checkdriveraction.java

近几年来

package tarena.action;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

import tarena.form.DriverForm;
import tarena.util.ContextUtil;

public class CheckDriverAction extends Action {

	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response){
		ActionErrors errors = new ActionErrors();
		DriverForm driverForm = (DriverForm) form;
		try {
			Class.forName(driverForm.getDriver());
			Connection conn = DriverManager.getConnection(driverForm.getUrl(), driverForm.getUsername(), driverForm.getPassword());
			request.getSession().setAttribute(ContextUtil.DATATRAN, new tarena.pojo.DataTran(conn, null));
			return mapping.findForward("success");
		} catch (ClassNotFoundException e) {
			errors.add("error.driver.classnotfound", new ActionMessage("error.driver.classnotfound"));
			saveErrors(request.getSession(), errors);
			return mapping.findForward("failure");
		}catch (SQLException e) {
			errors.add("error.driver.sql", new ActionMessage("error.driver.sql"));
			saveErrors(request.getSession(), errors);
			e.printStackTrace();
			return mapping.findForward("failure");
		}
	}
}