From: Roland Häder <roland@mxchange.org>
Date: Sat, 21 Jan 2023 09:02:55 +0000 (+0100)
Subject: Please cherry-pick:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=c4b08d502761a95893a4a84db9030e907be507b8;p=addressbook-war.git

Please cherry-pick:
- "validate" parameter, e.g. where you don't want null references, then check if
  it is null to prevent possible logic errors and maybe here a wrong/misleading
  result
---

diff --git a/src/java/org/mxchange/addressbook/beans/contact/list/AddressbookContactListWebViewBean.java b/src/java/org/mxchange/addressbook/beans/contact/list/AddressbookContactListWebViewBean.java
index d3bc4338..1c95619b 100644
--- a/src/java/org/mxchange/addressbook/beans/contact/list/AddressbookContactListWebViewBean.java
+++ b/src/java/org/mxchange/addressbook/beans/contact/list/AddressbookContactListWebViewBean.java
@@ -511,6 +511,12 @@ public class AddressbookContactListWebViewBean extends BaseAddressbookBean imple
 
 	@Override
 	public boolean isContactFound (final Contact contact) {
+		// Validate parameter
+		if (null == contact) {
+			// Throw NPE
+			throw new NullPointerException("Parameter 'contact' is null"); //NOI18N
+		}
+
 		// Default is not found
 		boolean IsFound = false;