import java.lang.reflect.Field;
public class Util{
/**
* @param clz
* @param expression
* @return introspected field
*/
public static Field findField(Class clz, String expression) {
Field field = null;
try {
field = clz.getField(expression);
} catch (Exception e) {
Class tmp = clz;
while(tmp != null && tmp != Object.class) {
Field[] fields = tmp.getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
if(fields[i].getName().equals(expression)) {
fields[i].setAccessible(true);
return fields[i];
}
}
tmp = tmp.getSuperclass();
}
}
return field;
}
}