Hessian源码学习（六）_JAVA_编程开发_程序员俱乐部

public void writeObject(Object obj, AbstractHessianOutput out)
    throws IOException
{
    if (out.addRef(obj))
      return;

    Collection list = (Collection) obj;

    Class cl = obj.getClass();
    boolean hasEnd;
    
	// 输出集合头，格式：'V'['l'集合大小] or 'Vt'[类型名]['l'集合大小]总是返回true
    if (cl.equals(ArrayList.class) || ! _sendJavaType)
      hasEnd = out.writeListBegin(list.size(), null);
    else
      hasEnd = out.writeListBegin(list.size(), obj.getClass().getName());

	// 循环序列化每一个集合元素
    Iterator iter = list.iterator();
    while (iter.hasNext()) {
      Object value = iter.next();
	  // 若不清楚这里面做了什么，请看Hessian源码学习（三）
      out.writeObject(value);
    }

	// 输出结束标记'z'
    if (hasEnd)
      out.writeListEnd();
}

 public void writeObject(Object obj, AbstractHessianOutput out)
    throws IOException
  {
    if (out.addRef(obj))
      return;

    Map map = (Map) obj;

    Class cl = obj.getClass();
	// 输出Map头，格式：'Mt' or 'Mt'[类型名] 
    if (cl.equals(HashMap.class))
      out.writeMapBegin(null);
    else
      out.writeMapBegin(obj.getClass().getName());

	// 循环序列化每一个键值对
    Iterator iter = map.entrySet().iterator();
    while (iter.hasNext()) {
      Map.Entry entry = (Map.Entry) iter.next();
	  // 分别序列化键、值 (若不清楚这里面做了什么，请看Hessian源码学习（三）)
      out.writeObject(entry.getKey());
      out.writeObject(entry.getValue());
    }
	// 输出结束标记'z'
    out.writeMapEnd();
  }