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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/xslt/DocumentDeserializerImpl.java | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/xslt/DocumentDeserializerImpl.java')
-rw-r--r-- | xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/xslt/DocumentDeserializerImpl.java | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/xslt/DocumentDeserializerImpl.java b/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/xslt/DocumentDeserializerImpl.java new file mode 100644 index 000000000..c8eb43fdf --- /dev/null +++ b/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/xslt/DocumentDeserializerImpl.java @@ -0,0 +1,189 @@ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you 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 . + */ + +package org.openoffice.xmerge.converter.xml.xslt; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.util.Iterator; + +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.transform.Source; +import javax.xml.transform.Transformer; +import javax.xml.transform.TransformerException; +import javax.xml.transform.TransformerFactory; +import javax.xml.transform.URIResolver; +import javax.xml.transform.dom.DOMSource; +import javax.xml.transform.stream.StreamResult; +import javax.xml.transform.stream.StreamSource; + +import org.openoffice.xmerge.ConvertData; +import org.openoffice.xmerge.ConvertException; +import org.openoffice.xmerge.Document; +import org.openoffice.xmerge.DocumentDeserializer; +import org.openoffice.xmerge.converter.dom.DOMDocument; +import org.openoffice.xmerge.util.Debug; +import org.openoffice.xmerge.util.registry.ConverterInfo; + +/** + * Xslt implementation of {@code org.openoffice.xmerge.DocumentSerializer} + * for the {@link org.openoffice.xmerge.converter.xml.xslt.PluginFactoryImpl + * PluginFactoryImpl}. + * + * <p>The {@code serialize} method transforms the DOM document from the given + * {@code Document} object by means of a supplied Xsl Stylesheet.</p> + */ +public final class DocumentDeserializerImpl + implements DocumentDeserializer,URIResolver { + + /** A {@code ConvertData} object assigned to this object. */ + private final ConvertData cd; + private final PluginFactoryImpl pluginFactory; + + /** + * Constructor that assigns the given {@code ConvertData} to this object. + * + * @param pf A {@code PluginFactoryImpl} object. + * @param cd A {@code ConvertData} object to read data for the conversion + * process by the {@code deserialize} method. + */ + public DocumentDeserializerImpl(PluginFactoryImpl pf,ConvertData cd) { + this.cd = cd; + pluginFactory = pf; + } + + /** + * This method performs the xslt transformation on the supplied + * {@code Document} and returns a {@code ByteArrayOutputStream} object. + * + * <p>Xslt transformation code.</p> + * + * @return A {@code ByteArrayOutputStream} object containing the result + * of the Xslt transformation. + */ + public Document deserialize() throws ConvertException, IOException { + log("\nFound the XSLT deserializer"); + Iterator<Object> enumerate = cd.getDocumentEnumeration(); + org.w3c.dom.Document domDoc = null; + DOMDocument docOut = null; + ByteArrayOutputStream baos = null; + GenericOfficeDocument sxwDoc = new GenericOfficeDocument("output"); + while (enumerate.hasNext()) { + docOut = (DOMDocument) enumerate.next(); + } + if (docOut != null) { + try { + domDoc = docOut.getContentDOM(); + baos = transform(domDoc); + sxwDoc.initContentDOM(); + DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance(); + dFactory.setNamespaceAware(true); + DocumentBuilder dBuilder = dFactory.newDocumentBuilder(); + sxwDoc.setContentDOM(dBuilder.parse(new ByteArrayInputStream(baos.toByteArray()))); + + } catch (Exception e) { + System.out.println("The following error occurred:" + e); + } + } + return sxwDoc; + } + + public Source resolve(String href, String base) throws TransformerException { + if (href != null) { + if (href.equals("javax.xml.transform.dom.DOMSource") || href.length() == 0) { + return null; + } + try { + ConverterInfo ci = pluginFactory.getConverterInfo(); + String newhRef = "jar:" + ci.getJarName() + "!/" + href; + StreamSource sheetFile = new StreamSource(newhRef); + return sheetFile; + } catch (Exception e) { + System.out.println("\nException in Xslt Resolver " + e); + return null; + } + } else { + return null; + } + } + + /** + * This method performs the xslt transformation on the supplied Dom Tree. + * + * <p>Xslt transformation code.</p> + */ + private ByteArrayOutputStream transform(org.w3c.dom.Document xmlDoc){ + + log("\nTransforming..."); + ConverterInfo ci = pluginFactory.getConverterInfo(); + ByteArrayOutputStream baos= new ByteArrayOutputStream(); + try{ + DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance(); + dFactory.setNamespaceAware(true); + DocumentBuilder dBuilder = dFactory.newDocumentBuilder(); + + String teststr = ci.getXsltDeserial(); + teststr= teststr.substring(0,6); + org.w3c.dom.Document xslDoc=null; + if ((teststr.equals("http:/"))||(teststr.equals("file:/")) + ||(teststr.equals("jar://"))){ + log(ci.getXsltDeserial()); + xslDoc= dBuilder.parse(ci.getXsltDeserial()); + + } + else{ + log(ci.getJarName()+"!/"+ci.getXsltDeserial()); + xslDoc = dBuilder.parse( + "jar:"+ci.getJarName()+"!/"+ci.getXsltDeserial()); + } + + + DOMSource xslDomSource = new DOMSource(xslDoc); + DOMSource xmlDomSource = new DOMSource(xmlDoc); + + //call the transformer using the XSL, Source and Result dom. + TransformerFactory tFactory = TransformerFactory.newInstance(); + tFactory.setURIResolver(this); + Transformer transformer = tFactory.newTransformer(xslDomSource); + transformer.transform(xmlDomSource,new StreamResult(baos)); + + log("\n** Transform Complete ***"); + + } + catch (StackOverflowError sOE){ + System.out.println("\nERROR : Stack Overflow Error During Transformation\n Try increasing the stack size by passing the -Xss1m option to the JRE."); + throw sOE; + } + catch(Exception e){ + System.out.println("An error occurred in the transformation : "+e); + } + return baos; + } + + /** + * Sends message to the log object. + * + * @param str Debug message. + */ + private void log(String str) { + + Debug.log(Debug.TRACE, str); + } +} |