Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2016 Alexander Vasilevsky
 *
 * 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.Node;

public class Main {
    /**
     * Returns string value of the named attribute of the node.
     * Returns <code>null</code> if such attribute does not exist.
     *
     * @param node     The node to extract attribute from
     * @param attrName The name of the attribute
     *
     * @return String value of the attribute or <code>null</code>
     *
     * @throws NullPointerException If <code>node</code> is <code>null</code>
     */
    public static String getAttributeValue(Node node, String attrName) {
        Node attr = node.getAttributes().getNamedItem(attrName);
        return attr == null ? null : attr.getNodeValue();
    }
}