Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.adobe.ac.pmd.metrics.maven.utils; import java.io.Serializable; import java.util.Comparator; import org.dom4j.Node; /** * Comparator for numeric xml node tag. * * @author <a href="jeanlaurentATgmail.com">Jean-Laurent de Morlhon</a> * @version $Id: NumericNodeComparator.java 3286 2007-02-08 20:18:51Z * jeanlaurent $ */ public final class NumericNodeComparator implements Comparator<Node>, Serializable { private static final long serialVersionUID = -2728762615963337680L; /** * the tag property used by this comparator */ private final String tagProperty; /** * The numeric node tag property to used by this comparator. * * @param property the tag property used by this comparator. */ public NumericNodeComparator(final String property) { this.tagProperty = property; } /** * {@inheritDoc} */ public int compare(final Node node1, final Node node2) { return node2.numberValueOf(tagProperty).intValue() - node1.numberValueOf(tagProperty).intValue(); } }