AbstractNotGwtCompatibleValidator.java

/*
 * Copyright 2010 Google Inc. Copyright 2016 Manfred Tremmel
 *
 * 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 de.knightsoftnet.validators.client.constraints;

import java.lang.annotation.Annotation;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

/**
 * Masks a {@link ConstraintValidator} that is not GWT compatible. This validator always fails.
 *
 * @param <A> the constraint to validate
 * @param <T> the type to validate
 */
public abstract class AbstractNotGwtCompatibleValidator<A extends Annotation, T>
    implements ConstraintValidator<A, T> {

  @Override
  public final void initialize(final A constraintAnnotation) {}

  /**
   * Always fails.
   */
  @Override
  public final boolean isValid(final T value, final ConstraintValidatorContext context) {
    // TODO (nchalko) add a custom message
    return false;
  }
}