Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright 2012 Geoscience Australia
 * 
 * Licensed 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.
 ******************************************************************************/

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Return the index'th child element of parent that has the given element
     * tag name.
     * 
     * @param index
     *            Index of the child to return
     * @param name
     *            Element tag name to search for
     * @param parent
     *            Parent to search
     * @return index'th child element of parent that has the given name
     */
    public static Element getChildElementByTagName(int index, String name, Element parent) {
        if (parent == null) {
            return null;
        }
        NodeList children = parent.getChildNodes();
        if (children == null) {
            return null;
        }
        int count = 0;
        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node instanceof Element) {
                Element e = (Element) node;
                if (e.getTagName().equals(name) && (count++ == index)) {
                    return e;
                }
            }
        }
        return null;
    }
}