removed dependency on java.beans

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@4455 50f2f4bb-b051-0410-bef5-90022cba6387

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

@@ -43,6 +43,7 @@ import org.springframework.core.MethodParameter;
 import org.springframework.core.convert.ConversionException;
 import org.springframework.core.convert.ConverterNotFoundException;
 import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.core.convert.TypeDescriptor.Property;
 import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
@@ -369,11 +370,11 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
 			if (pd != null) {
 				if (tokens.keys != null) {
 					if (pd.getReadMethod() != null || pd.getWriteMethod() != null) {
-						return TypeDescriptor.nested(nestedBw.getWrappedClass(), pd, tokens.keys.length);
+						return TypeDescriptor.nested(property(pd), tokens.keys.length);
 					}
 				} else {
 					if (pd.getReadMethod() != null || pd.getWriteMethod() != null) {
-						return new TypeDescriptor(nestedBw.getWrappedClass(), pd);
+						return new TypeDescriptor(property(pd));
 					}
 				}
 			}
@@ -493,7 +494,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
 			throws TypeMismatchException {
 		GenericTypeAwarePropertyDescriptor gpd = (GenericTypeAwarePropertyDescriptor) pd;
 		Class<?> beanClass = gpd.getBeanClass();
-		return convertIfNecessary(propertyName, oldValue, newValue, pd.getPropertyType(), new TypeDescriptor(beanClass, pd));
+		return convertIfNecessary(propertyName, oldValue, newValue, pd.getPropertyType(), new TypeDescriptor(property(pd)));
 	}
 
 
@@ -948,7 +949,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
 					if (isExtractOldValueForEditor() && arrayIndex < Array.getLength(propValue)) {
 						oldValue = Array.get(propValue, arrayIndex);
 					}
-					Object convertedValue = convertIfNecessary(propertyName, oldValue, pv.getValue(), requiredType, TypeDescriptor.nested(getWrappedClass(), pd, tokens.keys.length));
+					Object convertedValue = convertIfNecessary(propertyName, oldValue, pv.getValue(), requiredType, TypeDescriptor.nested(property(pd), tokens.keys.length));
 					// TODO review this grow algorithm along side the null gap algorithm for setting lists below ... the two are inconsistent
 					propValue = growArrayIfNecessary(propValue, arrayIndex, actualName);
 					Array.set(propValue, arrayIndex, convertedValue);
@@ -968,7 +969,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
 				if (isExtractOldValueForEditor() && index < list.size()) {
 					oldValue = list.get(index);
 				}
-				Object convertedValue = convertIfNecessary(propertyName, oldValue, pv.getValue(), requiredType, TypeDescriptor.nested(getWrappedClass(), pd, tokens.keys.length));
+				Object convertedValue = convertIfNecessary(propertyName, oldValue, pv.getValue(), requiredType, TypeDescriptor.nested(property(pd), tokens.keys.length));
 				if (index < list.size()) {
 					list.set(index, convertedValue);
 				}
@@ -1005,7 +1006,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
 				// Pass full property name and old value in here, since we want full
 				// conversion ability for map values.
 				Object convertedMapValue = convertIfNecessary(
-						propertyName, oldValue, pv.getValue(), mapValueType, TypeDescriptor.nested(getWrappedClass(), pd, tokens.keys.length));
+						propertyName, oldValue, pv.getValue(), mapValueType, TypeDescriptor.nested(property(pd), tokens.keys.length));
 				map.put(convertedMapKey, convertedMapValue);
 			}
 			else {
@@ -1167,5 +1168,10 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
 
 		public String[] keys;
 	}
+	
+	private Property property(PropertyDescriptor pd) {
+		GenericTypeAwarePropertyDescriptor typeAware = (GenericTypeAwarePropertyDescriptor) pd;
+		return new Property(typeAware.getBeanClass(), typeAware.getReadMethod(), typeAware.getWriteMethod());
+	}
 
 }

org.springframework.core/src/main/java/org/springframework/core/convert/AbstractDescriptor.java

