Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * 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.
 */

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    /**
     * Changes the tag name of an element.
     * 
     * @param elem Element which name should be changed
     * @param newName new tag name of the element
     * @return true if the name was changed successfully or false otherwise
     */
    static public boolean changeTagName(Element elem, String newName) {
        if (elem == null)
            return false; // not Found!
        Document doc = elem.getOwnerDocument();
        Element newElem = doc.createElement(newName);

        // Copy the attributes to the new element
        NamedNodeMap attrs = elem.getAttributes();
        for (int i = 0; i < attrs.getLength(); i++) {
            Attr attr2 = (Attr) doc.importNode(attrs.item(i), true);
            newElem.getAttributes().setNamedItem(attr2);
        }

        // Copy all Child Elements
        for (Node node = elem.getFirstChild(); node != null; node = node.getNextSibling())
            newElem.appendChild(node.cloneNode(true));
        // insert
        Node parent = elem.getParentNode();
        parent.replaceChild(newElem, elem);
        return true;
    }

    /**
     * Gets the first (direct) child Element.
     * 
     * @param parent the parent element below which to search the child
     * @return the first child element, or null otherwise
     */
    static public Element getFirstChild(Node parent) { // Child Element suchen
        if (parent == null)
            return null;
        Node node = parent.getFirstChild();
        while (node != null) { // Find all Element nodes
            if (node.getNodeType() == Node.ELEMENT_NODE)
                return (Element) node; // found
            node = node.getNextSibling();
        }
        return null; // not found!
    }
}