contributions/jcssmanager/behaviour/commands/jcssmanager/closure/compress.js.cmd.php

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00001 <?php
00002 Load::commands('jcssmanager/base/compress.base');
00003 
00004 class JCSSManagerCompressJSClosureCommand extends JCSSManagerCompressBaseCommand {
00005         /**
00006          * COmpress given files 
00007          * 
00008          * @return Status
00009          */
00010         protected function compress($in_files, $out_file, &$files_to_unlink) {
00011                 $ret = new Status();
00012                 if (count($in_files) > 0) {
00013                         $ret->merge($this->run_closure($in_files, $out_file));
00014                 }
00015                 
00016                 return $ret;
00017         }
00018         
00019         /**
00020          * Returns type of compressed file
00021          *   
00022          * @return string One of TYPE_X constants
00023          */
00024         protected function get_db_type() {
00025                 return JCSSManager::TYPE_JS;
00026         }
00027         
00028         /**
00029          * Invoke Closure Compiler
00030          * 
00031          * @param array $in_files
00032          * @param string $out_file
00033          * @return Status 
00034          */
00035         protected function run_closure($in_files, $out_file) {
00036                 $ret = new Status();
00037                 
00038                 $module_dir = Load::get_module_dir('jcssmanager');
00039                 $options = '';
00040                 $options .= ' --charset=' . GyroLocale::get_charset();
00041                 $options .= ' --compilation_level=SIMPLE_OPTIMIZATIONS'; // WHITESPACE_ONLY, SIMPLE_OPTIMIZATIONS, ADVANCED_OPTIMIZATIONS
00042                 $options .= ' --third_party=1';
00043                 $options .= ' --warning_level=QUIET'; //  QUIET, DEFAULT, VERBOSE 
00044                 foreach($in_files as $file) {
00045                         if (substr($file, 0, 1) !== '/') {
00046                                 $file = Config::get_value(Config::URL_ABSPATH) . $file;
00047                         }                       
00048                         $options .= ' --js=' . $file;
00049                 }
00050                 $options .= ' --js_output_file=' . $out_file;
00051                 $cmd = 'java -jar ' . $module_dir . '3rdparty/closure/compiler.jar' . $options;
00052                 
00053                 Load::commands('generics/execute.shell');
00054                 $shell = new ExecuteShellCommand($cmd);
00055                 $ret->merge($shell->execute());
00056                 
00057                 return $ret;            
00058         } 
00059         
00060 }