getPropertyTypeDescriptor bug fixes

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@3876 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.beans/src/main/java/org/springframework/beans/BeanWrapperImpl.java

@@ -364,8 +364,9 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
 
 	public TypeDescriptor getPropertyTypeDescriptor(String propertyName) throws BeansException {
 		try {
-			PropertyTokenHolder tokens = getPropertyNameTokens(propertyName);
-			PropertyDescriptor pd = getPropertyDescriptorInternal(tokens.actualName);
+			BeanWrapper nestedBw = getNestedBeanWrapper(propertyName);
+			PropertyTokenHolder tokens = getPropertyNameTokens(getFinalPath(nestedBw, propertyName));			
+			PropertyDescriptor pd = getPropertyDescriptorInternal(tokens.actualName);			
 			if (pd != null) {
 				if (tokens.keys != null) {
 					if (pd.getReadMethod() != null) {

org.springframework.core/src/test/java/org/springframework/core/convert/TypeDescriptorTests.java

@@ -102,8 +102,6 @@ public class TypeDescriptorTests {
 		assertTrue(typeDescriptor.isArray());
 		assertEquals(List.class,typeDescriptor.getElementType());
 		assertEquals(String.class, typeDescriptor.getElementTypeDescriptor().getElementType());
-		
-		// TODO asc notice that the type of the list elements is lost: typeDescriptor.getElementType() should return a TypeDescriptor
 		assertEquals("java.util.List[]",typeDescriptor.asString());
 	}