org.training.storefront.variants.impl.DefaultVariantComparator.java Source code

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Here is the source code for org.training.storefront.variants.impl.DefaultVariantComparator.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 org.training.storefront.variants.impl;

import java.util.Comparator;

import org.apache.commons.lang.math.NumberUtils;

/**
 * Default comparator for variant values
 */
public class DefaultVariantComparator implements Comparator<Object> {
    @Override
    public int compare(final Object variant1, final Object variant2) {
        if (variant1 instanceof Number) {
            final double number1 = ((Number) variant1).doubleValue();
            final double number2 = ((Number) variant2).doubleValue();
            return NumberUtils.compare(number1, number2);
        } else if (variant1 instanceof String) {
            final String string1 = (String) variant1;
            final String string2 = (String) variant2;
            return string1.compareTo(string2);
        } else {
            if (variant1 == null && variant2 == null) {
                return 0;
            } else if (variant1 == null) {
                return -1;
            } else if (variant2 == null) {
                return 1;
            }
            return variant1.toString().compareTo(variant2.toString());
        }
    }
}