FixedLengthValidator.java

/*
 * (c) Copyright 2005-2012 JAXIO, www.jaxio.com
 * Source code generated by Celerio, a Jaxio product
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 * Template pack-backend-sd:src/main/java/project/validation/impl/FixedLengthValidator.p.vm.java
 */
package com.company.demo.validation.impl;

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

import org.apache.commons.lang.StringUtils;

import com.company.demo.validation.FixedLength;

public class FixedLengthValidator implements ConstraintValidator<FixedLength, String> {

    private FixedLength constraint;

    public void initialize(FixedLength constraint) {
        this.constraint = constraint;
    }

    public boolean isValid(String value, ConstraintValidatorContext context) {
        if (StringUtils.isEmpty(value)) {
            return constraint.nullable();
        }
        return value.length() == constraint.length();
    }
}