Added check for parameter, to make sure only valid can pass

Signed-off-by: Roland Häder <roland@mxchange.org>

diff --git a/src/java/org/mxchange/jjobs/beans/user/JobsAdminUserWebSessionBean.java b/src/java/org/mxchange/jjobs/beans/user/JobsAdminUserWebSessionBean.java
index 3714d194314db290eced9fdb6925dec406d32caa..2060923a7d617b22a0a83bbced05728469866acd 100644 (file)
--- a/src/java/org/mxchange/jjobs/beans/user/JobsAdminUserWebSessionBean.java
+++ b/src/java/org/mxchange/jjobs/beans/user/JobsAdminUserWebSessionBean.java
@@ -601,6 +601,14 @@ public class JobsAdminUserWebSessionBean implements JobsAdminUserWebSessionContr
 
        @Override
        public User lookupUserById (final Long userId) throws UserNotFoundException {
+               if (null == userId) {
+                       // Throw NPE
+                       throw new NullPointerException("userId is null"); //NOI18N
+               } else if (userId < 1) {
+                       // Not valid
+                       throw new IllegalArgumentException(MessageFormat.format("userId={0} is not valid.", userId)); //NOI18N
+               }
+
                // Init variable
                User user = null;