| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.validation.example.client; |
| |
| import static java.lang.annotation.ElementType.ANNOTATION_TYPE; |
| import static java.lang.annotation.ElementType.CONSTRUCTOR; |
| import static java.lang.annotation.ElementType.FIELD; |
| import static java.lang.annotation.ElementType.METHOD; |
| import static java.lang.annotation.ElementType.PARAMETER; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| |
| import java.lang.annotation.Documented; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| import javax.validation.Constraint; |
| import javax.validation.ConstraintValidator; |
| import javax.validation.ConstraintValidatorContext; |
| import javax.validation.Payload; |
| import javax.validation.ReportAsSingleViolation; |
| import javax.validation.constraints.NotNull; |
| import javax.validation.constraints.Size; |
| |
| /** |
| * The annotated element size must at least 1 and cannot be null. From the JSR |
| * 303 spec. |
| */ |
| @Documented |
| @NotNull |
| @Size(min = 1) |
| @ReportAsSingleViolation |
| @Constraint(validatedBy = NotEmpty.NotEmptyValidator.class) |
| @Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER}) |
| @Retention(RUNTIME) |
| public @interface NotEmpty { |
| String message() default "{com.google.gwt.validation.example.client.NotEmpty.message}"; |
| |
| Class<?>[] groups() default {}; |
| |
| Class<? extends Payload>[] payload() default {}; |
| |
| /** |
| * From the JSR 303 spec. |
| */ |
| @Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER}) |
| @Retention(RUNTIME) |
| @Documented |
| @interface List { |
| NotEmpty[] value(); |
| } |
| /** |
| * Sample composite validator. |
| */ |
| class NotEmptyValidator implements ConstraintValidator<NotEmpty, String> { |
| @Override |
| public void initialize(NotEmpty constraintAnnotation) { |
| } |
| |
| @Override |
| public boolean isValid(String value, ConstraintValidatorContext context) { |
| return true; |
| } |
| } |
| } |