@@ -23,7 +23,7 @@ abstract class AbstractDescriptor {
 
 	private final Class<?> type;
 
-	public AbstractDescriptor(Class<?> type) {
+	protected AbstractDescriptor(Class<?> type) {
 		if (type == null) {
 			throw new IllegalArgumentException("type cannot be null");
 		}
@@ -93,15 +93,15 @@ abstract class AbstractDescriptor {
 	// internal helpers
 	
 	private boolean isCollection() {
-		return getType() != null && Collection.class.isAssignableFrom(getType());
+		return Collection.class.isAssignableFrom(getType());
 	}
 	
 	private boolean isArray() {
-		return getType() != null && getType().isArray();
+		return getType().isArray();
 	}
 	
 	private boolean isMap() {
-		return getType() != null && Map.class.isAssignableFrom(getType());
+		return Map.class.isAssignableFrom(getType());
 	}
 	
 }

org.springframework.core/src/main/java/org/springframework/core/convert/BeanPropertyDescriptor.java

@@ -15,35 +15,25 @@
  */
 package org.springframework.core.convert;
 
-import java.beans.PropertyDescriptor;
 import java.lang.annotation.Annotation;
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.util.LinkedHashMap;
-import java.util.Map;
 
 import org.springframework.core.GenericCollectionTypeResolver;
-import org.springframework.core.GenericTypeResolver;
 import org.springframework.core.MethodParameter;
-import org.springframework.util.ReflectionUtils;
-import org.springframework.util.StringUtils;
+import org.springframework.core.convert.TypeDescriptor.Property;
 
 class BeanPropertyDescriptor extends AbstractDescriptor {
 
-	private final Class<?> beanClass;
-	
-	private final PropertyDescriptor property;
+	private final Property property;
 
 	private final MethodParameter methodParameter;
 	
 	private final Annotation[] annotations;
 	
-	public BeanPropertyDescriptor(Class<?> beanClass, PropertyDescriptor property) {
-		super(property.getPropertyType());
-		this.beanClass = beanClass;
+	public BeanPropertyDescriptor(Property property) {
+		super(property.getType());
 		this.property = property;
-		this.methodParameter = resolveMethodParameter();
-		this.annotations = resolveAnnotations();
+		this.methodParameter = property.getMethodParameter();
+		this.annotations = property.getAnnotations();
 	}
 
 	@Override
@@ -71,79 +61,13 @@ class BeanPropertyDescriptor extends AbstractDescriptor {
 		MethodParameter methodParameter = new MethodParameter(this.methodParameter);
 		methodParameter.increaseNestingLevel();
 		methodParameter.setTypeIndexForCurrentLevel(typeIndex);			
-		return new BeanPropertyDescriptor(type, beanClass, property, methodParameter, annotations);
+		return new BeanPropertyDescriptor(type, property, methodParameter, annotations);
 	}
 	
