/**
* Analyzes the bean and returns a map containing the property-values. Works similar to {@link
* BeanUtils#describe(Object)} but does not convert everything to strings.
*
* @throws IllegalArgumentException if the bean cannot be analyzed properly. Probably because some
* getter throw an Exception
*/
public static Map<String, Object> buildObjectAttributeMap(Object bean)
throws IllegalArgumentException {
BeanInfo beanInfo;
try {
beanInfo = Introspector.getBeanInfo(bean.getClass(), Object.class);
} catch (IntrospectionException e1) {
throw new IllegalArgumentException(e1);
}
Map<String, Object> result;
result = Maps.newHashMap();
for (PropertyDescriptor pDesc : beanInfo.getPropertyDescriptors()) {
String name = pDesc.getName();
Object propertyValue;
try {
propertyValue = pDesc.getReadMethod().invoke(bean);
} catch (IllegalAccessException e) {
// this should never happen since the Introspector only returns accessible read-methods
LOGGER.error("WTF: got property descriptor with inaccessible read-method");
throw new IllegalStateException(e);
} catch (InvocationTargetException e) {
ReflectionUtils.handleInvocationTargetException(e);
throw new IllegalStateException("Should never get here");
}
if (propertyValue != null) {
result.put(name, propertyValue);
}
}
return result;
}
