类的使用
org.springframework.core.convert.TypeDescriptor
使用TypeDescriptor的程序包 程序包 说明 org.springframework.beans This package contains interfaces and classes for manipulating Java beans.org.springframework.beans.factory.config SPI interfaces and configuration-related convenience classes for bean factories.org.springframework.core.convert Type conversion system API.org.springframework.core.convert.converter SPI to implement Converters for the type conversion system.org.springframework.core.convert.support Default implementation of the type conversion system.org.springframework.expression Core abstractions behind the Spring Expression Language.org.springframework.expression.common Common utility classes behind the Spring Expression Language.org.springframework.expression.spel SpEL's central implementation package.org.springframework.expression.spel.standard SpEL's standard parser implementation.org.springframework.expression.spel.support SpEL's default implementations for various core abstractions.org.springframework.validation Provides data binding and validation functionality, for usage in business and/or UI layers.org.springframework.web.method.annotation Support classes for annotation-based handler method processing.org.springframework.web.servlet.mvc.method.annotation MVC infrastructure for annotation-based handler method processing, building on theorg.springframework.web.method.annotationpackage.org.springframework.web.socket.adapter.standard Adapter classes for the standard Java WebSocket API.org.springframework.beans中TypeDescriptor的使用
返回TypeDescriptor的org.springframework.beans中的方法 修饰符和类型 方法 说明 TypeDescriptorAbstractNestablePropertyAccessor. getPropertyTypeDescriptor(String propertyName)TypeDescriptorPropertyAccessor. getPropertyTypeDescriptor(String propertyName)Return a type descriptor for the specified property: preferably from the read method, falling back to the write method.abstract TypeDescriptorAbstractNestablePropertyAccessor.PropertyHandler. nested(int level)abstract TypeDescriptorAbstractNestablePropertyAccessor.PropertyHandler. toTypeDescriptor()参数类型为TypeDescriptor的org.springframework.beans中的方法 修饰符和类型 方法 说明 protected ObjectAbstractNestablePropertyAccessor. convertForProperty(String propertyName, Object oldValue, Object newValue, TypeDescriptor td)default <T> TTypeConverter. convertIfNecessary(Object value, Class<T> requiredType, TypeDescriptor typeDescriptor)Convert the value to the required type (if necessary from a String).<T> TTypeConverterSupport. convertIfNecessary(Object value, Class<T> requiredType, TypeDescriptor typeDescriptor)org.springframework.beans.factory.config中TypeDescriptor的使用
返回TypeDescriptor的org.springframework.beans.factory.config中的方法 修饰符和类型 方法 说明 TypeDescriptorDependencyDescriptor. getTypeDescriptor()Build aTypeDescriptorobject for the wrapped parameter/field.org.springframework.core.convert中TypeDescriptor的使用
返回TypeDescriptor的org.springframework.core.convert中的方法 修饰符和类型 方法 说明 static TypeDescriptorTypeDescriptor. array(TypeDescriptor elementTypeDescriptor)Create a new type descriptor as an array of the specified type.static TypeDescriptorTypeDescriptor. collection(Class<?> collectionType, TypeDescriptor elementTypeDescriptor)Create a new type descriptor from aCollectiontype.TypeDescriptorTypeDescriptor. elementTypeDescriptor(Object element)If this type is aCollectionor an array, creates a element TypeDescriptor from the provided collection or array element.static TypeDescriptorTypeDescriptor. forObject(Object source)Create a new type descriptor for an object.TypeDescriptorTypeDescriptor. getElementTypeDescriptor()If this type is an array, returns the array's component type.TypeDescriptorTypeDescriptor. getMapKeyTypeDescriptor()If this type is aMapand its key type is parameterized, returns the map's key type.TypeDescriptorTypeDescriptor. getMapKeyTypeDescriptor(Object mapKey)If