java - java中如何使用类

Question

我是 GWT 和 java 新手这是理解我的问题的示例

代码

  .Client

  Class A(){
// design Part with 2 text box for user name and password
//On click event of Button  asyncInterface is called (RPC) to create a session

service.getConnection(authentication, callback);// authentication is array with username password

}

在服务器端

 .server
public class ServiceIMPL extends RemoteServiceServlet implements ServiceInterface{
     public String getConnection(String[] authentication) {
        connectionParameter = new ConnectionParameter(authentication,repositoryName);
        session=connectionParameter.getSession();
     }
 }

此Session用于在存储库中添加删除文件夹。

addFolder、getFolder、getDocment 方法是在与 Session 所需的同一类中编写的。一切都工作正常。

现在我必须在存储库中添加文档。为此我在服务器中设计了一个servlet

 public class FileUpload extends HttpServlet implements Servlet {

// servlet is also working fine i have the content of file in buffer.
//but to add file in a repository I need Session which is in ServiceIMPL Class
//if I create a object of ServiceIMPL class then the authentication will be null
//Without Username and Pass word session cannot be created.
}

请帮我看看该怎么做。

Answer 1

在类ServiceImpl中公开 session

    public Session session;

以及文件上传类

  private Session session = ServiceImpl.session;

我保证这会起作用。但这不是好的编码方式。等待专家回复。