--- /dev/null
+<?php
+/*
+ * 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 MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Persistence\Mapping\Driver;
+
+use Doctrine\Common\Persistence\Mapping\MappingException;
+
+/**
+ * Locates the file that contains the metadata information for a given class name.
+ *
+ * This behavior is independent of the actual content of the file. It just detects
+ * the file which is responsible for the given class name.
+ *
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class DefaultFileLocator implements FileLocator
+{
+ /**
+ * The paths where to look for mapping files.
+ *
+ * @var array
+ */
+ protected $paths = [];
+
+ /**
+ * The file extension of mapping documents.
+ *
+ * @var string|null
+ */
+ 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.
+ * @param string|null $fileExtension The file extension of mapping documents, usually prefixed with a dot.
+ */
+ public function __construct($paths, $fileExtension = null)
+ {
+ $this->addPaths((array) $paths);
+ $this->fileExtension = $fileExtension;
+ }
+
+ /**
+ * Appends lookup paths to metadata driver.
+ *
+ * @param array $paths
+ *
+ * @return void
+ */
+ public function addPaths(array $paths)
+ {
+ $this->paths = array_unique(array_merge($this->paths, $paths));
+ }
+
+ /**
+ * Retrieves the defined metadata lookup paths.
+ *
+ * @return array
+ */
+ public function getPaths()
+ {
+ return $this->paths;
+ }
+
+ /**
+ * Gets the file extension used to look for mapping files under.
+ *
+ * @return string|null
+ */
+ public function getFileExtension()
+ {
+ return $this->fileExtension;
+ }
+
+ /**
+ * Sets the file extension used to look for mapping files under.
+ *
+ * @param string|null $fileExtension The file extension to set.
+ *
+ * @return void
+ */
+ public function setFileExtension($fileExtension)
+ {
+ $this->fileExtension = $fileExtension;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public function findMappingFile($className)
+ {
+ $fileName = str_replace('\\', '.', $className) . $this->fileExtension;
+
+ // Check whether file exists
+ foreach ($this->paths as $path) {
+ if (is_file($path . DIRECTORY_SEPARATOR . $fileName)) {
+ return $path . DIRECTORY_SEPARATOR . $fileName;
+ }
+ }
+
+ throw MappingException::mappingFileNotFound($className, $fileName);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public function getAllClassNames($globalBasename)
+ {
+ $classes = [];
+
+ if ($this->paths) {
+ foreach ($this->paths as $path) {
+ if ( ! is_dir($path)) {
+ throw MappingException::fileMappingDriversRequireConfiguredDirectoryPath($path);
+ }
+
+ $iterator = new \RecursiveIteratorIterator(
+ new \RecursiveDirectoryIterator($path),
+ \RecursiveIteratorIterator::LEAVES_ONLY
+ );
+
+ foreach ($iterator as $file) {
+ $fileName = $file->getBasename($this->fileExtension);
+
+ if ($fileName == $file->getBasename() || $fileName == $globalBasename) {
+ continue;
+ }
+
+ // NOTE: All files found here means classes are not transient!
+ $classes[] = str_replace('.', '\\', $fileName);
+ }
+ }
+ }
+
+ return $classes;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public function fileExists($className)
+ {
+ $fileName = str_replace('\\', '.', $className) . $this->fileExtension;
+
+ // Check whether file exists
+ foreach ((array) $this->paths as $path) {
+ if (is_file($path . DIRECTORY_SEPARATOR . $fileName)) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+}