Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (C) 2012-2014 Blake Dickie
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import org.w3c.dom.Element;

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

public class Main {
    /**
     * Gets the text in a child tag.
     *
     * @param The parent of the child to look at.
     * @param The name attribute of the child element to get the text of.
     */
    public static String getTextValueOfChildWithNameAttribute(Element parent, String childName) {
        String result = getTextValue(findElementWithNameAttribute(parent, childName));
        if (result == null) {
            return "";
        }
        return result;
    }

    /**
     * Gets the text value contained in an element.
     *
     * @param node The Element to get the text value of.
     *
     * @return The text in the element.
     */
    public static String getTextValue(Element node) {
        if (node == null) {
            return null;
        }
        NodeList nodes = node.getChildNodes();
        for (int i = 0; i < nodes.getLength(); i++) {
            Node n = nodes.item(i);
            if (n.getNodeType() == n.TEXT_NODE) {
                return n.getNodeValue();
            }
        }
        return null;
    }

    /**
     * Trys to find a child element in the given parent element where the child's
     * name attribute is the given value.
     *
     * @param parent The Element to search in.
     * @param name   The name attribute of the element to search for.
     *
     * @return The Element if found, null otherwise.
     */
    public static Element findElementWithNameAttribute(Element parent, String name) {
        NodeList l = parent.getChildNodes();
        for (int i = 0; i < l.getLength(); i++) {
            Node n = l.item(i);
            if (n.getNodeType() == n.ELEMENT_NODE) {
                Element e = (Element) n;
                if (e.getAttribute("name").equals(name)) {
                    return e;
                }
            }
        }
        return null;
    }
}