convert object/bean to map
v5tech opened this issue · 0 comments
v5tech commented
Straight up Java
public void convert_object_to_map_introspector() throws IntrospectionException,
IllegalAccessException, IllegalArgumentException,
InvocationTargetException {
Account account = new Account(1, "ameizi");
Map<String, Object> objectAsMap = new HashMap<String, Object>();
BeanInfo info = Introspector.getBeanInfo(account.getClass());
for (PropertyDescriptor pd : info.getPropertyDescriptors()) {
Method reader = pd.getReadMethod();
if (reader != null)
objectAsMap.put(pd.getName(),reader.invoke(account));
}
}
Apache Commons
public void convert_object_to_map_apache_commons() throws IllegalAccessException,
InvocationTargetException, NoSuchMethodException {
Account account = new Account(1, "ameizi");
@SuppressWarnings("unchecked")
Map<String, Object> objectAsMap = BeanUtils.describe(account);
}
Jackson
public void convert_object_to_map_jackson() {
Account account = new Account(1, "ameizi");
ObjectMapper objectMapper = new ObjectMapper();
@SuppressWarnings("unchecked")
Map<String, Object> objectAsMap = objectMapper.convertValue(account, Map.class);
}
https://www.leveluplunch.com/java/examples/convert-object-bean-properties-map-key-value