Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright  1999-2004 The Apache Software Foundation.
 *
 *  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;

public class Main {
    /**
     * @param root
     * @param uri
     * @param nodeName
     * @return nodes with the constrain
     */
    public static Element selectElement(Node node, String uri, String nodeName) {
        while (node != null) {
            if (nodeName.equals(node.getLocalName()) && uri.equals(node.getNamespaceURI()))
                return (Element) node;

            Element located = findElementinChilds(node, uri, nodeName);
            if (located != null) {
                return located;
            }
        }
        return null;
    }

    private static Element findElementinChilds(Node node, String uri, String nodeName) {

        for (Node child = node.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                Element childElement = (Element) child;

                if (nodeName.equals(childElement.getLocalName()) && uri.equals(childElement.getNamespaceURI())) {
                    return (Element) childElement;
                }
            }

            Element located = findElementinChilds(child, uri, nodeName);
            if (located != null) {
                return located;
            }
        }

        return null;
    }
}