/*
* 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.client.constraints;
import java.lang.annotation.Annotation;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
/**
* <strong>EXPERIMENTAL</strong> and subject to change. Do not use this in
* production code.
* <p>
* Masks a {@link ConstraintValidator} that is not GWT compatible. This
* validator always fails.
* <p>
* Extend this class and implement it as GWT super class. Use validation groups
* to keep this constraint from being validated on the client.
*
* <p>
* In a super source directory override your validator like this:
*
* <pre>
* public class MyValidator extends
* NotGwtCompatibleValidator <MyConstraint, MyType>{
* }
* </pre>
*
* @param <A> the constraint to validate
* @param <T> the type to validate
*/
public abstract class NotGwtCompatibleValidator<A extends Annotation, T>
implements ConstraintValidator<A, T> {
public final void initialize(A constraintAnnotation) {
}
/**
* Always fails.
*/
public final boolean isValid(T value, ConstraintValidatorContext context) {
// TODO (nchalko) add a custom message
return false;
}
}