/*
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.gv.egovernment.moa.id.configuration.auth;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * @author tlenz
 *
 */
public class MemoryActiveUserStorageImpl implements IActiveUserStorage {

	private Map<String, AuthenticatedUser> store = null;
	
	/**
	 * 
	 */
	public MemoryActiveUserStorageImpl() {
		store = new HashMap<String, AuthenticatedUser>();
		
	}
	
	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.configuration.auth.IActiveUserStorage#getUser(java.lang.String)
	 */
	@Override
	public AuthenticatedUser getUser(String nameID) {
		return store.get(nameID);
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.configuration.auth.IActiveUserStorage#setUser(java.lang.String, at.gv.egovernment.moa.id.configuration.auth.AuthenticatedUser)
	 */
	@Override
	public void setUser(String nameID, AuthenticatedUser authUser) {
		store.put(nameID, authUser);

	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.configuration.auth.IActiveUserStorage#removeUser(java.lang.String)
	 */
	@Override
	public void removeUser(String nameID) {
		if (store.containsKey(nameID))
			store.remove(nameID);

	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.configuration.auth.IActiveUserStorage#getUserWithSessionTimeOut(java.util.Date)
	 */
	@Override
	public Iterator<AuthenticatedUser> getUserWithSessionTimeOut(Date date) {
		List<AuthenticatedUser> expiredUsers =  new ArrayList<AuthenticatedUser>();
		for (AuthenticatedUser user : store.values()) {
			if (date.after(user.getSessionExpired()))
				expiredUsers.add(user);
			
		}				
		return expiredUsers.iterator();
	}

}