程序包 io.microsphere.convert

接口 Converter<S,T>

类型参数:

S - The source type

T - The target type

所有超级接口:

java.lang.Comparable<Prioritized>, Prioritized

所有已知子接口:

StringConverter<T>

所有已知实现类:

MapToPropertiesConverter, PropertiesToStringConverter, StringToBooleanConverter, StringToCharacterConverter, StringToCharArrayConverter, StringToClassConverter, StringToDoubleConverter, StringToDurationConverter, StringToFloatConverter, StringToInputStreamConverter, StringToIntegerConverter, StringToLongConverter, StringToOptionalConverter, StringToShortConverter, StringToStringConverter

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>
extends Prioritized

A class to convert the source-typed value to the target-typed value

从以下版本开始:

1.0.0

字段概要

从接口继承的字段 io.microsphere.lang.Prioritized

COMPARATOR, MAX_PRIORITY, MIN_PRIORITY, NORMAL_PRIORITY

方法概要

修饰符和类型	方法	说明
default boolean	accept(java.lang.Class<?> sourceType, java.lang.Class<?> targetType)	Accept the source type and target type or not
T	convert(S source)	Convert the source-typed value to the target-typed value
static <T> T	convertIfPossible(java.lang.Object source, java.lang.Class<T> targetType)	Convert the value of source to target-type value if possible
static <S,T> Converter<S,T>	getConverter(java.lang.Class<S> sourceType, java.lang.Class<T> targetType)	Get the Converter instance from ServiceLoader with the specified source and target type
default java.lang.Class<S>	getSourceType()	Get the source type
default java.lang.Class<T>	getTargetType()	Get the target type

从接口继承的方法 io.microsphere.lang.Prioritized

compareTo, getPriority

方法详细资料

accept

default boolean accept(java.lang.Class<?> sourceType,
                       java.lang.Class<?> targetType)

Accept the source type and target type or not

参数:

sourceType - the source type

targetType - the target type

返回:

if accepted, return true, or false

convert

T convert(S source)

Convert the source-typed value to the target-typed value

参数:

source - the source-typed value

返回:

the target-typed value

getSourceType

default java.lang.Class<S> getSourceType()

Get the source type

返回:

non-null

getTargetType

default java.lang.Class<T> getTargetType()

Get the target type

返回:

non-null

getConverter

static <S,T> Converter<S,T> getConverter(java.lang.Class<S> sourceType,
                                                     java.lang.Class<T> targetType)

Get the Converter instance from ServiceLoader with the specified source and target type

参数:

sourceType - the source type

targetType - the target type

返回:

convertIfPossible

static <T> T convertIfPossible(java.lang.Object source,
                               java.lang.Class<T> targetType)

Convert the value of source to target-type value if possible

类型参数:

T - the target type

参数:

source - the value of source

targetType - the target type

返回:

null if can't be converted