Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

public class Main {
    public static List<Element> elements(Element element, String tagName) {
        if (element == null || !element.hasChildNodes()) {
            return Collections.emptyList();
        }

        List<Element> elements = new ArrayList<Element>();
        for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                Element childElement = (Element) child;
                String childTagName = childElement.getLocalName();

                if (tagName.equals(childTagName))
                    elements.add(childElement);
            }
        }
        return elements;
    }

    public static List<Element> elements(Element element, Set<String> allowedTagNames) {
        if (element == null || !element.hasChildNodes()) {
            return Collections.emptyList();
        }

        List<Element> elements = new ArrayList<Element>();
        for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                Element childElement = (Element) child;
                if (allowedTagNames.contains(child.getLocalName())) {
                    elements.add(childElement);
                }
            }
        }
        return elements;
    }

    public static List<Element> elements(Element element) {
        if (element == null || !element.hasChildNodes()) {
            return Collections.emptyList();
        }

        List<Element> elements = new ArrayList<Element>();
        for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                elements.add((Element) child);
            }
        }
        return elements;
    }

    public static List<Element> elements(Element element, String namespace, String localName) {
        if (element == null || !element.hasChildNodes()) {
            return Collections.emptyList();
        }

        List<Element> elements = new ArrayList<Element>();
        for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
            String childNamespace = element.getNamespaceURI();
            if (child.getNodeType() == Node.ELEMENT_NODE
                    && (namespace != null ? namespace.equals(childNamespace) : childNamespace == null)
                    && localName.equals(element.getLocalName())) {
                elements.add((Element) child);
            }
        }
        return elements;
    }

    public static String getNamespaceURI(final org.w3c.dom.Node n, final String prefix) {
        Node prefixDeclaration = n.getAttributes().getNamedItem("xmlns:" + prefix);
        if (prefixDeclaration != null) {
            // we have found the good NameSpace
            return prefixDeclaration.getNodeValue();
        }
        // we have found the good NameSpace
        // we look for the NameSpace in the parent Node
        return getNamespaceURI(n.getParentNode(), prefix);
    }
}