eventhandlebase.java

来自「小型论文管理系统 功能还不是很完善 有待改进」· Java 代码 · 共 42 行

package stumanage.events;

import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import stumanage.beans.*;

public abstract class EventHandleBase {

  public UserInfo user = new UserInfo();
  public EventHandleBase() {
  }
  protected abstract String getURL();

  public void process (ServletContext sc,
                       HttpServletRequest request, HttpServletResponse response)
    throws IOException, ServletException {

    //Debug.log (this, "process", "Using default process");
  }
  public void forward (HttpServletRequest request, HttpServletResponse response)
    throws IOException, ServletException {

    //Debug.log (this, "forward", "Using default forward");
    _dispatch (request, response);
  }

  protected void _dispatch (HttpServletRequest request, HttpServletResponse response)
    throws IOException, ServletException {

    //Debug.log (this, "_dispatch", "redirecting to " + getURL());

    RequestDispatcher rd  = request.getRequestDispatcher(getURL());
    if (rd == null) {
      //Debug.log (this, "_dispatch", "rd = null!");
    }
    rd.forward (request, response);
  }


}