1 files changed, 116 insertions, 0 deletions
diff --git a/Postman/Postman-Mail/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Header.php b/Postman/Postman-Mail/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Header.php
new file mode 100644
index 0000000..aa901cf
--- /dev/null
+++ b/Postman/Postman-Mail/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Header.php
@@ -0,0 +1,116 @@
+<?php
+/**
+ * This helper builds the Header object for a /mail/send API call
+ *
+ * PHP Version - 5.6, 7.0, 7.1, 7.2
+ *
+ * @package   SendGrid\Mail
+ * @author    Elmer Thomas <dx@sendgrid.com>
+ * @copyright 2018-19 Twilio SendGrid
+ * @license   https://opensource.org/licenses/MIT The MIT License
+ * @version   GIT: <git_id>
+ * @link      http://packagist.org/packages/sendgrid/sendgrid
+ */
+
+namespace SendGrid\Mail;
+
+/**
+ * This class is used to construct a Header object for the /mail/send API call
+ *
+ * An object containing key/value pairs of header names and the value to substitute
+ * for them. You must ensure these are properly encoded if they contain unicode
+ * characters. Must not be one of the reserved headers
+ *
+ * @package SendGrid\Mail
+ */
+class Header implements \JsonSerializable
+{
+    /** @var $key string Header key */
+    private $key;
+    /** @var $value string Header value */
+    private $value;
+
+    /**
+     * Optional constructor
+     *
+     * @param string|null $key Header key
+     * @param string|null $value Header value
+     */
+    public function __construct($key = null, $value = null)
+    {
+        if (isset($key)) {
+            $this->setKey($key);
+        }
+        if (isset($value)) {
+            $this->setValue($value);
+        }
+    }
+
+    /**
+     * Add the key on a Header object
+     *
+     * @param string $key Header key
+     * 
+     * @throws TypeException
+     */ 
+    public function setKey($key)
+    {
+        if (!is_string($key)) {
+            throw new TypeException('$key must be of type string.');
+        }
+        $this->key = $key;
+    }
+
+    /**
+     * Retrieve the key from a Header object
+     *
+     * @return string
+     */
+    public function getKey()
+    {
+        return $this->key;
+    }
+
+    /**
+     * Add the value on a Header object
+     *
+     * @param string $value Header value
+     * 
+     * @throws TypeException
+     */ 
+    public function setValue($value)
+    {
+        if (!is_string($value)) {
+            throw new TypeException('$value must be of type string.');
+        }
+        $this->value = $value;
+    }
+
+    /**
+     * Retrieve the value from a Header object
+     *
+     * @return string
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /**
+     * Return an array representing a Header object for the Twilio SendGrid API
+     *
+     * @return null|array
+     */
+    public function jsonSerialize()
+    {
+        return array_filter(
+            [
+                'key' => $this->getKey(),
+                'value' => $this->getValue()
+            ],
+            function ($value) {
+                return $value !== null;
+            }
+        ) ?: null;
+    }
+}