+++ /dev/null
-/*
- * jSite - XML.java - Copyright © 2006–2012 David Roden
- *
- * 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 2 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, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-package de.todesbaum.util.xml;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.nio.charset.Charset;
-
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.transform.Result;
-import javax.xml.transform.Source;
-import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerConfigurationException;
-import javax.xml.transform.TransformerException;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.dom.DOMResult;
-import javax.xml.transform.dom.DOMSource;
-import javax.xml.transform.stream.StreamResult;
-import javax.xml.transform.stream.StreamSource;
-
-import org.w3c.dom.Document;
-
-
-/**
- * Contains method to transform DOM XML trees to byte arrays and vice versa.
- *
- * @author David Roden <droden@gmail.com>
- * @version $Id:XML.java 221 2006-03-06 14:46:49Z bombe $
- */
-public class XML {
-
- /** Cached document builder factory. */
- private static DocumentBuilderFactory documentBuilderFactory = null;
-
- /** Cached document builder. */
- private static DocumentBuilder documentBuilder = null;
-
- /** Cached transformer factory. */
- private static TransformerFactory transformerFactory = null;
-
- /** Does nothing. */
- private XML() {
- }
-
- /**
- * Returns a document builder factory. If possible the cached instance will be returned.
- *
- * @return A document builder factory
- */
- private static DocumentBuilderFactory getDocumentBuilderFactory() {
- if (documentBuilderFactory != null) {
- return documentBuilderFactory;
- }
- documentBuilderFactory = DocumentBuilderFactory.newInstance();
- return documentBuilderFactory;
- }
-
- /**
- * Returns a document builder. If possible the cached instance will be returned.
- *
- * @return A document builder
- */
- private static DocumentBuilder getDocumentBuilder() {
- if (documentBuilder != null) {
- return documentBuilder;
- }
- try {
- documentBuilder = getDocumentBuilderFactory().newDocumentBuilder();
- } catch (ParserConfigurationException e) {
- }
- return documentBuilder;
- }
-
- /**
- * Returns a transformer factory. If possible the cached instance will be returned.
- *
- * @return A transformer factory
- */
- private static TransformerFactory getTransformerFactory() {
- if (transformerFactory != null) {
- return transformerFactory;
- }
- transformerFactory = TransformerFactory.newInstance();
- return transformerFactory;
- }
-
- /**
- * Creates a new XML document.
- *
- * @return A new XML document
- */
- public static Document createDocument() {
- return getDocumentBuilder().newDocument();
- }
-
- /**
- * Transforms the DOM XML document into a byte array.
- *
- * @param document
- * The document to transform
- * @return The byte array containing the XML representation
- */
- public static byte[] transformToByteArray(Document document) {
- ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
- OutputStreamWriter converter = new OutputStreamWriter(byteOutput, Charset.forName("UTF-8"));
- Result transformResult = new StreamResult(converter);
- Source documentSource = new DOMSource(document);
- try {
- Transformer transformer = getTransformerFactory().newTransformer();
- transformer.transform(documentSource, transformResult);
- byteOutput.close();
- return byteOutput.toByteArray();
- } catch (IOException ioe1) {
- } catch (TransformerConfigurationException tce1) {
- } catch (TransformerException te1) {
- } finally {
- try {
- byteOutput.close();
- } catch (IOException ioe1) {
- }
- }
- return null;
- }
-
- /**
- * Transforms the byte array into a DOM XML document.
- *
- * @param data
- * The byte array to parse
- * @return The DOM XML document
- */
- public static Document transformToDocument(byte[] data) {
- ByteArrayInputStream byteInput = new ByteArrayInputStream(data);
- InputStreamReader converter = new InputStreamReader(byteInput, Charset.forName("UTF-8"));
- Source xmlSource = new StreamSource(converter);
- Result xmlResult = new DOMResult();
- try {
- Transformer transformer = getTransformerFactory().newTransformer();
- transformer.transform(xmlSource, xmlResult);
- return (Document) ((DOMResult) xmlResult).getNode();
- } catch (TransformerConfigurationException tce1) {
- } catch (TransformerException te1) {
- } finally {
- if (byteInput != null)
- try {
- byteInput.close();
- } catch (IOException ioe1) {
- }
- if (converter != null)
- try {
- converter.close();
- } catch (IOException ioe1) {
- }
- }
- return null;
- }
-
-}
projects / jSite.git / blobdiff