diff -r 30b840ed8c0e -r 822b7e3d064d src/main/java/de/uapcore/lightpit/entities/User.java
--- a/src/main/java/de/uapcore/lightpit/entities/User.java	Fri Oct 23 18:40:50 2020 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,115 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2018 Mike Becker. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *   1. Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *
- *   2. Redistributions in binary form must reproduce the above copyright
- *      notice, this list of conditions and the following disclaimer in the
- *      documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- */
-package de.uapcore.lightpit.entities;
-
-import java.util.Objects;
-
-public final class User {
-
-    public static final int ANONYMOUS_USERID = -1;
-
-    private final int id;
-    private String username;
-    private String mail;
-    private String givenname;
-    private String lastname;
-
-    public User(int id) {
-        this.id = id;
-    }
-
-    public int getId() {
-        return id;
-    }
-
-    public String getUsername() {
-        return username;
-    }
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-
-    public String getMail() {
-        return mail;
-    }
-
-    public void setMail(String mail) {
-        this.mail = mail;
-    }
-
-    public String getGivenname() {
-        return givenname;
-    }
-
-    public void setGivenname(String givenname) {
-        this.givenname = givenname;
-    }
-
-    public String getLastname() {
-        return lastname;
-    }
-
-    public void setLastname(String lastname) {
-        this.lastname = lastname;
-    }
-
-    public String getShortDisplayname() {
-        StringBuilder dn = new StringBuilder();
-        if (givenname != null)
-            dn.append(givenname);
-        dn.append(' ');
-        if (lastname != null)
-            dn.append(lastname);
-        final var str = dn.toString().trim();
-        return str.isBlank() ? username : str;
-    }
-
-    public String getDisplayname() {
-        final String sdn = getShortDisplayname();
-        if (mail != null && !mail.isBlank()) {
-            return sdn + " <" + mail + ">";
-        } else {
-            return sdn;
-        }
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-        User user = (User) o;
-        return id == user.id;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id);
-    }
-}