Reflection method for getting field values in a child class from a parent class

GetNonNullMap.java

/**
 * Assembles a hashmap, omitting null or empty values at runtime. This
 * can be used in an abstract class and properly accessed in a child class.
 * 
 * @return returns a hashmap of the current class fields that are not null
 */
public Map<String, String> getNonNullMap() {

	Class<?> clazz = null;
	Map<String, String> classMap = new HashMap<String, String>();

	try {
		clazz = Class.forName(this.getClass().getName());
	} catch (ClassNotFoundException e) {
		LOGGER.error("", e);
	}

	Field[] classFields = clazz.getDeclaredFields();

	for (int i = 0; i < classFields.length; i++) {

		Field field = classFields[i];
		field.setAccessible(true);
		
		try {
			String value = String.valueOf(field.get(this));
	
			if (value != null && !"null".equals(value) 
					&& !value.isEmpty()
					&& !field.getName().equals("serialVersionUID")) {

				classMap.put(field.getName(), String.valueOf(field.get(this)));
			}
		} catch (IllegalArgumentException e) {
			LOGGER.error("", e);
		} catch (IllegalAccessException e) {
			LOGGER.error("", e);
		}

		field.setAccessible(false);
	}

	return classMap;
}