this type is aMap, creates a mapKeyTypeDescriptorfrom the provided map key.TypeDescriptorTypeDescriptor. getMapValueTypeDescriptor()If this type is aMapand its value type is parameterized, returns the map's value type.TypeDescriptorTypeDescriptor. getMapValueTypeDescriptor(Object mapValue)If this type is aMap, creates a mapValueTypeDescriptorfrom the provided map value.TypeDescriptorConversionFailedException. getSourceType()Return the source type we tried to convert the value from.TypeDescriptorConverterNotFoundException. getSourceType()Return the source type that was requested to convert from.TypeDescriptorConversionFailedException. getTargetType()Return the target type we tried to convert the value to.TypeDescriptorConverterNotFoundException. getTargetType()Return the target type that was requested to convert to.static TypeDescriptorTypeDescriptor. map(Class<?> mapType, TypeDescriptor keyTypeDescriptor, TypeDescriptor valueTypeDescriptor)Create a new type descriptor from aMaptype.TypeDescriptorTypeDescriptor. narrow(Object value)Narrows thisTypeDescriptorby setting its type to the class of the provided value.static TypeDescriptorTypeDescriptor. nested(Field field, int nestingLevel)Create a type descriptor for a nested type declared within the field.static TypeDescriptorTypeDescriptor. nested(Property property, int nestingLevel)Create a type descriptor for a nested type declared within the property.static TypeDescriptorTypeDescriptor. nested(MethodParameter methodParameter, int nestingLevel)Create a type descriptor for a nested type declared within the method parameter.TypeDescriptorTypeDescriptor. upcast(Class<?> superType)Cast thisTypeDescriptorto a superclass or implemented interface preserving annotations and nested type context.static TypeDescriptorTypeDescriptor. valueOf(Class<?> type)Create a new type descriptor from the given type.参数类型为TypeDescriptor的org.springframework.core.convert中的方法 修饰符和类型 方法 说明 static TypeDescriptorTypeDescriptor. array(TypeDescriptor elementTypeDescriptor)Create a new type descriptor as an array of the specified type.booleanConversionService. canConvert(TypeDescriptor sourceType, TypeDescriptor targetType)Returntrueif objects ofsourceTypecan be converted to thetargetType.static TypeDescriptorTypeDescriptor. collection(Class<?> collectionType, TypeDescriptor elementTypeDescriptor)Create a new type descriptor from aCollectiontype.ObjectConversionService. convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType)Convert the givensourceto the specifiedtargetType.booleanTypeDescriptor. isAssignableTo(TypeDescriptor typeDescriptor)Returns true if an object of this type descriptor can be assigned to the location described by the given type descriptor.static TypeDescriptorTypeDescriptor. map(Class<?> mapType, TypeDescriptor keyTypeDescriptor, TypeDescriptor valueTypeDescriptor)Create a new type descriptor from aMaptype.参数类型为TypeDescriptor的org.springframework.core.convert中的构造器 构造器 说明 ConversionFailedException(TypeDescriptor sourceType, TypeDescriptor targetType, Object value, Throwable cause)Create a new conversion exception.ConverterNotFoundException(TypeDescriptor sourceType, TypeDescriptor targetType)Create a new conversion executor not found exception.org.springframework.core.convert.converter中TypeDescriptor的使用
参数类型为TypeDescriptor的org.springframework.core.convert.converter中的方法 修饰符和类型 方法 说明 ObjectGenericConverter. convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType)Convert the source object to the targetType described by theTypeDescriptor.booleanConditionalConverter. matches(TypeDescriptor sourceType, TypeDescriptor targetType)Should the conversion fromsourceTypetotargetTypecurrently under consideration be selected?org.springframework.core.convert.support中TypeDescriptor的使用
