/*
* Copyright 2012 XueSong Guo.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package wbbs.web;
import cn.webwheel.DefaultAction;
import cn.webwheel.LogicException;
import cn.webwheel.results.RedirectResult;
import com.google.inject.Inject;
import wbbs.domain.User;
import wbbs.service.LoginService;
import wbbs.service.UserService;
import java.sql.SQLException;
public class BaseAction extends DefaultAction {
@Inject
protected LoginService loginService;
@Inject
protected UserService userService;
protected User loginUser;
public User getLoginUser() throws SQLException {
if (loginUser != null) return loginUser;
String uid = loginService.getLoginUserId();
if (uid == null) return null;
return loginUser = userService.findUser(uid);
}
protected void ensureLoginAction() throws SQLException {
notNull(getLoginUser(), "登录超时");
}
protected void ensureLoginPage() throws SQLException {
if (getLoginUser() == null) {
throw new LogicException(new RedirectResult("/login.html"));
}
}
public String shorten(String s, int len) {
if (s == null) return null;
if (s.length() <= len) return s;
return s.substring(0, len) + "...";
}
}