com.github.britter.beanvalidators.net.IPConstraintValidator.java Source code

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Here is the source code for com.github.britter.beanvalidators.net.IPConstraintValidator.java

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/*
 * Copyright 2015 Benedikt Ritter
 *
 * 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.github.britter.beanvalidators.net;

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

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.validator.routines.InetAddressValidator;

public class IPConstraintValidator implements ConstraintValidator<IP, String> {

    private IPType type;

    @Override
    public void initialize(final IP constraintAnnotation) {
        this.type = constraintAnnotation.type();
    }

    @Override
    public boolean isValid(final String value, final ConstraintValidatorContext context) {
        if (StringUtils.isBlank(value)) {
            return true;
        }

        switch (type) {
        case IP_V4:
            return InetAddressValidator.getInstance().isValidInet4Address(value);
        case IP_V6:
            return InetAddressValidator.getInstance().isValidInet6Address(value);
        default:
            return InetAddressValidator.getInstance().isValid(value);
        }
    }

}