io.micronaut.core.beans

Interface BeanWrapper<T>

Type Parameters:

T - The bean type.

All Superinterfaces:

AnnotationMetadataProvider, AnnotationSource

public interface BeanWrapper<T>
extends AnnotationMetadataProvider

Wraps a bean allowing to read and write its properties via a underlying BeanIntrospection.

Since:

1.1

Author:

graemerocher

Field Summary

Fields inherited from interface io.micronaut.core.annotation.AnnotationSource

EMPTY

Method Summary

Modifier and Type	Method and Description
T	getBean()
default Collection<BeanProperty<T,Object>>	getBeanProperties() The properties.
BeanIntrospection<T>	getIntrospection()
default <P> Optional<P>	getProperty(String name, Argument<P> type) Get the property of the given name and type.
default <P> Optional<P>	getProperty(String name, ArgumentConversionContext<P> context) Get the property of the given name and type.
default <P> Optional<P>	getProperty(String name, Class<P> type) Get the property of the given name and type.
default String[]	getPropertyNames() The property names.
default <P> P	getRequiredProperty(String name, Argument<P> argument) Get the property value of the given type or throw an exception if it is unobtainable.
default <P> P	getRequiredProperty(String name, ArgumentConversionContext<P> context) Get the property value of the given type or throw an exception if it is unobtainable.
default <P> P	getRequiredProperty(String name, Class<P> type) Get the property value of the given type or throw an exception if it is unobtainable.
static <T2> BeanWrapper<T2>	getWrapper(T2 bean) Obtain a bean wrapper for the given bean.
default BeanWrapper<T>	setProperty(String name, Object value) Sets a property of the given name to the given value.

Methods inherited from interface io.micronaut.core.annotation.AnnotationMetadataProvider

findAnnotation, findAnnotation, findDeclaredAnnotation, findDeclaredAnnotation, getAnnotationMetadata, isAnnotationPresent, isDeclaredAnnotationPresent, synthesize, synthesizeAll, synthesizeAnnotationsByType, synthesizeDeclared, synthesizeDeclared, synthesizeDeclaredAnnotationsByType

Methods inherited from interface io.micronaut.core.annotation.AnnotationSource

getAnnotation, getAnnotation, getDeclaredAnnotation, getDeclaredAnnotation

Method Detail

getIntrospection

@Nonnull
BeanIntrospection<T> getIntrospection()

Returns:

The introspection.

getBean

@Nonnull
T getBean()

Returns:

The bean;

getPropertyNames

@Nonnull
default String[] getPropertyNames()

The property names.

Returns:

The property names

getBeanProperties

@Nonnull
default Collection<BeanProperty<T,Object>> getBeanProperties()

The properties.

Returns:

The properties

getRequiredProperty

@Nonnull
default <P> P getRequiredProperty(@Nonnull
                                           String name,
                                           @Nonnull
                                           Class<P> type)

Get the property value of the given type or throw an exception if it is unobtainable.

Type Parameters:

P - The property generic type

Parameters:

name - The name

type - The type

Returns:

The property value

Throws:

IntrospectionException - if no property exists

ConversionErrorException - if the property cannot be converted to the given type

getRequiredProperty

default <P> P getRequiredProperty(@Nonnull
                                  String name,
                                  @Nonnull
                                  Argument<P> argument)

Get the property value of the given type or throw an exception if it is unobtainable.

Type Parameters:

P - The property generic type

Parameters:

name - The name

argument - The argument type

Returns:

The property value

Throws:

IntrospectionException - if no property exists

ConversionErrorException - if the property cannot be converted to the given type

getRequiredProperty

@Nonnull
default <P> P getRequiredProperty(@Nonnull
                                           String name,
                                           @Nonnull
                                           ArgumentConversionContext<P> context)

Get the property value of the given type or throw an exception if it is unobtainable.

Type Parameters:

P - The property generic type

Parameters:

name - The name

context - The type

Returns:

The property value

Throws:

IntrospectionException - if no property exists

ConversionErrorException - if the property cannot be converted to the given type

getProperty

@Nonnull
default <P> Optional<P> getProperty(@Nonnull
                                             String name,
                                             @Nonnull
                                             Class<P> type)

Get the property of the given name and type.

Type Parameters:

P - The required generic type

Parameters:

name - The name

type - The required type

Returns:

The property if found and can be converted to the given type

getProperty

default <P> Optional<P> getProperty(@Nonnull
                                    String name,
                                    Argument<P> type)

Get the property of the given name and type.

Type Parameters:

P - The required generic type

Parameters:

name - The name

type - The required type

Returns:

The property if found and can be converted to the given type

getProperty

default <P> Optional<P> getProperty(@Nonnull
                                    String name,
                                    ArgumentConversionContext<P> context)

Get the property of the given name and type.

Type Parameters:

P - The required generic type

Parameters:

name - The name

context - The conversion context

Returns:

The property if found and can be converted to the given type

setProperty

default BeanWrapper<T> setProperty(@Nonnull
                                   String name,
                                   @Nullable
                                   Object value)

Sets a property of the given name to the given value.

Parameters:

name - The name

value - The value

Returns:

This wrapper

Throws:

ConversionErrorException - if the value cannot be converted to the underlying property type.

getWrapper

@Nonnull
static <T2> BeanWrapper<T2> getWrapper(@Nonnull
                                                T2 bean)

Obtain a bean wrapper for the given bean.

Type Parameters:

T2 - The bean type

Parameters:

bean - The bean

Returns:

The wrapper

Throws:

IntrospectionException - If the wrapper cannot be created