 	// internal
 
-	private MethodParameter resolveMethodParameter() {
-		MethodParameter parameter = parameterForPropertyMethod();
-		// needed to resolve generic property types that parameterized by sub-classes e.g. T getFoo();
-		GenericTypeResolver.resolveParameterType(parameter, beanClass);
-		return parameter;
-	}
-	
-	private MethodParameter parameterForPropertyMethod() {
-		if (property.getReadMethod() != null) {
-			return new MethodParameter(property.getReadMethod(), -1);
-		} else if (property.getWriteMethod() != null) {
-			return new MethodParameter(property.getWriteMethod(), 0);
-		} else {
-			throw new IllegalArgumentException("Property is neither readable or writeable");
-		}
-	}
-	
-	private Annotation[] resolveAnnotations() {
-		Map<Class<?>, Annotation> annMap = new LinkedHashMap<Class<?>, Annotation>();
-		Method readMethod = this.property.getReadMethod();
-		if (readMethod != null) {
-			for (Annotation ann : readMethod.getAnnotations()) {
-				annMap.put(ann.annotationType(), ann);
-			}
-		}
-		Method writeMethod = this.property.getWriteMethod();
-		if (writeMethod != null) {
-			for (Annotation ann : writeMethod.getAnnotations()) {
-				annMap.put(ann.annotationType(), ann);
-			}
-		}			
-		Field field = getField();
-		if (field != null) {
-			for (Annotation ann : field.getAnnotations()) {
-				annMap.put(ann.annotationType(), ann);
-			}
-		}
-		return annMap.values().toArray(new Annotation[annMap.size()]);			
-	}
-	
-	private Field getField() {
-		String name = this.property.getName();
-		if (!StringUtils.hasLength(name)) {
-			return null;
-		}
-		Class<?> declaringClass = declaringClass();
-		Field field = ReflectionUtils.findField(declaringClass, name);
-		if (field == null) {
-			// Same lenient fallback checking as in CachedIntrospectionResults...
-			field = ReflectionUtils.findField(declaringClass, name.substring(0, 1).toLowerCase() + name.substring(1));
-			if (field == null) {
-				field = ReflectionUtils.findField(declaringClass, name.substring(0, 1).toUpperCase() + name.substring(1));
-			}
-		}
-		return field;
-	}
-	
-	private Class<?> declaringClass() {
-		if (this.property.getReadMethod() != null) {
-			return this.property.getReadMethod().getDeclaringClass();
-		} else {
-			return this.property.getWriteMethod().getDeclaringClass();
-		}
-	}
-	
-	private BeanPropertyDescriptor(Class<?> type, Class<?> beanClass, java.beans.PropertyDescriptor propertyDescriptor, MethodParameter methodParameter, Annotation[] annotations) {
+	private BeanPropertyDescriptor(Class<?> type, Property propertyDescriptor, MethodParameter methodParameter, Annotation[] annotations) {
 		super(type);
-		this.beanClass = beanClass;
 		this.property = propertyDescriptor;
 		this.methodParameter = methodParameter;
 		this.annotations = annotations;

org.springframework.core/src/main/java/org/springframework/core/convert/TypeDescriptor.java

@@ -13,19 +13,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.springframework.core.convert;
 
-import java.beans.PropertyDescriptor;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 
+import org.springframework.core.GenericTypeResolver;
 import org.springframework.core.MethodParameter;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.ObjectUtils;
+import org.springframework.util.ReflectionUtils;
+import org.springframework.util.StringUtils;
 
 /**
  * Context about a type to convert from or to.
@@ -91,11 +94,10 @@ public class TypeDescriptor {
 	/**
 	 * Create a new type descriptor for a bean property.
 	 * Use this constructor when a target conversion point is a property on a Java class.
-	 * @param beanClass the class that declares the property
-	 * @param property the property descriptor
+	 * @param property the property
 	 */
-	public TypeDescriptor(Class<?> beanClass, PropertyDescriptor property) {
-		this(new BeanPropertyDescriptor(beanClass, property));
+	public TypeDescriptor(Property property) {
+		this(new BeanPropertyDescriptor(property));
 	}
 
 	/**
@@ -140,7 +142,7 @@ public class TypeDescriptor {
 		}
 		return new TypeDescriptor(mapType, keyType, valueType);
 	}
-	
+
 	/**
 	 * Creates a type descriptor for a nested type declared within the method parameter.
 	 * For example, if the methodParameter is a List&lt;String&gt; and the nestingLevel is 1, the nested type descriptor will be String.class.
@@ -182,8 +184,8 @@ public class TypeDescriptor {
 	 * @return the nested type descriptor
 	 * @throws IllegalArgumentException if the property is not of a collection, array, or map type.
 	 */
-	public static TypeDescriptor nested(Class<?> beanClass, PropertyDescriptor property, int nestingLevel) {
-		return nested(new BeanPropertyDescriptor(beanClass, property), nestingLevel);
+	public static TypeDescriptor nested(Property property, int nestingLevel) {
+		return nested(new BeanPropertyDescriptor(property), nestingLevel);
 	}
 
