io.micronaut.core.convert

Class DefaultConversionService

java.lang.Object

io.micronaut.core.convert.DefaultConversionService

All Implemented Interfaces:

ConversionService<DefaultConversionService>

public class DefaultConversionService
extends java.lang.Object
implements ConversionService<DefaultConversionService>

The default conversion service. Handles basic type conversion operations.

Since:

1.0

Author:

Graeme Rocher

Field Summary

Fields inherited from interface io.micronaut.core.convert.ConversionService

SHARED

Constructor Summary

Constructors

Constructor and Description
DefaultConversionService() Constructor.

Method Summary

Modifier and Type	Method and Description
<S,T> DefaultConversionService	addConverter(java.lang.Class<S> sourceType, java.lang.Class<T> targetType, java.util.function.Function<S,T> function) Adds a type converter.
<S,T> DefaultConversionService	addConverter(java.lang.Class<S> sourceType, java.lang.Class<T> targetType, TypeConverter<S,T> typeConverter) Adds a type converter.
<S,T> boolean	canConvert(java.lang.Class<S> sourceType, java.lang.Class<T> targetType) Return whether the given source type is convertible to the given target type.
<T> java.util.Optional<T>	convert(java.lang.Object object, java.lang.Class<T> targetType, ConversionContext context) Attempts to convert the given object to the given target type.
protected <T> TypeConverter	findTypeConverter(java.lang.Class<?> sourceType, java.lang.Class<T> targetType, java.lang.String formattingAnnotation) Find the type converter.
protected void	registerDefaultConverters() Default Converters.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.core.convert.ConversionService

convert, convert, convert, convertRequired, convertRequired

Constructor Detail

DefaultConversionService

public DefaultConversionService()

Constructor.

Method Detail

convert

public <T> java.util.Optional<T> convert(java.lang.Object object,
                                         java.lang.Class<T> targetType,
                                         ConversionContext context)

Description copied from interface: ConversionService

Attempts to convert the given object to the given target type. If conversion fails or is not possible an empty Optional is returned.

Specified by:

convert in interface ConversionService<DefaultConversionService>

Type Parameters:

T - The generic type

Parameters:

object - The object to convert

targetType - The target type

context - The conversion context

Returns:

The optional

canConvert

public <S,T> boolean canConvert(java.lang.Class<S> sourceType,
                                java.lang.Class<T> targetType)

Description copied from interface: ConversionService

Return whether the given source type is convertible to the given target type.

Specified by:

canConvert in interface ConversionService<DefaultConversionService>

Type Parameters:

S - The generic source type

T - The target source type

Parameters:

sourceType - The source type

targetType - The target type

Returns:

True if it can be converted

addConverter

public <S,T> DefaultConversionService addConverter(java.lang.Class<S> sourceType,
                                                   java.lang.Class<T> targetType,
                                                   TypeConverter<S,T> typeConverter)

Description copied from interface: ConversionService

Adds a type converter.

Specified by:

addConverter in interface ConversionService<DefaultConversionService>

Type Parameters:

S - The source generic type

T - The target generic type

Parameters:

sourceType - The source type

targetType - The target type

typeConverter - The type converter

Returns:

This conversion service

addConverter

public <S,T> DefaultConversionService addConverter(java.lang.Class<S> sourceType,
                                                   java.lang.Class<T> targetType,
                                                   java.util.function.Function<S,T> function)

Description copied from interface: ConversionService

Adds a type converter.

Specified by:

addConverter in interface ConversionService<DefaultConversionService>

Type Parameters:

S - The source generic type

T - The target generic type

Parameters:

sourceType - The source type

targetType - The target type

function - The type converter

Returns:

This conversion service

registerDefaultConverters

protected void registerDefaultConverters()

Default Converters.

findTypeConverter

protected <T> TypeConverter findTypeConverter(java.lang.Class<?> sourceType,
                                              java.lang.Class<T> targetType,
                                              java.lang.String formattingAnnotation)

Find the type converter.

Type Parameters:

T - Generic type

Parameters:

sourceType - sourceType

targetType - targetType

formattingAnnotation - formattingAnnotation

Returns:

type converter