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doctrine2/lib/Doctrine/ORM/Mapping/Driver/AbstractFileDriver.php
2010-01-28 19:47:11 +00:00

210 lines
6.5 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Mapping\Driver;
use Doctrine\ORM\Mapping\MappingException;
/**
* Base driver for file-based metadata drivers.
*
* A file driver operates in a mode where it loads the mapping files of individual
* classes on demand. This requires the user to adhere to the convention of 1 mapping
* file per class and the file names of the mapping files must correspond to the full
* class name, including namespace, with the namespace delimiters '\', replaced by dots '.'.
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.com
* @since 2.0
* @version $Revision$
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan H. Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
abstract class AbstractFileDriver implements Driver
{
/**
* The paths where to look for mapping files.
*
* @var array
*/
protected $_paths = array();
/**
* The file extension of mapping documents.
*
* @var string
*/
protected $_fileExtension;
/**
* Initializes a new FileDriver that looks in the given path(s) for mapping
* documents and operates in the specified operating mode.
*
* @param string|array $paths One or multiple paths where mapping documents can be found.
*/
public function __construct($paths)
{
$this->addPaths((array) $paths);
}
/**
* Append lookup paths to metadata driver.
*
* @param array $paths
*/
public function addPaths(array $paths)
{
$this->_paths = array_unique(array_merge($this->_paths, $paths));
}
/**
* Retrieve the defined metadata lookup paths.
*
* @return array
*/
public function getPaths()
{
return $this->_paths;
}
/**
* Get the file extension used to look for mapping files under
*
* @return void
*/
public function getFileExtension()
{
return $this->_fileExtension;
}
/**
* Set the file extension used to look for mapping files under
*
* @param string $fileExtension The file extension to set
* @return void
*/
public function setFileExtension($fileExtension)
{
$this->_fileExtension = $fileExtension;
}
/**
* Get the element of schema meta data for the class from the mapping file.
* This will lazily load the mapping file if it is not loaded yet
*
* @return array $element The element of schema meta data
*/
public function getElement($className)
{
$result = $this->_loadMappingFile($this->_findMappingFile($className));
return $result[$className];
}
/**
* Whether the class with the specified name should have its metadata loaded.
* This is only the case if it is either mapped as an Entity or a
* MappedSuperclass.
*
* @param string $className
* @return boolean
*/
public function isTransient($className)
{
$fileName = str_replace('\\', '.', $className) . $this->_fileExtension;
// Check whether file exists
foreach ((array) $this->_paths as $path) {
if (file_exists($path . DIRECTORY_SEPARATOR . $fileName)) {
return false;
}
}
return true;
}
/**
* Gets the names of all mapped classes known to this driver.
*
* @return array The names of all mapped classes known to this driver.
*/
public function getAllClassNames()
{
$classes = array();
if ($this->_paths) {
foreach ((array) $this->_paths as $path) {
if ( ! is_dir($path)) {
throw MappingException::driverRequiresConfiguredDirectoryPath();
}
$iterator = new \RecursiveIteratorIterator(
new \RecursiveDirectoryIterator($path),
\RecursiveIteratorIterator::LEAVES_ONLY
);
foreach ($iterator as $file) {
if (($fileName = $file->getBasename($this->_fileExtension)) == $file->getBasename()) {
continue;
}
// NOTE: All files found here means classes are not transient!
$classes[] = str_replace('.', '\\', $fileName);
}
}
}
return $classes;
}
/**
* Finds the mapping file for the class with the given name by searching
* through the configured paths.
*
* @param $className
* @return string The (absolute) file name.
* @throws MappingException
*/
protected function _findMappingFile($className)
{
$fileName = str_replace('\\', '.', $className) . $this->_fileExtension;
// Check whether file exists
foreach ((array) $this->_paths as $path) {
if (file_exists($path . DIRECTORY_SEPARATOR . $fileName)) {
return $path . DIRECTORY_SEPARATOR . $fileName;
}
}
throw MappingException::mappingFileNotFound($className);
}
/**
* Loads a mapping file with the given name and returns a map
* from class/entity names to their corresponding elements.
*
* @param string $file The mapping file to load.
* @return array
*/
abstract protected function _loadMappingFile($file);
}