com.epam.cme.storefront.forms.validation.EqualAttributesValidator.java Source code

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Here is the source code for com.epam.cme.storefront.forms.validation.EqualAttributesValidator.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2013 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 * 
 *  
 */
package com.epam.cme.storefront.forms.validation;

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

import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.log4j.Logger;
import org.springframework.util.Assert;

/**
 * Validator for equal attributes
 */
public class EqualAttributesValidator implements ConstraintValidator<EqualAttributes, Object> {
    private static final Logger LOG = Logger.getLogger(EqualAttributesValidator.class);

    private String firstAttribute;
    private String secondAttribute;

    @Override
    public void initialize(final EqualAttributes constraintAnnotation) {
        Assert.notEmpty(constraintAnnotation.value());
        Assert.isTrue(constraintAnnotation.value().length == 2);
        firstAttribute = constraintAnnotation.value()[0];
        secondAttribute = constraintAnnotation.value()[1];
        Assert.hasText(firstAttribute);
        Assert.hasText(secondAttribute);
        Assert.isTrue(!firstAttribute.equals(secondAttribute));
    }

    @Override
    public boolean isValid(final Object object, final ConstraintValidatorContext constraintContext) {
        if (object == null) {
            return true;
        }
        try {
            final Object first = PropertyUtils.getProperty(object, firstAttribute);
            final Object second = PropertyUtils.getProperty(object, secondAttribute);
            return new EqualsBuilder().append(first, second).isEquals();
        } catch (final Exception e) {
            LOG.error("Could not validate", e);
            throw new IllegalArgumentException(e);
        }
    }
}