modifyuseraction.java

使用hibernate+struts2+spring实现的文件上传下载WEB工具

package fm.action;

import java.util.Vector;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;

import org.apache.struts.action.Action;
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 org.apache.struts.action.ActionMessages;

import fm.Constants;
import fm.DB;
import fm.User;
import fm.form.ModifyUserForm;

public final class ModifyUserAction extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ModifyUserForm modifyUserForm = (ModifyUserForm) form;

		int id = Integer.parseInt(modifyUserForm.getId());
		
		String username = modifyUserForm.getUsername();
		
		String password = modifyUserForm.getPassword();
		
		float diskquota = Float.parseFloat(modifyUserForm.getDiskquota());
		
		int ifpublic = Integer.parseInt(modifyUserForm.getIfpublic());
		
		String upload1 = modifyUserForm.getUpload();
		int canupload = 0;
		if (upload1 != null) {
			canupload = Integer.parseInt(upload1);
		} else {
			canupload = 0;
		}
		
		String download1 = modifyUserForm.getDownload();
		int candownload = 0;
		if (download1 != null) {
			candownload = Integer.parseInt(download1);
		} else {
			candownload = 0;
		}
		
		String delete1 = modifyUserForm.getDelete();
		int candelete = 0;
		if (delete1 != null) {
			candelete = Integer.parseInt(delete1);
		} else {
			candelete = 0;
		}
		 
		String grade1 = modifyUserForm.getGrade();
		String grade = null;
		if (grade1.equals("1")) {
			grade = "admin";
		} else {
			grade = "user";
		}

		User user = new User();
		user.setId(id);
		user.setUsername(username);
		user.setPassword(password);
		user.setDiskquota(diskquota);
		user.setIfpublic(ifpublic);
		user.setCanupload(canupload);
		user.setCandownload(candownload);
		user.setCandelete(candelete);
		user.setGrade(grade);
		
		ServletContext context = servlet.getServletContext();
		DataSource dataSource = (DataSource) context
				.getAttribute(Constants.DATASOURCE_KEY);
		DB db = new DB(dataSource);

		String pageForward;
		ActionMessages errors = new ActionMessages();
		HttpSession session = request.getSession();
		Vector userVector = new Vector();

		if (user.modify(db)) {
			userVector = User.searchUsers(db);
			session.setAttribute(Constants.USER_LIST_KEY, userVector);
			pageForward = "ToUserList";
		} else {
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"error.newuser.insert.failed"));
			if (!errors.isEmpty()) {
				saveErrors(request, errors);
			}
			pageForward = "ToErrorPage";
		}

		db.close();
		return mapping.findForward(pageForward);
	}
}