org.apache.bval.jsr303.util
Class TypeUtils

java.lang.Object
  org.apache.bval.jsr303.util.TypeUtils

public class TypeUtils
extends Object

Description: Helper methods to determine the type for a ConstraintValidator class. Alternative: could also do this by using

  <groupId>com.googlecode.jtype</groupId>
  <artifactId>jtype</artifactId>
  <version>0.1.1</version>
 

but tried to reduce dependencies, so here is some code, that handles java5 generic types to find suitable implementations for ConstraintValidators.

Constructor Summary

TypeUtils()

Method Summary

static <A extends Annotation> Map<Type,Class<? extends ConstraintValidator<A,?>>>	getValidatorsTypes(Class<? extends ConstraintValidator<A,?>>[] validators) Given a set of ConstraintValidator implementation classes, map those to their target types.
static boolean	isAssignable(Type supertype, Type type) Learn whether type is assignable to supertype.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TypeUtils

public TypeUtils()

Method Detail

getValidatorsTypes

public static <A extends Annotation> Map<Type,Class<? extends ConstraintValidator<A,?>>> getValidatorsTypes(Class<? extends ConstraintValidator<A,?>>[] validators)

Given a set of ConstraintValidator implementation classes, map those to their target types.

Parameters:

validators -

Returns:

Map of Type : ConstraintValidator subtype

isAssignable

public static boolean isAssignable(Type supertype,
                                   Type type)

Learn whether type is assignable to supertype.

Parameters:

supertype -

type -

Returns:

boolean