Actualización

vendor/sonata-project/core-bundle/Exporter/Exporter.php

@@ -0,0 +1,78 @@
+<?php
+
+/*
+ * This file is part of the Sonata Project package.
+ *
+ * (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Sonata\CoreBundle\Exporter;
+
+use Exporter\Source\SourceIteratorInterface;
+use Exporter\Writer\CsvWriter;
+use Exporter\Writer\JsonWriter;
+use Exporter\Writer\XlsWriter;
+use Exporter\Writer\XmlWriter;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+@trigger_error(
+    'The '.__NAMESPACE__.'\Exporter class is deprecated since version 3.1 and will be removed in 4.0.'.
+    ' Use Exporter\Exporter instead',
+    E_USER_DEPRECATED
+);
+
+/**
+ * NEXT_MAJOR: remove this class, and the dev dependency.
+ */
+class Exporter
+{
+    /**
+     * @throws \RuntimeException
+     *
+     * @param string                  $format
+     * @param string                  $filename
+     * @param SourceIteratorInterface $source
+     *
+     * @return StreamedResponse
+     */
+    public function getResponse($format, $filename, SourceIteratorInterface $source)
+    {
+        switch ($format) {
+            case 'xls':
+                $writer = new XlsWriter('php://output');
+                $contentType = 'application/vnd.ms-excel';
+
+                break;
+            case 'xml':
+                $writer = new XmlWriter('php://output');
+                $contentType = 'text/xml';
+
+                break;
+            case 'json':
+                $writer = new JsonWriter('php://output');
+                $contentType = 'application/json';
+
+                break;
+            case 'csv':
+                $writer = new CsvWriter('php://output', ',', '"', '', true, true);
+                $contentType = 'text/csv';
+
+                break;
+            default:
+                throw new \RuntimeException('Invalid format');
+        }
+
+        $callback = function () use ($source, $writer) {
+            $handler = \Exporter\Handler::create($source, $writer);
+            $handler->export();
+        };
+
+        return new StreamedResponse($callback, 200, array(
+            'Content-Type' => $contentType,
+            'Content-Disposition' => sprintf('attachment; filename="%s"', $filename),
+        ));
+    }
+}