XMLUtil.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library 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 library 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.
 */

package com.liferay.gradle.plugins.maven.plugin.builder.internal.util;

import com.liferay.gradle.util.Validator;

import java.io.File;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * @author Andrea Di Giorgi
 */
public class XMLUtil {

	public static void appendElement(
		Document document, Element parentElement, String name, String text) {

		Element childElement = document.createElement(name);

		if (Validator.isNotNull(text)) {
			childElement.setTextContent(text);
		}

		parentElement.appendChild(childElement);
	}

	public static Document createDocument() throws Exception {
		DocumentBuilderFactory documentBuilderFactory =
			DocumentBuilderFactory.newInstance();

		DocumentBuilder documentBuilder =
			documentBuilderFactory.newDocumentBuilder();

		return documentBuilder.newDocument();
	}

	public static void write(Document document, File file) throws Exception {
		TransformerFactory transformerFactory =
			TransformerFactory.newInstance();

		Transformer transformer = transformerFactory.newTransformer();

		transformer.transform(new DOMSource(document), new StreamResult(file));
	}

}