From 6effca3389118db216a1c37214cb39efbd756535 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Jou=C3=9Fen?= <tjoussen@databay.de>
Date: Mon, 9 Jul 2018 15:42:55 +0200
Subject: [PATCH] Introduced class utils to collect general reusable functions

---
 .../java/io/openvidu/server/core/Utils.java   | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 openvidu-server/src/main/java/io/openvidu/server/core/Utils.java

diff --git a/openvidu-server/src/main/java/io/openvidu/server/core/Utils.java b/openvidu-server/src/main/java/io/openvidu/server/core/Utils.java
new file mode 100644
index 00000000..fbaf6f0c
--- /dev/null
+++ b/openvidu-server/src/main/java/io/openvidu/server/core/Utils.java
@@ -0,0 +1,24 @@
+package io.openvidu.server.core;
+
+import org.apache.commons.lang3.RandomStringUtils;
+
+public class Utils {
+
+    /**
+     * Generate a random alpha numeric key chain
+     * @return
+     */
+    public String generateRandomChain() {
+        return RandomStringUtils.randomAlphanumeric(16).toLowerCase();
+    }
+
+    /**
+     * Check that the metadata only has a max length of 10000 chars.
+     *
+     * @param metadata
+     * @return
+     */
+    public boolean isMetadataFormatCorrect(String metadata) {
+        return (metadata.length() <= 10000);
+    }
+}