public interface TypeConverter
PropertyEditorRegistry interface.
Note: Since TypeConverter implementations are typically based on
PropertyEditors which aren't thread-safe,
TypeConverters themselves are not to be considered as thread-safe either.
SimpleTypeConverter,
BeanWrapperImpl| Modifier and Type | Method and Description |
|---|---|
<T> T |
convertIfNecessary(java.lang.Object value,
java.lang.Class<T> requiredType)
Convert the value to the required type (if necessary from a String).
|
<T> T |
convertIfNecessary(java.lang.Object value,
java.lang.Class<T> requiredType,
java.lang.reflect.Field field)
Convert the value to the required type (if necessary from a String).
|
<T> T |
convertIfNecessary(java.lang.Object value,
java.lang.Class<T> requiredType,
MethodParameter methodParam)
Convert the value to the required type (if necessary from a String).
|
@Nullable <T> T convertIfNecessary(@Nullable java.lang.Object value, @Nullable java.lang.Class<T> requiredType) throws TypeMismatchException
Conversions from String to any type will typically use the setAsText
method of the PropertyEditor class, or a Spring Converter in a ConversionService.
value - the value to convertrequiredType - the type we must convert to
(or null if not known, for example in case of a collection element)TypeMismatchException - if type conversion failedPropertyEditor.setAsText(String),
PropertyEditor.getValue(),
ConversionService,
Converter@Nullable <T> T convertIfNecessary(@Nullable java.lang.Object value, @Nullable java.lang.Class<T> requiredType, @Nullable MethodParameter methodParam) throws TypeMismatchException
Conversions from String to any type will typically use the setAsText
method of the PropertyEditor class, or a Spring Converter in a ConversionService.
value - the value to convertrequiredType - the type we must convert to
(or null if not known, for example in case of a collection element)methodParam - the method parameter that is the target of the conversion
(for analysis of generic types; may be null)TypeMismatchException - if type conversion failedPropertyEditor.setAsText(String),
PropertyEditor.getValue(),
ConversionService,
Converter@Nullable <T> T convertIfNecessary(@Nullable java.lang.Object value, @Nullable java.lang.Class<T> requiredType, @Nullable java.lang.reflect.Field field) throws TypeMismatchException
Conversions from String to any type will typically use the setAsText
method of the PropertyEditor class, or a Spring Converter in a ConversionService.
value - the value to convertrequiredType - the type we must convert to
(or null if not known, for example in case of a collection element)field - the reflective field that is the target of the conversion
(for analysis of generic types; may be null)TypeMismatchException - if type conversion failedPropertyEditor.setAsText(String),
PropertyEditor.getValue(),
ConversionService,
Converter