SimpleDateValidator.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.cyclop.validation;

import java.text.SimpleDateFormat;

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

/** @author Maciej Miklas */
public class SimpleDateValidator implements ConstraintValidator<SimpleDate, String> {

	public void initialize(SimpleDate annotation) {
	}

	@Override
	public boolean isValid(String value, ConstraintValidatorContext context) {
		if (value == null) {
			return false;
		}

		try {
			new SimpleDateFormat(value);
		} catch (IllegalArgumentException e) {
			return false;
		}

		return true;
	}
}