Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2017 Marcus Portmann
 *
 * 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;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Returns the boolean value of the text content for the child element with the specified name
     * for the specified element.
     *
     * @param element the parent element
     * @param name    the name of the child element to return
     *
     * @return the boolean value of the text content for the child element or <code>null</code> if a
     *         child element with the specified name could not be found
     */
    public static Boolean getChildElementBoolean(Element element, String name) {
        NodeList nodeList = element.getChildNodes();

        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);

            if (node instanceof Element) {
                Element childElement = (Element) node;

                if (childElement.getNodeName().equals(name)) {
                    try {
                        return Boolean.parseBoolean(childElement.getTextContent());
                    } catch (Throwable e) {
                        throw new RuntimeException("Failed to parse the invalid boolean value ("
                                + childElement.getTextContent() + ")");
                    }
                }
            }
        }

        return null;
    }
}