MalformedValidator.java

/*
 * Copyright (c) 2015. David Sowerby
 *
 * 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 uk.q3c.krail.core.validation;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.math.BigDecimal;
import java.math.BigInteger;

public class MalformedValidator implements ConstraintValidator<MalformedAnnotation, Number> {

    private long minValue;

    public void initialize(MalformedAnnotation annotation) {
        this.minValue = annotation.value();
    }

    public boolean isValid(Number value, ConstraintValidatorContext context) {
        if (value == null) {
            return true;
        } else if (value instanceof BigDecimal) {
            return ((BigDecimal) value).compareTo(BigDecimal.valueOf(minValue)) != -1;
        } else if (value instanceof BigInteger) {
            return ((BigInteger) value).compareTo(BigInteger.valueOf(minValue)) != -1;
        } else {
            return value.longValue() >= minValue;
        }

    }
}