AphrontResponse.php
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AphrontResponse.php
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	<?php

	/*
	* Copyright 2011 Facebook, Inc.
	*
	* 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.
	*/

	/**
	* @group aphront
	*/
	abstract class AphrontResponse {

	private $request;
	private $cacheable = false;
	private $responseCode = 200;

	public function setRequest($request) {
	$this->request = $request;
	return $this;
	}

	public function getRequest() {
	return $this->request;
	}

	public function getHeaders() {
	return array();
	}

	public function setCacheDurationInSeconds($duration) {
	$this->cacheable = $duration;
	return $this;
	}

	public function setHTTPResponseCode($code) {
	$this->responseCode = $code;
	return $this;
	}

	public function getHTTPResponseCode() {
	return $this->responseCode;
	}

	public function getCacheHeaders() {
	if ($this->cacheable) {
	$epoch = time() + $this->cacheable;
	return array(
	array('Expires', gmdate('D, d M Y H:i:s', $epoch) . ' GMT'),
	);
	} else {
	return array(
	array('Cache-Control', 'private, no-cache, no-store, must-revalidate'),
	array('Expires', 'Sat, 01 Jan 2000 00:00:00 GMT'),
	);
	}
	}

	abstract public function buildResponseString();

	}