1 /* 2 * Copyright 2023 Code Intelligence GmbH 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.el; 18 19 import java.lang.annotation.ElementType; 20 import java.lang.annotation.Retention; 21 import java.lang.annotation.RetentionPolicy; 22 import java.lang.annotation.Target; 23 import javax.validation.Constraint; 24 import javax.validation.Payload; 25 26 public class UserData { UserData(String email)27 public UserData(String email) { 28 this.email = email; 29 } 30 31 @ValidEmailConstraint private String email; 32 } 33 34 @Constraint(validatedBy = InsecureEmailValidator.class) 35 @Target({ElementType.METHOD, ElementType.FIELD}) 36 @Retention(RetentionPolicy.RUNTIME) 37 @interface ValidEmailConstraint { message()38 String message() default "Invalid email address"; groups()39 Class<?>[] groups() default {}; payload()40 Class<? extends Payload>[] payload() default {}; 41 } 42