/**
* Mad-Advertisement
* Copyright (C) 2011 Thorsten Marx <thmarx@gmx.net>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.mad.ads.base.api;
import java.util.HashMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BaseContext extends HashMap<String, Object> {
private static final Logger logger = LoggerFactory.getLogger(BaseContext.class);
public BaseContext () {
super();
}
public <T> T get(String key, Class<T> to, T defaultValue) {
Object value = get(key);
if (value == null) {
return defaultValue;
}
if (to.isAssignableFrom(value.getClass())) {
return to.cast(value);
}
return defaultValue;
}
}