Author: hardy.ferentschik Date: 2009-06-09 10:26:06 -0400 (Tue, 09 Jun 2009) New Revision: 16722 Modified: validator/trunk/hibernate-validator/src/main/java/org/hibernate/validation/util/ReflectionHelper.java Log: Added a new helper method to determine the autoboxed type of a primitive type. Modified: validator/trunk/hibernate-validator/src/main/java/org/hibernate/validation/util/ReflectionHelper.java =================================================================== --- validator/trunk/hibernate-validator/src/main/java/org/hibernate/validation/util/ReflectionHelper.java 2009-06-09 14:19:42 UTC (rev 16721) +++ validator/trunk/hibernate-validator/src/main/java/org/hibernate/validation/util/ReflectionHelper.java 2009-06-09 14:26:06 UTC (rev 16722) @@ -435,6 +435,47 @@ } /** + * Returns the autoboxed type of a primitive type. + * + * @param primitiveType the primitive type + * @return the autoboxed type of a primitive type. + * @throws IllegalArgumentException in case the parameter {@code primitiveType} does not represent a primitive type. + */ + public static Class<?> boxedTyp(Type primitiveType) { + if ( !( primitiveType instanceof Class ) && !( ( Class ) primitiveType ).isPrimitive() ) { + throw new IllegalArgumentException( primitiveType.getClass() + "has to be a primitive type" ); + } + + if ( primitiveType == boolean.class ) { + return Boolean.class; + } + else if ( primitiveType == char.class ) { + return Character.class; + } + else if ( primitiveType == double.class ) { + return Double.class; + } + else if ( primitiveType == float.class ) { + return Float.class; + } + else if ( primitiveType == long.class ) { + return Long.class; + } + else if ( primitiveType == int.class ) { + return Integer.class; + } + else if ( primitiveType == short.class ) { + return Short.class; + } + else if ( primitiveType == byte.class ) { + return Byte.class; + } + else { + throw new RuntimeException( "Unhandled primitive type." ); + } + } + + /** * Get all superclasses and interfaces recursively. * * @param clazz The class to start the search with.