public abstract class ReflectionHelper extends Object
| Constructor and Description | 
|---|
| ReflectionHelper() | 
| Modifier and Type | Method and Description | 
|---|---|
| static boolean | convertAllArguments(TypeConverter converter,
                   Object[] arguments,
                   Method method)Convert a supplied set of arguments into the requested types. | 
| static int | getTypeDifferenceWeight(List<org.springframework.core.convert.TypeDescriptor> paramTypes,
                       List<org.springframework.core.convert.TypeDescriptor> argTypes)Based on  MethodInvoker.getTypeDifferenceWeight(Class[], Object[])but operates on TypeDescriptors. | 
| static Object[] | setupArgumentsForVarargsInvocation(Class<?>[] requiredParameterTypes,
                                  Object... args)Package up the arguments so that they correctly match what is expected in parameterTypes. | 
public static int getTypeDifferenceWeight(List<org.springframework.core.convert.TypeDescriptor> paramTypes, List<org.springframework.core.convert.TypeDescriptor> argTypes)
MethodInvoker.getTypeDifferenceWeight(Class[], Object[]) but operates on TypeDescriptors.public static boolean convertAllArguments(TypeConverter converter, Object[] arguments, Method method) throws SpelEvaluationException
converter - the converter to use for type conversionsarguments - the arguments to convert to the requested parameter typesmethod - the target MethodSpelEvaluationException - if there is a problem with conversionpublic static Object[] setupArgumentsForVarargsInvocation(Class<?>[] requiredParameterTypes, Object... args)
(int, String[]) because the second parameter
 was declared String..., then if arguments is [1,"a","b"] then it must be
 repackaged as [1,new String[]{"a","b"}] in order to match the expected types.requiredParameterTypes - the types of the parameters for the invocationargs - the arguments to be setup ready for the invocation