Merge pull request #19 from cron-eu/feature-datetime-datatype

FEATURE Implemented Date DataType

Classes/Ttree/ContentRepositoryImporter/DataType/Date.php

@@ -0,0 +1,60 @@
+<?php
+namespace Ttree\ContentRepositoryImporter\DataType;
+
+/*                                                                                  *
+ * This script belongs to the TYPO3 Flow package "Ttree.ContentRepositoryImporter". *
+ *                                                                                  */
+
+use TYPO3\Flow\Annotations as Flow;
+
+/**
+ * Date Data Type
+ */
+class Date extends DataType
+{
+
+    protected function initializeValue($value)
+    {
+        if ($value instanceof \DateTimeInterface) {
+            // $value is already a DateTime object, use it directly
+            $this->value = clone $value;
+        } elseif (is_numeric($value)) {
+            // $value is UNIX timestamp
+            if ($timestamp = (int)$value) {
+                $this->value = new \DateTime();
+                $this->value->setTimestamp($timestamp);
+            } else {
+                $this->value = null;
+            }
+        } elseif (is_string($value)) {
+            // fallback, try to parse $value as a date string
+            $this->value = new \DateTime($value);
+        } else {
+            throw new \Exception(sprintf('Cannot convert %s to a DateTime object', $value));
+        }
+    }
+
+    /**
+     * Initialize a date value from input
+     *
+     * Input value can be a date/time string, parsable by the PHP DateTime class,
+     * or a numeric value (int or string), which then will be interpreted as a UNIX
+     * timestamp in the local configured TZ.
+     *
+     */
+    public static function create($value)
+    {
+        return parent::create($value);
+    }
+
+    /**
+     * Gets the DateTime value or null, if the datetime was initialized from null or
+     * an empty timestamp.
+     *
+     * @return \DateTime | null
+     */
+    public function getValue()
+    {
+        return parent::getValue();
+    }
+}