (never null)

返回:

the converted object, which must be an instance of T (potentially null)

抛出:

IllegalArgumentException - if the source cannot be converted to the desired target type

andThen

default <U> Converter<S,U> andThen(Converter<? super T,? extends U> after)

Construct a composed Converter that first applies this Converter to its input, and then applies the after Converter to the result.

类型参数:

U - the type of output of both the after Converter and the composed Converter

参数:

after - the Converter to apply after this Converter is applied

返回:

a composed Converter that first applies this Converter and then applies the after Converter

从以下版本开始:

4.0