/*
* Copyright 2011 Michele Mancioppi [michele.mancioppi@gmail.com]
*
* 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 cave.nice.testMessage.ui.tags;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import com.google.appengine.api.users.User;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;
public class UserEmailTag extends SimpleTagSupport {
@Override
public void doTag() throws JspException, IOException {
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
if (user == null) {
throw new JspException("User not logged in to a Google Account");
}
getJspContext().getOut().print(user.getNickname());
}
}