From c29b94e2f94c598644658ac57cd91ad91160a405 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Roland=20H=C3=A4der?= <roland@mxchange.org>
Date: Thu, 21 Apr 2016 14:39:22 +0200
Subject: [PATCH] check on user instance

---
 src/org/mxchange/jcontacts/contact/UserContact.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/org/mxchange/jcontacts/contact/UserContact.java b/src/org/mxchange/jcontacts/contact/UserContact.java
index 0f4beec..b176ccf 100644
--- a/src/org/mxchange/jcontacts/contact/UserContact.java
+++ b/src/org/mxchange/jcontacts/contact/UserContact.java
@@ -248,6 +248,12 @@ public class UserContact implements Contact {
 
 	@Override
 	public void copyAll (final Contact contact) {
+		// Contact should be valid
+		if (null == contact) {
+			// Throw NPE
+			throw new NullPointerException("contact is null"); //NOI18N
+		}
+
 		// Copy all:
 		// - base data
 		this.setContactFirstName(contact.getContactFirstName());
-- 
2.39.5