/*
* Copyright 2004-2009 the original author or authors.
*
* 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 org.slim3.datastore;
import com.google.appengine.api.users.User;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;
/**
* This listener sets the current user when a model is created.
*
* @author higa
* @since 1.0.5
*
*/
public class CreationUser implements AttributeListener<User> {
public User prePut(User value) {
if (value != null) {
return value;
}
UserService us = UserServiceFactory.getUserService();
return us.getCurrentUser();
}
}