listhandler.java

来自「《Java网络程序设计.rar》包括三个网络程序的源代码。」· Java 代码 · 共 40 行

/*
 */

package org.impact.stars.control.web.handlers;

import org.impact.stars.control.event.StarsEvent;
import org.impact.stars.control.exceptions.StarsEventException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Enumeration;

/*
 * ListHandler
 * -----------
 * This handler takes all the parameters and their values in the request
 * object and sets them as attributes in the session object for use by
 * the list tag handlers.
 */
public class ListHandler extends RequestHandlerSupport {

    public StarsEvent processRequest(HttpServletRequest request) throws StarsEventException {
    Enumeration paramNames = request.getParameterNames();
    HttpSession session = request.getSession();
    while (paramNames.hasMoreElements()) {
      String paramName = (String) paramNames.nextElement();
      session.setAttribute(paramName, request.getParameter(paramName));
    }
    return null;
  }
}