package us.codecraft.webmagic.utils;
   
   import java.lang.reflect.Field;
   import java.util.LinkedHashSet;
   import java.util.Set;
   
   /**
    * @author code4crafter@gmail.com
    * @since 0.5.0
   */
  public abstract class ClassUtils {
  
      public static Set<Field> getFieldsIncludeSuperClass(Class clazz) {
          Set<Field> fields = new LinkedHashSet<Field>();
          Class current = clazz;
          while (current != null) {
              Field[] currentFields = current.getDeclaredFields();
              for (Field currentField : currentFields) {
                  fields.add(currentField);
              }
              current = current.getSuperclass();
          }
          return fields;
      }
  
  }