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doctrine2/lib/Doctrine/ORM/Tools/ClassMetadataReader.php

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<?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\Tools;
use Doctrine\ORM\Mapping\ClassMetadataInfo,
Doctrine\ORM\Mapping\ClassMetadata,
Doctrine\ORM\Mapping\MappingException,
Doctrine\ORM\Mapping\Driver\Driver,
Doctrine\ORM\Mapping\Driver\AnnotationDriver,
Doctrine\ORM\EntityManager;
/**
* Class to read metadata mapping information from multiple sources into an array
* of ClassMetadataInfo instances.
*
* The difference between this class and the ClassMetadataFactory is that this
* is just a tool for reading in the mapping information from files without
* having it bound to the actual ORM and the mapping information referenced by
* the EntityManager. This allows us to read any source of mapping information
* and return a single array of aggregated ClassMetadataInfo instances.
*
* These arrays are used for exporting the mapping information to the supported
* mapping drivers, generating entities, generating repositories, etc.
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 2.0
* @version $Revision$
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class ClassMetadataReader
{
private static $_mappingDrivers = array(
'annotation' => 'Doctrine\ORM\Mapping\Driver\AnnotationDriver',
'yaml' => 'Doctrine\ORM\Mapping\Driver\YamlDriver',
'yml' => 'Doctrine\ORM\Mapping\Driver\YamlDriver',
'xml' => 'Doctrine\ORM\Mapping\Driver\XmlDriver',
'php' => 'Doctrine\ORM\Mapping\Driver\PhpDriver',
'database' => 'Doctrine\ORM\Mapping\Driver\DatabaseDriver'
);
private $_mappingSources = array();
private $_em;
/**
* Register a new mapping driver class under a specified name
*
* @param string $name
* @param string $class
*/
public static function registerMappingDriver($name, $class)
{
self::$_mappingDrivers[$name] = $class;
}
/**
* Optionally set the EntityManager instance to get the AnnotationDriver
* from instead of creating a new instance of the AnnotationDriver
*
* @param EntityManager $em
* @return void
*/
public function setEntityManager(EntityManager $em)
{
$this->_em = $em;
}
/**
* Get an array of ClassMetadataInfo instances for all the configured mapping
* directories. Reads the mapping directories and populates ClassMetadataInfo
* instances.
*
* @return array $classes
*/
public function getMetadatas()
{
$classes = array();
foreach ($this->_mappingSources as $d) {
list($source, $driver) = $d;
$allClasses = $driver->getAllClassNames();
foreach ($allClasses as $className) {
if (class_exists($className, false)) {
$metadata = new ClassMetadata($className);
} else {
$metadata = new ClassMetadataInfo($className);
}
$driver->loadMetadataForClass($className, $metadata);
if ( ! $metadata->isMappedSuperclass) {
$classes[$metadata->name] = $metadata;
}
}
}
return $classes;
}
/**
* Add a new mapping directory to the array of directories to convert and export
* to another format
*
* @param string $source The source for the mapping
* @param string $type The type of mapping files (yml, xml, etc.)
* @return void
*/
public function addMappingSource($source, $type = null)
{
if ($type === null) {
$type = $this->_determineSourceType($source);
}
if ( ! isset(self::$_mappingDrivers[$type])) {
throw ExportException::invalidMappingDriverType($type);
}
$source = $this->_getSourceByType($type, $source);
$driver = $this->_getMappingDriver($type, $source);
$this->_mappingSources[] = array($source, $driver);
}
/**
* Get an instance of a mapping driver
*
* @param string $type The type of mapping driver (yaml, xml, annotation, etc.)
* @param string $source The source for the driver
* @return AbstractDriver $driver
*/
private function _getMappingDriver($type, $source = null)
{
if ($source instanceof \Doctrine\ORM\Mapping\Driver\Driver) {
return $source;
}
if ( ! isset(self::$_mappingDrivers[$type])) {
return false;
}
$class = self::$_mappingDrivers[$type];
if (is_subclass_of($class, 'Doctrine\ORM\Mapping\Driver\AbstractFileDriver')) {
if (is_null($source)) {
throw MappingException::fileMappingDriversRequireConfiguredDirectoryPath();
}
$driver = new $class($source);
} else if ($class == 'Doctrine\ORM\Mapping\Driver\AnnotationDriver') {
$reader = new \Doctrine\Common\Annotations\AnnotationReader(new \Doctrine\Common\Cache\ArrayCache);
$reader->setDefaultAnnotationNamespace('Doctrine\ORM\Mapping\\');
$driver = new \Doctrine\ORM\Mapping\Driver\AnnotationDriver($reader, $source);
} else {
$driver = new $class($source);
}
return $driver;
}
private function _determineSourceType($source)
{
// If the --from=<VALUE> is a directory lets determine if it is
// annotations, yaml, xml, etc.
if (is_dir($source)) {
$source = realpath($source);
// Find the files in the directory
$files = glob($source . '/*.*');
if ( ! $files) {
throw new \InvalidArgumentException(
sprintf('No mapping files found in "%s"', $source)
);
}
// Get the contents of the first file
$contents = file_get_contents($files[0]);
// Check if it has a class definition in it for annotations
if (preg_match("/class (.*)/", $contents)) {
return 'annotation';
// Otherwise lets determine the type based on the extension of the
// first file in the directory (yml, xml, etc)
} else {
$info = pathinfo($files[0]);
return $info['extension'];
}
// Nothing special for database
} else if ($source == 'database') {
return 'database';
}
}
private function _getSourceByType($type, $source)
{
$source = realpath($source);
// If --from==database then the source is an instance of SchemaManager
// for the current EntityMAnager
if ($type == 'database' && $this->_em) {
return $this->_em->getConnection()->getSchemaManager();
// If source is annotation then lets try and find the existing annotation
// driver for the source instead of re-creating a new instance
} else if ($type == 'annotation') {
if ($this->_em) {
$metadataDriverImpl = $this->_em->getConfiguration()->getMetadataDriverImpl();
// Find the annotation driver in the chain of drivers
if ($metadataDriverImpl instanceof DriverChain) {
foreach ($metadataDriverImpl->getDrivers() as $namespace => $driver) {
if ($this->_isAnnotationDriverForPath($driver, $source)) {
return $driver;
}
}
} else if ($this->_isAnnotationDriverForPath($metadataDriverImpl, $source)) {
return $metadataDriverImpl;
} else if ($metadataDriverImpl instanceof AnnotationDriver) {
$metadataDriverImpl->addPaths(array($source));
return $metadataDriverImpl;
} else {
return $source;
}
} else {
return $source;
}
} else {
return $source;
}
}
/**
* Check to see if the given metadata driver is the annotation driver for the
* given directory path
*
* @param Driver $driver
* @param string $path
* @return boolean
*/
private function _isAnnotationDriverForPath(Driver $driver, $path)
{
if ( ! $driver instanceof AnnotationDriver) {
return false;
}
if (in_array(realpath($path), $driver->getPaths())) {
return true;
} else {
return false;
}
}
}