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@heatxsink
Created April 24, 2010 21:02
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<?php
/*
*
* Copyright (c) 2010 Nicholas Granado
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
class UrlRewriter {
public static function Transform($path) {
$return_value = '';
$assets_version = getenv("ASSETS_VERSION");
$assets_hostname = getenv("ASSETS_HOSTNAME");
if($assets_hostname == '') {
$return_value = $path;
} else {
$filename = basename($path);
$assets_filename = self::InjectTimestamp($filename, $assets_version);
$relative_path = str_replace($filename, '', $path);
$return_value = sprintf("http: *%s%s%s", $assets_hostname, $relative_path, $assets_filename);
}
return $return_value;
}
private static function InjectTimestamp($filename, $version) {
$return_value = '';
$tokens = explode('.', $filename);
$file_ext = array_pop($tokens);
if($version == '') {
$return_value = $filename;
} else {
$return_value = sprintf("%s%s.%s", basename($filename, $file_ext), $version, $file_ext);
}
return $return_value;
}
}
?>
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