<?php namespace models\oauth2;
/**
* Copyright 2015 OpenStack Foundation
* 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.
**/

use DateTime;
use DateInterval;
use DateTimeZone;

/**
* Class Token
* Defines the common behavior for all emitted tokens
* @package oauth2\models
*/
abstract class Token
{

	const DefaultByteLength = 32;

	protected $value;
	protected $lifetime;

	protected $client_id;
	protected $len;
	protected $scope;
	protected $audience;
	protected $from_ip;
	protected $is_hashed;
	protected $user_id;

	public function __construct($len = self::DefaultByteLength)
	{
		$this->len       = $len;
		$this->is_hashed = false;
	}

	public function getValue()
	{
		return $this->value;
	}

	public function getLifetime()
	{
		return intval($this->lifetime);
	}

	public function getScope()
	{
		return $this->scope;
	}

	public function getClientId()
	{
		return $this->client_id;
	}

	public function getAudience()
	{
		return $this->audience;
	}

	public function getFromIp()
	{
		return $this->from_ip;
	}

	public function getUserId()
	{
		return $this->user_id;
	}

	public function isHashed()
	{
		return $this->is_hashed;
	}

	public abstract function toJSON();


	public abstract function fromJSON($json);
}