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<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
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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