de.hybris.platform.acceleratorstorefrontcommons.variants.impl.DefaultVariantComparator.java Source code

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Here is the source code for de.hybris.platform.acceleratorstorefrontcommons.variants.impl.DefaultVariantComparator.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2017 SAP SE or an SAP affiliate company.  All rights reserved.
 *
 * This software is the confidential and proprietary information of SAP
 * ("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 SAP.
 */
package de.hybris.platform.acceleratorstorefrontcommons.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 {
            return getResult(variant1, variant2);
        }
    }

    protected int getResult(final Object variant1, final Object variant2) {
        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());
    }
}