 	/**
@@ -196,7 +198,7 @@ public class TypeDescriptor {
 	public static TypeDescriptor forObject(Object source) {
 		return source != null ? valueOf(source.getClass()) : null;
 	}
-	
+
 	/**
 	 * Determine the declared (non-generic) type of the wrapped parameter/field.
 	 * @return the declared type, or <code>null</code> if this is {@link TypeDescriptor#NULL}
@@ -230,7 +232,7 @@ public class TypeDescriptor {
 		}
 		return new TypeDescriptor(value.getClass(), elementType, mapKeyType, mapValueType, annotations);
 	}
-	
+
 	/**
 	 * Returns the name of this type: the fully qualified class name.
 	 */
@@ -288,7 +290,7 @@ public class TypeDescriptor {
 	}
 
 	// indexable type descriptor operations
-	
+
 	/**
 	 * Is this type a {@link Collection} type?
 	 */
@@ -336,7 +338,7 @@ public class TypeDescriptor {
 	}
 
 	// map type descriptor operations
-	
+
 	/**
 	 * Is this type a {@link Map} type?
 	 */
@@ -406,7 +408,7 @@ public class TypeDescriptor {
 	}
 
 	// extending Object
-	
+
 	public boolean equals(Object obj) {
 		if (this == obj) {
 			return true;
@@ -415,17 +417,17 @@ public class TypeDescriptor {
 			return false;
 		}
 		TypeDescriptor other = (TypeDescriptor) obj;
-		boolean annotatedTypeEquals = ObjectUtils.nullSafeEquals(getType(), other.getType()) && ObjectUtils.nullSafeEquals(getAnnotations(), other.getAnnotations());
+		boolean annotatedTypeEquals = ObjectUtils.nullSafeEquals(getType(), other.getType())
+				&& ObjectUtils.nullSafeEquals(getAnnotations(), other.getAnnotations());
 		if (!annotatedTypeEquals) {
 			return false;
 		}
 		if (isCollection() || isArray()) {
 			return ObjectUtils.nullSafeEquals(getElementType(), other.getElementType());
-		}
-		else if (isMap()) {
-			return ObjectUtils.nullSafeEquals(getMapKeyType(), other.getMapKeyType()) && ObjectUtils.nullSafeEquals(getMapValueType(), other.getMapValueType());
-		}
-		else {
+		} else if (isMap()) {
+			return ObjectUtils.nullSafeEquals(getMapKeyType(), other.getMapKeyType())
+					&& ObjectUtils.nullSafeEquals(getMapValueType(), other.getMapValueType());
+		} else {
 			return true;
 		}
 	}
@@ -444,13 +446,171 @@ public class TypeDescriptor {
 		if (isMap()) {
 			builder.append("<").append(wildcard(getMapKeyType()));
 			builder.append(", ").append(wildcard(getMapValueType())).append(">");
-		}
-		else if (isCollection()) {
+		} else if (isCollection()) {
 			builder.append("<").append(wildcard(getElementType())).append(">");
 		}
 		return builder.toString();
 	}
 
