BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

spring-5-security/src/main/java/com/baeldung/loginextrafieldssimple/User.java

@@ -0,0 +1,21 @@
+package com.baeldung.loginextrafieldssimple;
+
+import java.util.Collection;
+
+import org.springframework.security.core.GrantedAuthority;
+
+public class User extends org.springframework.security.core.userdetails.User {
+
+    private String domain;
+
+    public User(String username, String domain, String password, boolean enabled, 
+        boolean accountNonExpired, boolean credentialsNonExpired, 
+        boolean accountNonLocked, Collection<? extends GrantedAuthority> authorities) {
+        super(username, password, enabled, accountNonExpired, credentialsNonExpired, accountNonLocked, authorities);
+        this.domain = domain;
+    }
+
+    public String getDomain() {
+        return domain;
+    }
+}