参数类型为TypeDescriptor的org.springframework.core.convert.support中的方法 修饰符和类型 方法 说明 booleanGenericConversionService. canBypassConvert(TypeDescriptor sourceType, TypeDescriptor targetType)Return whether conversion between the source type and the target type can be bypassed.booleanGenericConversionService. canConvert(TypeDescriptor sourceType, TypeDescriptor targetType)ObjectGenericConversionService. convert(Object source, TypeDescriptor targetType)Convenience operation for converting a source object to the specified targetType, where the target type is a descriptor that provides additional conversion context.ObjectGenericConversionService. convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType)protected ObjectGenericConversionService. convertNullSource(TypeDescriptor sourceType, TypeDescriptor targetType)Template method to convert anullsource.protected GenericConverterGenericConversionService. getConverter(TypeDescriptor sourceType, TypeDescriptor targetType)Hook method to lookup the converter for a given sourceType/targetType pair.protected GenericConverterGenericConversionService. getDefaultConverter(TypeDescriptor sourceType, TypeDescriptor targetType)Return the default converter if no converter is found for the given sourceType/targetType pair.参数类型为TypeDescriptor的org.springframework.core.convert.support中的构造器 构造器 说明 ConvertingPropertyEditorAdapter(ConversionService conversionService, TypeDescriptor targetDescriptor)Create a new ConvertingPropertyEditorAdapter for a givenConversionServiceand the given target type.org.springframework.expression中TypeDescriptor的使用
返回TypeDescriptor的org.springframework.expression中的方法 修饰符和类型 方法 说明 TypeDescriptorTypedValue. getTypeDescriptor()TypeDescriptorExpression. getValueTypeDescriptor()Return the most general type that can be passed to aExpression.setValue(java.lang.Object, java.lang.Object)method using the default context.TypeDescriptorExpression. getValueTypeDescriptor(Object rootObject)Return the most general type that can be passed to theExpression.setValue(Object, Object)method using the default context.TypeDescriptorExpression. getValueTypeDescriptor(EvaluationContext context)Return the most general type that can be passed to theExpression.setValue(EvaluationContext, Object)method for the given context.TypeDescriptorExpression. getValueTypeDescriptor(EvaluationContext context, Object rootObject)Return the most general type that can be passed to theExpression.setValue(EvaluationContext, Object, Object)method for the given context.参数类型为TypeDescriptor的org.springframework.expression中的方法 修饰符和类型 方法 说明 booleanTypeConverter. canConvert(TypeDescriptor sourceType, TypeDescriptor targetType)Returntrueif the type converter can convert the specified type to the desired target type.ObjectTypeConverter. convertValue(Object value, TypeDescriptor sourceType, TypeDescriptor targetType)Convert (or coerce) a value from one type to another, for example from abooleanto aString.类型变量类型为TypeDescriptor的org.springframework.expression中的方法参数 修饰符和类型 方法 说明 ConstructorExecutorConstructorResolver. resolve(EvaluationContext context, String typeName, List<TypeDescriptor> argumentTypes)Within the supplied context determine a suitable constructor on the supplied type that can handle the specified arguments.MethodExecutorMethodResolver. resolve(EvaluationContext context, Object targetObject, String name, List<TypeDescriptor> argumentTypes)Within the supplied context determine a suitable method on the supplied object that can handle the specified arguments.参数类型为TypeDescriptor的org.springframework.expression中的构造器 构造器 说明 TypedValue(Object value, TypeDescriptor typeDescriptor)Create aTypedValuefor a particular value with a particularTypeDescriptorwhich may contain additional generic declarations.org.springframework.expression.common中TypeDescriptor的使用
