/**
* Copyright (C) 2012-2017 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 etc;
import ninja.Context;
import ninja.params.ArgumentExtractor;
public class LoggedInUserExtractor implements ArgumentExtractor<String> {
@Override
public String extract(Context context) {
// if we got no cookies we break:
if (context.getSession() != null) {
String username = context.getSession().get("username");
return username;
}
return null;
}
@Override
public Class<String> getExtractedType() {
return String.class;
}
@Override
public String getFieldName() {
return null;
}
}