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vendor/miljar/php-exif/lib/PHPExif/Reader/Reader.php

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+<?php
+/**
+ * PHP Exif Reader: Reads EXIF metadata from a file
+ *
+ * @link        http://github.com/miljar/PHPExif for the canonical source repository
+ * @copyright   Copyright (c) 2013 Tom Van Herreweghe <tom@theanalogguy.be>
+ * @license     http://github.com/miljar/PHPExif/blob/master/LICENSE MIT License
+ * @category    PHPExif
+ * @package     Reader
+ */
+
+namespace PHPExif\Reader;
+
+use PHPExif\Adapter\AdapterInterface;
+use PHPExif\Adapter\NoAdapterException;
+use PHPExif\Adapter\Exiftool as ExiftoolAdapter;
+use PHPExif\Adapter\Native as NativeAdapter;
+
+/**
+ * PHP Exif Reader
+ *
+ * Responsible for all the read operations on a file's EXIF metadata
+ *
+ * @category    PHPExif
+ * @package     Reader
+ * @
+ */
+class Reader implements ReaderInterface
+{
+    const TYPE_NATIVE   = 'native';
+    const TYPE_EXIFTOOL = 'exiftool';
+
+    /**
+     * The current adapter
+     *
+     * @var \PHPExif\Adapter\AdapterInterface
+     */
+    protected $adapter;
+
+    /**
+     * Reader constructor
+     *
+     * @param \PHPExif\Adapter\AdapterInterface $adapter
+     */
+    public function __construct(AdapterInterface $adapter)
+    {
+        $this->adapter = $adapter;
+    }
+
+    /**
+     * Getter for the reader adapter
+     *
+     * @return \PHPExif\Adapter\AdapterInterface
+     * @throws NoAdapterException When no adapter is set
+     */
+    public function getAdapter()
+    {
+        if (empty($this->adapter)) {
+            throw new NoAdapterException('No adapter set in the reader');
+        }
+
+        return $this->adapter;
+    }
+
+    /**
+     * Factory for the reader
+     *
+     * @param string $type
+     * @return $this
+     * @throws \InvalidArgumentException When given type is invalid
+     */
+    public static function factory($type)
+    {
+        $classname = get_called_class();
+        switch ($type) {
+            case self::TYPE_NATIVE:
+                $adapter = new NativeAdapter();
+                break;
+            case self::TYPE_EXIFTOOL:
+                $adapter = new ExiftoolAdapter();
+                break;
+            default:
+                throw new \InvalidArgumentException(
+                    sprintf('Unknown type "%1$s"', $type)
+                );
+        }
+        return new $classname($adapter);
+    }
+
+    /**
+     * Reads & parses the EXIF data from given file
+     *
+     * @param string $file
+     * @return \PHPExif\Exif Instance of Exif object with data
+     */
+    public function read($file)
+    {
+        return $this->getAdapter()->getExifFromFile($file);
+    }
+
+    /**
+     * alias to read method
+     *
+     * @param string $file
+     * @return \PHPExif\Exif Instance of Exif object with data
+     */
+    public function getExifFromFile($file)
+    {
+        return $this->read($file);
+    }
+}

vendor/miljar/php-exif/lib/PHPExif/Reader/ReaderInterface.php

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+<?php
+/**
+ * PHP Exif Reader Interface: Defines the interface for
+ * the Reader functionality
+ *
+ * @link        http://github.com/miljar/PHPExif for the canonical source repository
+ * @copyright   Copyright (c) 2015 Tom Van Herreweghe <tom@theanalogguy.be>
+ * @license     http://github.com/miljar/PHPExif/blob/master/LICENSE MIT License
+ * @category    PHPExif
+ * @package     Reader
+ * @codeCoverageIgnore
+ */
+
+namespace PHPExif\Reader;
+
+/**
+ * PHP Exif Reader
+ *
+ * Defines the interface for reader functionality
+ *
+ * @category    PHPExif
+ * @package     Reader
+ */
+interface ReaderInterface
+{
+    /**
+     * Reads & parses the EXIF data from given file
+     *
+     * @param string $file
+     * @return \PHPExif\Exif Instance of Exif object with data
+     */
+    public function read($file);
+}