io.tesler.vanilla.dto.validators.KppConstraintValidator Maven / Gradle / Ivy

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/*-
 * #%L
 * IO Tesler - Vanilla Source
 * %%
 * Copyright (C) 2018 - 2019 Tesler Contributors
 * %%
 * 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.
 * #L%
 */

package io.tesler.vanilla.dto.validators;

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


public class KppConstraintValidator implements ConstraintValidator {

	@Override
	public boolean isValid(String object, ConstraintValidatorContext constraintContext) {
		if (object == null) {
			return true;
		}
		if (object.length() < 9) {
			return false;
		}
		if (!object.chars().allMatch(Character::isDigit)) {
			return false;
		}
		if (object.charAt(4) == '0' && object.charAt(5) == '0') {
			return false;
		}
		return true;
	}

}