+	// helper public class
+
+	public static final class Property {
+
+		private final Class<?> objectType;
+
+		private final Method readMethod;
+
+		private final Method writeMethod;
+
+		private final String name;
+		
+		private final MethodParameter methodParameter;
+
+		private final Annotation[] annotations;
+
+		public Property(Class<?> objectType, Method readMethod, Method writeMethod) {
+			this.objectType = objectType;
+			this.readMethod = readMethod;
+			this.writeMethod = writeMethod;
+			this.methodParameter = resolveMethodParameter();
+			this.name = resolveName();
+			this.annotations = resolveAnnotations();
+		}
+
+		public Class<?> getObjectType() {
+			return objectType;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public Class<?> getType() {
+			return methodParameter.getParameterType();
+		}
+
+		public Method getReadMethod() {
+			return readMethod;
+		}
+
+		public Method getWriteMethod() {
+			return writeMethod;
+		}
+
+		MethodParameter getMethodParameter() {
+			return methodParameter;
+		}
+
+		Annotation[] getAnnotations() {
+			return annotations;
+		}
+
+		private String resolveName() {
+			if (readMethod != null) {
+				int index = readMethod.getName().indexOf("get");
+				if (index != -1) {
+					index += 3;
+				} else {
+					index = readMethod.getName().indexOf("is");
+					if (index == -1) {
+						throw new IllegalArgumentException("Not a getter method");
+					}
+					index += 2;
+				}
+				return StringUtils.uncapitalize(readMethod.getName().substring(index));
+			} else {
+				int index = writeMethod.getName().indexOf("set") + 3;
+				if (index == -1) {
+					throw new IllegalArgumentException("Not a setter method");
+				}
+				return StringUtils.uncapitalize(writeMethod.getName().substring(index));
+			}
+		}
+
+		private MethodParameter resolveMethodParameter() {
+			MethodParameter read = resolveReadMethodParameter();
+			MethodParameter write = resolveWriteMethodParameter();
+			if (read == null && write == null) {
+				throw new IllegalStateException("Property is neither readable or writeable");				
+			}
+			if (read != null && write != null && !read.getParameterType().equals(write.getParameterType())) {
+				throw new IllegalStateException("Read and write parameter types are not the same");
+			}
+			return read != null ? read : write;
+		}
+		
+		private MethodParameter resolveReadMethodParameter() {
+			if (getReadMethod() == null) {
+				return null;
+			}
+			return resolveParameterType(new MethodParameter(getReadMethod(), -1));			
+		}
+
+		private MethodParameter resolveWriteMethodParameter() {
+			if (getWriteMethod() == null) {
+				return null;
+			}
+			return resolveParameterType(new MethodParameter(getWriteMethod(), 0));			
+		}
+
+		private MethodParameter resolveParameterType(MethodParameter parameter) {
+			// needed to resolve generic property types that parameterized by sub-classes e.g. T getFoo();
+			GenericTypeResolver.resolveParameterType(parameter, getObjectType());
+			return parameter;			
+		}
+		
+		private Annotation[] resolveAnnotations() {
+			Map<Class<?>, Annotation> annMap = new LinkedHashMap<Class<?>, Annotation>();
+			Method readMethod = getReadMethod();
+			if (readMethod != null) {
+				for (Annotation ann : readMethod.getAnnotations()) {
+					annMap.put(ann.annotationType(), ann);
+				}
+			}
+			Method writeMethod = getWriteMethod();
+			if (writeMethod != null) {
+				for (Annotation ann : writeMethod.getAnnotations()) {
+					annMap.put(ann.annotationType(), ann);
+				}
+			}
+			Field field = getField();
+			if (field != null) {
+				for (Annotation ann : field.getAnnotations()) {
+					annMap.put(ann.annotationType(), ann);
+				}
+			}
+			return annMap.values().toArray(new Annotation[annMap.size()]);
+		}
+
+		private Field getField() {
+			String name = getName();
+			if (!StringUtils.hasLength(name)) {
+				return null;
+			}
+			Class<?> declaringClass = declaringClass();
+			Field field = ReflectionUtils.findField(declaringClass, name);
+			if (field == null) {
+				// Same lenient fallback checking as in CachedIntrospectionResults...
+				field = ReflectionUtils.findField(declaringClass,
+						name.substring(0, 1).toLowerCase() + name.substring(1));
+				if (field == null) {
+					field = ReflectionUtils.findField(declaringClass,
+							name.substring(0, 1).toUpperCase() + name.substring(1));
+				}
+			}
+			return field;
+		}
+
+		private Class<?> declaringClass() {
+			if (getReadMethod() != null) {
+				return getReadMethod().getDeclaringClass();
+			} else {
+				return getWriteMethod().getDeclaringClass();
+			}
+		}
+
+	}
+
 	// package private
 
