cn.hutool.core.convert

Interface Converter<T>

Type Parameters:

T - 转换到的目标类型

All Known Implementing Classes:

AbstractConverter, ArrayConverter, AtomicBooleanConverter, AtomicIntegerArrayConverter, AtomicLongArrayConverter, AtomicReferenceConverter, BeanConverter, BooleanConverter, CalendarConverter, CastConverter, CharacterConverter, CharsetConverter, ClassConverter, CollectionConverter, CurrencyConverter, DateConverter, DurationConverter, EntryConverter, EnumConverter, JSONConverter, LocaleConverter, MapConverter, NumberConverter, OptConverter, OptionalConverter, PairConverter, PathConverter, PeriodConverter, PrimitiveConverter, ReferenceConverter, StackTraceElementConverter, StringConverter, TemporalAccessorConverter, TimeZoneConverter, URIConverter, URLConverter, UUIDConverter

public interface Converter<T>

转换器接口，实现类型转换

Author:

Looly

Method Summary

Modifier and Type	Method and Description
T	convert(Object value, T defaultValue) 转换为指定类型 如果类型无法确定，将读取默认值的类型做为目标类型
default T	convertWithCheck(Object value, T defaultValue, boolean quietly) 转换值为指定类型，可选是否不抛异常转换 当转换失败时返回默认值

Method Detail

convert

T convert(Object value,
          T defaultValue)
   throws IllegalArgumentException

转换为指定类型
如果类型无法确定，将读取默认值的类型做为目标类型

Parameters:

value - 原始值

defaultValue - 默认值

Returns:

转换后的值

Throws:

IllegalArgumentException - 无法确定目标类型，且默认值为null，无法确定类型

convertWithCheck

default T convertWithCheck(Object value,
                           T defaultValue,
                           boolean quietly)

转换值为指定类型，可选是否不抛异常转换
当转换失败时返回默认值

Parameters:

value - 值

defaultValue - 默认值

quietly - 是否静默转换，true不抛异常

Returns:

转换后的值

Since:

5.8.0

See Also:

convert(Object, Object)