vendor/doctrine/lib/Doctrine/ORM/Mapping/Driver/AbstractFileDriver.php
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     1 <?php
       
     2 /*
       
     3  *  $Id$
       
     4  *
       
     5  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
       
     6  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
       
     7  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
       
     8  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
       
     9  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
       
    10  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
       
    11  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
       
    12  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
       
    13  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
       
    14  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
       
    15  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
       
    16  *
       
    17  * This software consists of voluntary contributions made by many individuals
       
    18  * and is licensed under the LGPL. For more information, see
       
    19  * <http://www.doctrine-project.org>.
       
    20  */
       
    21 
       
    22 namespace Doctrine\ORM\Mapping\Driver;
       
    23 
       
    24 use Doctrine\ORM\Mapping\MappingException;
       
    25 
       
    26 /**
       
    27  * Base driver for file-based metadata drivers.
       
    28  * 
       
    29  * A file driver operates in a mode where it loads the mapping files of individual
       
    30  * classes on demand. This requires the user to adhere to the convention of 1 mapping
       
    31  * file per class and the file names of the mapping files must correspond to the full
       
    32  * class name, including namespace, with the namespace delimiters '\', replaced by dots '.'.
       
    33  *
       
    34  * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
       
    35  * @link        www.doctrine-project.com
       
    36  * @since       2.0
       
    37  * @version     $Revision$
       
    38  * @author		Benjamin Eberlei <kontakt@beberlei.de>
       
    39  * @author		Guilherme Blanco <guilhermeblanco@hotmail.com>
       
    40  * @author      Jonathan H. Wage <jonwage@gmail.com>
       
    41  * @author      Roman Borschel <roman@code-factory.org>
       
    42  */
       
    43 abstract class AbstractFileDriver implements Driver
       
    44 {
       
    45     /**
       
    46      * The paths where to look for mapping files.
       
    47      *
       
    48      * @var array
       
    49      */
       
    50     protected $_paths = array();
       
    51 
       
    52     /**
       
    53      * The file extension of mapping documents.
       
    54      *
       
    55      * @var string
       
    56      */
       
    57     protected $_fileExtension;
       
    58 
       
    59     /** 
       
    60      * Initializes a new FileDriver that looks in the given path(s) for mapping 
       
    61      * documents and operates in the specified operating mode. 
       
    62      *  
       
    63      * @param string|array $paths One or multiple paths where mapping documents can be found. 
       
    64      */ 
       
    65     public function __construct($paths) 
       
    66     { 
       
    67         $this->addPaths((array) $paths);
       
    68     } 
       
    69 
       
    70     /**
       
    71      * Append lookup paths to metadata driver.
       
    72      *
       
    73      * @param array $paths
       
    74      */
       
    75     public function addPaths(array $paths)
       
    76     {
       
    77         $this->_paths = array_unique(array_merge($this->_paths, $paths));
       
    78     }
       
    79 
       
    80     /**
       
    81      * Retrieve the defined metadata lookup paths.
       
    82      *
       
    83      * @return array
       
    84      */
       
    85     public function getPaths()
       
    86     {
       
    87         return $this->_paths;
       
    88     }
       
    89 
       
    90     /**
       
    91      * Get the file extension used to look for mapping files under
       
    92      *
       
    93      * @return void
       
    94      */
       
    95     public function getFileExtension()
       
    96     {
       
    97         return $this->_fileExtension;
       
    98     }
       
    99 
       
   100     /**
       
   101      * Set the file extension used to look for mapping files under
       
   102      *
       
   103      * @param string $fileExtension The file extension to set
       
   104      * @return void
       
   105      */
       
   106     public function setFileExtension($fileExtension)
       
   107     {
       
   108         $this->_fileExtension = $fileExtension;
       
   109     }
       
   110 
       
   111     /**
       
   112      * Get the element of schema meta data for the class from the mapping file.
       
   113      * This will lazily load the mapping file if it is not loaded yet
       
   114      *
       
   115      * @return array $element  The element of schema meta data
       
   116      */
       
   117     public function getElement($className)
       
   118     {
       
   119         $result = $this->_loadMappingFile($this->_findMappingFile($className));
       
   120         
       
   121         return $result[$className];
       
   122     }
       
   123 
       
   124     /**
       
   125      * Whether the class with the specified name should have its metadata loaded.
       
   126      * This is only the case if it is either mapped as an Entity or a
       
   127      * MappedSuperclass.
       
   128      *
       
   129      * @param string $className
       
   130      * @return boolean
       
   131      */
       
   132     public function isTransient($className)
       
   133     {
       
   134         $fileName = str_replace('\\', '.', $className) . $this->_fileExtension;
       
   135 
       
   136         // Check whether file exists
       
   137         foreach ((array) $this->_paths as $path) {
       
   138             if (file_exists($path . DIRECTORY_SEPARATOR . $fileName)) {
       
   139                 return false;
       
   140             }
       
   141         }
       
   142 
       
   143         return true;
       
   144     }
       
   145 
       
   146     /**
       
   147      * Gets the names of all mapped classes known to this driver.
       
   148      * 
       
   149      * @return array The names of all mapped classes known to this driver.
       
   150      */
       
   151     public function getAllClassNames()
       
   152     {
       
   153         $classes = array();
       
   154 
       
   155         if ($this->_paths) {
       
   156             foreach ((array) $this->_paths as $path) {
       
   157                 if ( ! is_dir($path)) {
       
   158                     throw MappingException::fileMappingDriversRequireConfiguredDirectoryPath($path);
       
   159                 }
       
   160             
       
   161                 $iterator = new \RecursiveIteratorIterator(
       
   162                     new \RecursiveDirectoryIterator($path),
       
   163                     \RecursiveIteratorIterator::LEAVES_ONLY
       
   164                 );
       
   165         
       
   166                 foreach ($iterator as $file) {
       
   167                     if (($fileName = $file->getBasename($this->_fileExtension)) == $file->getBasename()) {
       
   168                         continue;
       
   169                     }
       
   170                     
       
   171                     // NOTE: All files found here means classes are not transient!
       
   172                     $classes[] = str_replace('.', '\\', $fileName);
       
   173                 }
       
   174             }
       
   175         }
       
   176         
       
   177         return $classes;
       
   178     }
       
   179 
       
   180     /**
       
   181      * Finds the mapping file for the class with the given name by searching
       
   182      * through the configured paths.
       
   183      *
       
   184      * @param $className
       
   185      * @return string The (absolute) file name.
       
   186      * @throws MappingException
       
   187      */
       
   188     protected function _findMappingFile($className)
       
   189     {
       
   190         $fileName = str_replace('\\', '.', $className) . $this->_fileExtension;
       
   191         
       
   192         // Check whether file exists
       
   193         foreach ((array) $this->_paths as $path) {
       
   194             if (file_exists($path . DIRECTORY_SEPARATOR . $fileName)) {
       
   195                 return $path . DIRECTORY_SEPARATOR . $fileName;
       
   196             }
       
   197         }
       
   198 
       
   199         throw MappingException::mappingFileNotFound($className, $fileName);
       
   200     }
       
   201 
       
   202     /**
       
   203      * Loads a mapping file with the given name and returns a map
       
   204      * from class/entity names to their corresponding elements.
       
   205      * 
       
   206      * @param string $file The mapping file to load.
       
   207      * @return array
       
   208      */
       
   209     abstract protected function _loadMappingFile($file);
       
   210 }