 	TypeDescriptor(AbstractDescriptor descriptor) {
@@ -464,7 +624,7 @@ public class TypeDescriptor {
 	static Annotation[] nullSafeAnnotations(Annotation[] annotations) {
 		return annotations != null ? annotations : EMPTY_ANNOTATION_ARRAY;
 	}
-	
+
 	// internal constructors
 
 	private TypeDescriptor(Class<?> type) {
@@ -479,7 +639,8 @@ public class TypeDescriptor {
 		this(mapType, null, keyType, valueType, EMPTY_ANNOTATION_ARRAY);
 	}
 
-	private TypeDescriptor(Class<?> type, TypeDescriptor elementType, TypeDescriptor mapKeyType, TypeDescriptor mapValueType, Annotation[] annotations) {
+	private TypeDescriptor(Class<?> type, TypeDescriptor elementType, TypeDescriptor mapKeyType,
+			TypeDescriptor mapValueType, Annotation[] annotations) {
 		this.type = type;
 		this.elementType = elementType;
 		this.mapKeyType = mapKeyType;
@@ -494,7 +655,7 @@ public class TypeDescriptor {
 				return null;
 			}
 		}
-		return new TypeDescriptor(descriptor);		
+		return new TypeDescriptor(descriptor);
 	}
 
 	// internal helpers
@@ -507,7 +668,7 @@ public class TypeDescriptor {
 		if (keyType == null) {
 			return false;
 		}
-		return keyType.isAssignableTo(targetKeyType);		
+		return keyType.isAssignableTo(targetKeyType);
 	}
 
 	private boolean collectionElementsAssignable(TypeDescriptor targetElementType) {
@@ -518,9 +679,9 @@ public class TypeDescriptor {
 		if (elementType == null) {
 			return false;
 		}
-		return elementType.isAssignableTo(targetElementType);				
+		return elementType.isAssignableTo(targetElementType);
 	}
-	
+
 	private boolean mapValuesAssignable(TypeDescriptor targetValueType) {
 		TypeDescriptor valueType = getMapValueType();
 		if (targetValueType == null) {
@@ -529,21 +690,21 @@ public class TypeDescriptor {
 		if (valueType == null) {
 			return false;
 		}
-		return valueType.isAssignableTo(targetValueType);		
+		return valueType.isAssignableTo(targetValueType);
 	}
 
 	private void assertCollectionOrArray() {
 		if (!isCollection() && !isArray()) {
 			throw new IllegalStateException("Not a java.util.Collection or Array");
-		}		
+		}
 	}
-	
+
 	private void assertMap() {
 		if (!isMap()) {
 			throw new IllegalStateException("Not a java.util.Map");
-		}		
+		}
 	}
-	
+
 	private String wildcard(TypeDescriptor nestedType) {
 		return nestedType != null ? nestedType.toString() : "?";
 	}

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

@@ -22,7 +22,6 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 
-import java.beans.PropertyDescriptor;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -37,6 +36,7 @@ import java.util.Map;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.core.MethodParameter;
+import org.springframework.core.convert.TypeDescriptor.Property;
 
 /**
  * @author Keith Donald
@@ -205,8 +205,8 @@ public class TypeDescriptorTests {
 
 	@Test
 	public void propertyComplex() throws Exception {
-		PropertyDescriptor property = new PropertyDescriptor("complexProperty", getClass().getMethod("getComplexProperty", null), getClass().getMethod("setComplexProperty", Map.class));		
-		TypeDescriptor desc = new TypeDescriptor(getClass(), property);
+		Property property = new Property(getClass(), getClass().getMethod("getComplexProperty", null), getClass().getMethod("setComplexProperty", Map.class));		
+		TypeDescriptor desc = new TypeDescriptor(property);
 		assertEquals(String.class, desc.getMapKeyType().getType());
 		assertEquals(Integer.class, desc.getMapValueType().getElementType().getElementType().getType());
 	}
@@ -222,16 +222,16 @@ public class TypeDescriptorTests {
 	@Test
 	public void propertyGenericType() throws Exception {
 		GenericType<Integer> genericBean = new IntegerType();
-		PropertyDescriptor property = new PropertyDescriptor("property", genericBean.getClass().getMethod("getProperty", null), genericBean.getClass().getMethod("setProperty", Integer.class));		
-		TypeDescriptor desc = new TypeDescriptor(genericBean.getClass(), property);
+		Property property = new Property(getClass(), genericBean.getClass().getMethod("getProperty", null), genericBean.getClass().getMethod("setProperty", Integer.class));		
+		TypeDescriptor desc = new TypeDescriptor(property);
 		assertEquals(Integer.class, desc.getType());
 	}
 
