| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.utils; |
| |
| /** |
| * @author mengbo |
| */ |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| import javax.xml.transform.OutputKeys; |
| 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.TransformerFactoryConfigurationError; |
| import javax.xml.transform.dom.DOMSource; |
| import javax.xml.transform.stream.StreamResult; |
| |
| import org.eclipse.jst.pagedesigner.PDPlugin; |
| import org.eclipse.jst.pagedesigner.common.logging.Logger; |
| import org.w3c.dom.Document; |
| |
| public class XMLUtil { |
| private static Logger _log = PDPlugin.getLogger(XMLUtil.class); |
| |
| /** |
| * Returns a DocumentBuilder capable of creating a DOM Document from input. |
| * |
| * @return |
| */ |
| public synchronized static DocumentBuilder getDocumentBuilder() { |
| DocumentBuilder result = null; |
| try { |
| result = DocumentBuilderFactory.newInstance().newDocumentBuilder(); |
| } catch (ParserConfigurationException e) { |
| // "Error in create documentBuilder" |
| _log.info("XMLUtil.Error.0", e); //$NON-NLS-1$ |
| } |
| return result; |
| } |
| |
| public synchronized static DocumentBuilder getDocumentBuilder( |
| boolean validating) { |
| DocumentBuilder result = null; |
| try { |
| DocumentBuilderFactory instance = DocumentBuilderFactory |
| .newInstance(); |
| instance.setValidating(validating); |
| result = instance.newDocumentBuilder(); |
| } catch (ParserConfigurationException e) { |
| // "Error in create documentBuilder" |
| _log.info("XMLUtil.Error.0", e); //$NON-NLS-1$ |
| } |
| return result; |
| } |
| |
| /** |
| * Transforms a DOM document into a lightly-formatted UTF-8 represntation |
| * and outputs it to an outputstream |
| * |
| * @param document |
| * @param ostream |
| * @throws IOException |
| */ |
| public static void serialize(Document document, OutputStream ostream) |
| throws IOException { |
| Source domSource = new DOMSource(document); |
| try { |
| Transformer serializer = TransformerFactory.newInstance() |
| .newTransformer(); |
| try { |
| serializer.setOutputProperty(OutputKeys.INDENT, "yes"); //$NON-NLS-1$ |
| serializer.setOutputProperty( |
| "{http://xml.apache.org/xslt}indent-amount", "4"); //$NON-NLS-1$ //$NON-NLS-2$ |
| serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); //$NON-NLS-1$ |
| } catch (IllegalArgumentException e) { |
| // "Error in object persistance:" |
| _log.info("XMLUtil.Error.2", e); //$NON-NLS-1$ |
| } |
| serializer.transform(domSource, new StreamResult(ostream)); |
| } catch (TransformerConfigurationException e) { |
| // "Error in object persistance:" |
| _log.info("XMLUtil.Error.2", e); //$NON-NLS-1$ |
| throw new IOException(e.getMessage()); |
| } catch (TransformerFactoryConfigurationError e) { |
| // "Error in object persistance:" |
| _log.info("XMLUtil.Error.2", e); //$NON-NLS-1$ |
| throw new IOException(e.getMessage()); |
| } catch (TransformerException e) { |
| // "Error in object persistance:" |
| _log.info("XMLUtil.Error.2", e); //$NON-NLS-1$ |
| throw new IOException(e.getMessage()); |
| } |
| } |
| } |