UserIdOps.java

/*
 * Copyright 2015 Evgeny Dolganov (evgenij.dolganov@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 och.api.model.client;

import static och.util.StringUtil.*;
import static och.util.Util.*;

import java.util.List;


public class UserIdOps {
	
	public static String getUserId(ClientInfo clientInfo){
		return clientInfo.ip+"#"+clientInfo.userAgent;
	}
	
	public static ClientInfo getClientInfoFromUserId(String userId){
		
		if( ! hasText(userId)) return null;
		
		List<String> parts = strToList(userId, "#");
		if(parts.size() < 2) return null;
		
		String ip = parts.get(0);
		String userAgent = parts.get(1);
		return new ClientInfo(ip, userAgent);
	}

}