/*******************************************************************************
 * ============LICENSE_START====================================================
 * * org.onap.aaf
 * * ===========================================================================
 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * * ===========================================================================
 * * 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.
 * * ============LICENSE_END====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/
package com.att.cadi.principal;

import java.io.IOException;

import com.att.cadi.BasicCred;
import com.att.cadi.CachedPrincipal;
import com.att.cadi.taf.HttpTaf;

/**
 * Cached Principals need to be able to revalidate in the Background
 * 
 *
 */
public class CachedBasicPrincipal extends BasicPrincipal implements CachedPrincipal {
	private final HttpTaf creator;
	private long timeToLive;
	private long expires;

	public CachedBasicPrincipal(HttpTaf creator, BasicCred bc, String domain, long timeToLive) {
		super(bc, domain);
		this.creator = creator;
		this.timeToLive = timeToLive;
		expires = System.currentTimeMillis()+timeToLive;
	}
	
	public CachedBasicPrincipal(HttpTaf creator, String content, String domain, long timeToLive) throws IOException {
		super(content, domain);
		this.creator = creator;
		this.timeToLive = timeToLive;
		expires = System.currentTimeMillis()+timeToLive;
	}

	public CachedPrincipal.Resp revalidate() {
		Resp resp = creator.revalidate(this);
		if(resp.equals(Resp.REVALIDATED))expires = System.currentTimeMillis()+timeToLive;
		return resp;
	}

	public long expires() {
		return expires;
	}

}