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<?php
/**
* @author Bart Visscher <bartv@thisnet.nl>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin McCorkell <robin@mccorkell.me.uk>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Template;
abstract class ResourceLocator {
protected $theme;
protected $mapping;
protected $serverroot;
protected $thirdpartyroot;
protected $webroot;
protected $resources = array();
/** @var \OCP\ILogger */
protected $logger;
/**
* @param \OCP\ILogger $logger
* @param string $theme
* @param array $core_map
* @param array $party_map
*/
public function __construct(\OCP\ILogger $logger, $theme, $core_map, $party_map) {
$this->logger = $logger;
$this->theme = $theme;
$this->mapping = $core_map + $party_map;
$this->serverroot = key($core_map);
$this->thirdpartyroot = key($party_map);
$this->webroot = $this->mapping[$this->serverroot];
}
/**
* @param string $resource
*/
abstract public function doFind($resource);
/**
* @param string $resource
*/
abstract public function doFindTheme($resource);
/**
* Finds the resources and adds them to the list
*
* @param array $resources
*/
public function find($resources) {
foreach ($resources as $resource) {
try {
$this->doFind($resource);
} catch (ResourceNotFoundException $e) {
$resourceApp = substr($resource, 0, strpos($resource, '/'));
$this->logger->error('Could not find resource file "' . $e->getResourcePath() . '"', ['app' => $resourceApp]);
}
}
if (!empty($this->theme)) {
foreach ($resources as $resource) {
try {
$this->doFindTheme($resource);
} catch (ResourceNotFoundException $e) {
$resourceApp = substr($resource, 0, strpos($resource, '/'));
$this->logger->error('Could not find resource file "' . $e->getResourcePath() . '"', ['app' => $resourceApp]);
}
}
}
}
/**
* append the $file resource if exist at $root
*
* @param string $root path to check
* @param string $file the filename
* @param string|null $webRoot base for path, default map $root to $webRoot
* @return bool True if the resource was found, false otherwise
*/
protected function appendIfExist($root, $file, $webRoot = null) {
if (is_file($root.'/'.$file)) {
$this->append($root, $file, $webRoot, false);
return true;
}
return false;
}
/**
* append the $file resource at $root
*
* @param string $root path to check
* @param string $file the filename
* @param string|null $webRoot base for path, default map $root to $webRoot
* @param bool $throw Throw an exception, when the route does not exist
* @throws ResourceNotFoundException Only thrown when $throw is true and the resource is missing
*/
protected function append($root, $file, $webRoot = null, $throw = true) {
if (!$webRoot) {
$webRoot = $this->mapping[$root];
}
$this->resources[] = array($root, $webRoot, $file);
if ($throw && !is_file($root . '/' . $file)) {
throw new ResourceNotFoundException($file, $webRoot);
}
}
/**
* Returns the list of all resources that should be loaded
* @return array
*/
public function getResources() {
return $this->resources;
}
}
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