 	@Test
 	public void propertyGenericTypeList() throws Exception {
 		GenericType<Integer> genericBean = new IntegerType();
-		PropertyDescriptor property = new PropertyDescriptor("listProperty", genericBean.getClass().getMethod("getListProperty", null), genericBean.getClass().getMethod("setListProperty", List.class));		
-		TypeDescriptor desc = new TypeDescriptor(genericBean.getClass(), property);
+		Property property = new Property(getClass(), genericBean.getClass().getMethod("getListProperty", null), genericBean.getClass().getMethod("setListProperty", List.class));		
+		TypeDescriptor desc = new TypeDescriptor(property);
 		assertEquals(List.class, desc.getType());
 		assertEquals(Integer.class, desc.getElementType().getType());
 	}
@@ -274,8 +274,8 @@ public class TypeDescriptorTests {
 	@Test
 	public void propertyGenericClassList() throws Exception {
 		IntegerClass genericBean = new IntegerClass();
-		PropertyDescriptor property = new PropertyDescriptor("listProperty", genericBean.getClass().getMethod("getListProperty", null), genericBean.getClass().getMethod("setListProperty", List.class));		
-		TypeDescriptor desc = new TypeDescriptor(genericBean.getClass(), property);
+		Property property = new Property(genericBean.getClass(), genericBean.getClass().getMethod("getListProperty", null), genericBean.getClass().getMethod("setListProperty", List.class));		
+		TypeDescriptor desc = new TypeDescriptor(property);
 		assertEquals(List.class, desc.getType());
 		assertEquals(Integer.class, desc.getElementType().getType());
 		assertNotNull(desc.getAnnotation(MethodAnnotation1.class));
@@ -306,8 +306,9 @@ public class TypeDescriptorTests {
 
 	@Test
 	public void property() throws Exception {
-		PropertyDescriptor property = new PropertyDescriptor("property", getClass().getMethod("getProperty", null), getClass().getMethod("setProperty", Map.class));		
-		TypeDescriptor desc = new TypeDescriptor(getClass(), property);
+		Property property = new Property(getClass(), getClass().getMethod("getProperty", null), getClass().getMethod("setProperty", Map.class));		
+		TypeDescriptor desc = new TypeDescriptor(property);
+		assertEquals(Map.class, desc.getType());
 		assertEquals(Integer.class, desc.getMapKeyType().getElementType().getType());
 		assertEquals(Long.class, desc.getMapValueType().getElementType().getType());
 		assertNotNull(desc.getAnnotation(MethodAnnotation1.class));
@@ -573,8 +574,8 @@ public class TypeDescriptorTests {
 
 	@Test
 	public void nestedPropertyTypeMapTwoLevels() throws Exception {
-		PropertyDescriptor property = new PropertyDescriptor("test4", getClass().getMethod("getTest4", null), getClass().getMethod("setTest4", List.class));
-		TypeDescriptor t1 = TypeDescriptor.nested(getClass(), property, 2);
+		Property property = new Property(getClass(), getClass().getMethod("getTest4", null), getClass().getMethod("setTest4", List.class));
+		TypeDescriptor t1 = TypeDescriptor.nested(property, 2);
 		assertEquals(String.class, t1.getType());
 	}
 

org.springframework.expression/src/main/java/org/springframework/expression/spel/support/ReflectivePropertyAccessor.java

