php自動ロードクラス

class ClassLoader {
    private $namespace;
    private $path;
    private $namespaceSeparator = '\\';
    private $fileExtension = '.php';
    
    public function __construct($namespace=null, $path=null) {
        $this->namespace = $namespace;
        $this->path = $path;
    }
    
    public function setNamespace($namespace) {
        $this->namespace = $namespace;
    }
    
    public function getNamespace() {
        return $this->namespace;
    }
    
    public function setPath($path) {
        $this->path = $path;
    }
    
    public function getPath() {
        return $this->path;
    }
    
    public function setNamespaceSeparator($namespaceSeparator) {
        $this->namespaceSeparator = $namespaceSeparator;
    }
    
    public function getNamespaceSeparator() {
        return $this->namespaceSeparator;
    }
    
    public function setFileExtension($fileExtension) {
        $this->fileExtension = $fileExtension;
    }
    
    public function register() {
        spl_autoload_register(array($this, 'loadClass'));
    }
    
    public function loadClass($className) {
        if ($this->namespace !== null && strpos($className, $this->namespace.$this->namespaceSeparator) !== 0) {
            return false;
        }
        
        require_once ($this->path !== null ? $this->path.DIRECTORY_SEPARATOR : '')
            . str_replace($this->namespaceSeparator, DIRECTORY_SEPARATOR, $className)
            . $this->fileExtension;
        
        return true;
    }
}
?>