content: package com.supeream.serial;
  
  import java.lang.reflect.Constructor;
  import java.lang.reflect.Field;
  
  public class Reflections {
  
      public static Field getField(final Class<?> clazz, final String fieldName) throws Exception {
          Field field = clazz.getDeclaredField(fieldName);
          if (field == null && clazz.getSuperclass() != null) {
              field = getField(clazz.getSuperclass(), fieldName);
          }
          field.setAccessible(true);
          return field;
      }
  
      public static void setFieldValue(final Object obj, final String fieldName, final Object value) throws Exception {
          final Field field = getField(obj.getClass(), fieldName);
          field.set(obj, value);
      }
  
      public static Object getFieldValue(final Object obj, final String fieldName) throws Exception {
          final Field field = getField(obj.getClass(), fieldName);
          return field.get(obj);
      }
  
      public static Constructor<?> getFirstCtor(final String name) throws Exception {
          final Constructor<?> ctor = Class.forName(name).getDeclaredConstructors()[0];
          ctor.setAccessible(true);
          return ctor;
      }
  
  }
  