返回TypeDescriptor的org.springframework.expression.common中的方法 修饰符和类型 方法 说明 TypeDescriptorCompositeStringExpression. getValueTypeDescriptor()TypeDescriptorCompositeStringExpression. getValueTypeDescriptor(Object rootObject)TypeDescriptorCompositeStringExpression. getValueTypeDescriptor(EvaluationContext context)TypeDescriptorCompositeStringExpression. getValueTypeDescriptor(EvaluationContext context, Object rootObject)TypeDescriptorLiteralExpression. getValueTypeDescriptor()TypeDescriptorLiteralExpression. getValueTypeDescriptor(Object rootObject)TypeDescriptorLiteralExpression. getValueTypeDescriptor(EvaluationContext context)TypeDescriptorLiteralExpression. getValueTypeDescriptor(EvaluationContext context, Object rootObject)org.springframework.expression.spel中TypeDescriptor的使用
参数类型为TypeDescriptor的org.springframework.expression.spel中的方法 修饰符和类型 方法 说明 ObjectExpressionState. convertValue(Object value, TypeDescriptor targetTypeDescriptor)ObjectExpressionState. convertValue(TypedValue value, TypeDescriptor targetTypeDescriptor)org.springframework.expression.spel.standard中TypeDescriptor的使用
返回TypeDescriptor的org.springframework.expression.spel.standard中的方法 修饰符和类型 方法 说明 TypeDescriptorSpelExpression. getValueTypeDescriptor()TypeDescriptorSpelExpression. getValueTypeDescriptor(Object rootObject)TypeDescriptorSpelExpression. getValueTypeDescriptor(EvaluationContext context)TypeDescriptorSpelExpression. getValueTypeDescriptor(EvaluationContext context, Object rootObject)org.springframework.expression.spel.support中TypeDescriptor的使用
参数类型为TypeDescriptor的org.springframework.expression.spel.support中的方法 修饰符和类型 方法 说明 booleanStandardTypeConverter. canConvert(TypeDescriptor sourceType, TypeDescriptor targetType)ObjectStandardTypeConverter. convertValue(Object value, TypeDescriptor sourceType, TypeDescriptor targetType)voidStandardEvaluationContext. setRootObject(Object rootObject, TypeDescriptor typeDescriptor)SimpleEvaluationContext.BuilderSimpleEvaluationContext.Builder. withTypedRootObject(Object rootObject, TypeDescriptor typeDescriptor)Specify a typed root object to resolve against.类型变量类型为TypeDescriptor的org.springframework.expression.spel.support中的方法参数 修饰符和类型 方法 说明 static intReflectionHelper. getTypeDifferenceWeight(List<TypeDescriptor> paramTypes, List<TypeDescriptor> argTypes)Based onMethodInvoker.getTypeDifferenceWeight(Class[], Object[])but operates on TypeDescriptors.MethodExecutorDataBindingMethodResolver. resolve(EvaluationContext context, Object targetObject, String name, List<TypeDescriptor> argumentTypes)ConstructorExecutorReflectiveConstructorResolver. resolve(EvaluationContext context, String typeName, List<TypeDescriptor> argumentTypes)Locate a constructor on the type.MethodExecutorReflectiveMethodResolver. resolve(EvaluationContext context, Object targetObject, String name, List<TypeDescriptor> argumentTypes)Locate a method on a type.org.springframework.validation中TypeDescriptor的使用
参数类型为TypeDescriptor的org.springframework.validation中的方法 修饰符和类型 方法 说明 <T> TDataBinder. convertIfNecessary(Object value, Class<T> requiredType, TypeDescriptor typeDescriptor)org.springframework.web.method.annotation中TypeDescriptor的使用
参数类型为TypeDescriptor的org.springframework.web.method.annotation中的方法 修饰符和类型 方法 说明 protected StringRequestParamMethodArgumentResolver. formatUriValue(ConversionService cs, TypeDescriptor sourceType, Object value)org.springframework.web.servlet.mvc.method.annotation中TypeDescriptor的使用
参数类型为TypeDescriptor的org.springframework.web.servlet.mvc.method.annotation中的方法 修饰符和类型 方法 说明 protected StringPathVariableMethodArgumentResolver. formatUriValue(ConversionService cs, TypeDescriptor sourceType, Object value)org.springframework.web.socket.adapter.standard中TypeDescriptor的使用
返回TypeDescriptor的org.springframework.web.socket.adapter.standard中的方法 修饰符和类型 方法 说明 protected TypeDescriptorConvertingEncoderDecoderSupport. getMessageType()Returns the websocket message type.protected TypeDescriptorConvertingEncoderDecoderSupport. getType()Returns the type being converted.