1: <?php
 2: 
 3: /**
 4:  * Picon Framework
 5:  * http://code.google.com/p/picon-framework/
 6:  *
 7:  * Copyright (C) 2011-2012 Martin Cassidy <martin.cassidy@webquub.com>
 8: 
 9:  * Picon Framework is free software: you can redistribute it and/or modify
10:  * it under the terms of the GNU General Public License as published by
11:  * the Free Software Foundation, either version 3 of the License, or
12:  * (at your option) any later version.
13: 
14:  * Picon Framework is distributed in the hope that it will be useful,
15:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17:  *  General Public License for more details.
18: 
19:  * You should have received a copy of the GNU General Public License
20:  * along with Picon Framework.  If not, see <http://www.gnu.org/licenses/>.
21:  * */
22: 
23: namespace picon;
24: 
25: /**
26:  * A pointer to a file which is located in the same directory as the class
27:  * identifier or one of its super classes
28:  *
29:  * @author Martin Cassidy
30:  * @package web
31:  */
32: class ResourceReference
33: {
34:     private $file;
35:     private $identifier;
36:     
37:     public function __construct($file, Identifier $identifier)
38:     {
39:         Args::isString($file, 'file');
40:         $this->file = $file;
41:         $this->identifier = $identifier;
42:     }
43:     
44:     public function getFile()
45:     {
46:         return $this->file;
47:     }
48:     
49:     public function getIdentifier()
50:     {
51:         return $this->identifier;
52:     }
53:     
54:     public function loadResource()
55:     {
56:         $fileName = $this->getResourceFile($this->identifier->getFullyQualifiedName());
57: 
58:         if($fileName==null)
59:         {
60:             throw new \RuntimeException(sprintf("Unable to located file for resource %s with class scope %s", $this->file, $this->identifier->getFullyQualifiedName()));
61:         }
62:         $resouce = @file_get_contents($fileName);
63:         
64:         if($resouce==false)
65:         {
66:             throw new \FileException(sprintf("Failed to open file %s", $fileName));
67:         }
68:         return $resouce;
69:     }
70:     
71:     private function getResourceFile($className)
72:     {
73:         $reflection = new \ReflectionClass($className);
74:         $fileInfo = new \SplFileInfo($reflection->getFileName());
75:         
76:         $file = $fileInfo->getPath()."/".$this->file;
77:         if(file_exists($file))
78:         {
79:             return $file;
80:         }
81:         if(get_parent_class($className)!=false)
82:         {
83:             return $this->getResourceFile(get_parent_class($className));
84:         }
85:         return null;
86:     }
87: }
88: 
89: ?>
90: