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(Object value,
                  Class<T> requiredType)Convert the value to the required type (if necessary from a String). | 
| <T> T | convertIfNecessary(Object value,
                  Class<T> requiredType,
                  Field field)Convert the value to the required type (if necessary from a String). | 
| <T> T | convertIfNecessary(Object value,
                  Class<T> requiredType,
                  org.springframework.core.MethodParameter methodParam)Convert the value to the required type (if necessary from a String). | 
| default <T> T | convertIfNecessary(Object value,
                  Class<T> requiredType,
                  org.springframework.core.convert.TypeDescriptor typeDescriptor)Convert the value to the required type (if necessary from a String). | 
@Nullable
<T> T convertIfNecessary(@Nullable
                                   Object value,
                                   @Nullable
                                   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, 
org.springframework.core.convert.converter.Converter@Nullable
<T> T convertIfNecessary(@Nullable
                                   Object value,
                                   @Nullable
                                   Class<T> requiredType,
                                   @Nullable
                                   org.springframework.core.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, 
org.springframework.core.convert.converter.Converter@Nullable
<T> T convertIfNecessary(@Nullable
                                   Object value,
                                   @Nullable
                                   Class<T> requiredType,
                                   @Nullable
                                   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, 
org.springframework.core.convert.converter.Converter@Nullable
default <T> T convertIfNecessary(@Nullable
                                           Object value,
                                           @Nullable
                                           Class<T> requiredType,
                                           @Nullable
                                           org.springframework.core.convert.TypeDescriptor typeDescriptor)
                                    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)typeDescriptor - the type descriptor to use (may be null))TypeMismatchException - if type conversion failedPropertyEditor.setAsText(String), 
PropertyEditor.getValue(), 
ConversionService, 
org.springframework.core.convert.converter.Converter