@@ -16,8 +16,6 @@
 
 package org.springframework.expression.spel.support;
 
-import java.beans.IntrospectionException;
-import java.beans.PropertyDescriptor;
 import java.lang.reflect.Array;
 import java.lang.reflect.Field;
 import java.lang.reflect.Member;
@@ -28,6 +26,7 @@ import java.util.concurrent.ConcurrentHashMap;
 
 import org.springframework.core.MethodParameter;
 import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.core.convert.TypeDescriptor.Property;
 import org.springframework.expression.AccessException;
 import org.springframework.expression.EvaluationContext;
 import org.springframework.expression.EvaluationException;
@@ -75,17 +74,12 @@ public class ReflectivePropertyAccessor implements PropertyAccessor {
 		Method method = findGetterForProperty(name, type, target instanceof Class);
 		if (method != null) {
 			// Treat it like a property
-			try {
-				// The readerCache will only contain gettable properties (let's not worry about setters for now)
-				PropertyDescriptor propertyDescriptor = new PropertyDescriptor(name, method, null);
-				TypeDescriptor typeDescriptor = new TypeDescriptor(type, propertyDescriptor);
-				this.readerCache.put(cacheKey, new InvokerPair(method, typeDescriptor));
-				this.typeDescriptorCache.put(cacheKey, typeDescriptor);
-				return true;
-			}
-			catch (IntrospectionException ex) {
-				throw new AccessException("Unable to access property '" + name + "' through getter " + method, ex);
-			}
+			// The readerCache will only contain gettable properties (let's not worry about setters for now)
+			Property property = new Property(type, method, null);
+			TypeDescriptor typeDescriptor = new TypeDescriptor(property);
+			this.readerCache.put(cacheKey, new InvokerPair(method, typeDescriptor));
+			this.typeDescriptorCache.put(cacheKey, typeDescriptor);
+			return true;
 		}
 		else {
 			Field field = findField(name, type, target instanceof Class);
@@ -122,17 +116,11 @@ public class ReflectivePropertyAccessor implements PropertyAccessor {
 				if (method != null) {
 					// TODO remove the duplication here between canRead and read
 					// Treat it like a property
-					try {
-						// The readerCache will only contain gettable properties (let's not worry about setters for now)
-						PropertyDescriptor propertyDescriptor = new PropertyDescriptor(name, method, null);
-						TypeDescriptor typeDescriptor = new TypeDescriptor(type, propertyDescriptor);
-						invoker = new InvokerPair(method, typeDescriptor);
-						this.readerCache.put(cacheKey, invoker);
-					}
-					catch (IntrospectionException ex) {
-						throw new AccessException(
-								"Unable to access property '" + name + "' through getter " + method, ex);
-					}
+					// The readerCache will only contain gettable properties (let's not worry about setters for now)
+					Property property = new Property(type, method, null);
+					TypeDescriptor typeDescriptor = new TypeDescriptor(property);
+					invoker = new InvokerPair(method, typeDescriptor);
+					this.readerCache.put(cacheKey, invoker);
 				}
 			}
 			if (method != null) {
@@ -183,14 +171,8 @@ public class ReflectivePropertyAccessor implements PropertyAccessor {
 		Method method = findSetterForProperty(name, type, target instanceof Class);
 		if (method != null) {
 			// Treat it like a property
-			PropertyDescriptor propertyDescriptor = null;
-			try {
-				propertyDescriptor = new PropertyDescriptor(name, null, method);
-			}
-			catch (IntrospectionException ex) {
-				throw new AccessException("Unable to access property '" + name + "' through setter "+method, ex);
-			}
-			TypeDescriptor typeDescriptor = new TypeDescriptor(type, propertyDescriptor);
+			Property property = new Property(type, null, method);
+			TypeDescriptor typeDescriptor = new TypeDescriptor(property);
 			this.writerCache.put(cacheKey, method);
 			this.typeDescriptorCache.put(cacheKey, typeDescriptor);
 			return true;