Java tutorial
/* * [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 de.hybris.platform.ytelcoacceleratorstorefront.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()); } } }