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- <?php
-
- /*
- * This file is part of the Assetic package, an OpenSky project.
- *
- * (c) 2010-2011 OpenSky Project Inc
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
- namespace Assetic\Filter\GoogleClosure;
-
- use Assetic\Asset\AssetInterface;
- use Assetic\Util\ProcessBuilder;
-
- /**
- * Filter for the Google Closure Compiler JAR.
- *
- * @author Kris Wallsmith <kris.wallsmith@gmail.com>
- */
- class CompilerJarFilter extends BaseCompilerFilter
- {
- private $jarPath;
- private $javaPath;
-
- public function __construct($jarPath, $javaPath = '/usr/bin/java')
- {
- $this->jarPath = $jarPath;
- $this->javaPath = $javaPath;
- }
-
- public function filterDump(AssetInterface $asset)
- {
- $cleanup = array();
-
- $pb = new ProcessBuilder();
- $pb
- ->inheritEnvironmentVariables()
- ->add($this->javaPath)
- ->add('-jar')
- ->add($this->jarPath)
- ;
-
- if (null !== $this->compilationLevel) {
- $pb->add('--compilation_level')->add($this->compilationLevel);
- }
-
- if (null !== $this->jsExterns) {
- $cleanup[] = $externs = tempnam(sys_get_temp_dir(), 'assetic_google_closure_compiler');
- file_put_contents($externs, $this->jsExterns);
- $pb->add('--externs')->add($externs);
- }
-
- if (null !== $this->externsUrl) {
- $cleanup[] = $externs = tempnam(sys_get_temp_dir(), 'assetic_google_closure_compiler');
- file_put_contents($externs, file_get_contents($this->externsUrl));
- $pb->add('--externs')->add($externs);
- }
-
- if (null !== $this->excludeDefaultExterns) {
- $pb->add('--use_only_custom_externs');
- }
-
- if (null !== $this->formatting) {
- $pb->add('--formatting')->add($this->formatting);
- }
-
- if (null !== $this->useClosureLibrary) {
- $pb->add('--manage_closure_dependencies');
- }
-
- if (null !== $this->warningLevel) {
- $pb->add('--warning_level')->add($this->warningLevel);
- }
-
- $pb->add('--js')->add($cleanup[] = $input = tempnam(sys_get_temp_dir(), 'assetic_google_closure_compiler'));
- file_put_contents($input, $asset->getContent());
-
- $proc = $pb->getProcess();
- $code = $proc->run();
- array_map('unlink', $cleanup);
-
- if (0 < $code) {
- throw new \RuntimeException($proc->getErrorOutput());
- }
-
- $asset->setContent($proc->getOutput());
- }
- }
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