| /* |
| * 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 |
| * |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package embedding; |
| |
| // Java |
| import java.io.File; |
| import java.io.OutputStream; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| //JAXP |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.Result; |
| import javax.xml.transform.dom.DOMSource; |
| import javax.xml.transform.sax.SAXResult; |
| |
| // DOM |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.Text; |
| |
| // FOP |
| import org.apache.fop.apps.FOUserAgent; |
| import org.apache.fop.apps.Fop; |
| import org.apache.fop.apps.FopFactory; |
| import org.apache.fop.apps.MimeConstants; |
| |
| |
| /** |
| * This class demonstrates the conversion of a DOM Document to PDF |
| * using JAXP (XSLT) and FOP (XSL-FO). |
| */ |
| public class ExampleDOM2PDF { |
| |
| // configure fopFactory as desired |
| private FopFactory fopFactory = FopFactory.newInstance(); |
| |
| /** xsl-fo namespace URI */ |
| protected static String foNS = "http://www.w3.org/1999/XSL/Format"; |
| |
| /** |
| * Converts a DOM Document to a PDF file using FOP. |
| * @param xslfoDoc the DOM Document |
| * @param pdf the target PDF file |
| */ |
| public void convertDOM2PDF(Document xslfoDoc, File pdf) { |
| try { |
| FOUserAgent foUserAgent = fopFactory.newFOUserAgent(); |
| // configure foUserAgent as desired |
| |
| // Setup output |
| OutputStream out = new java.io.FileOutputStream(pdf); |
| out = new java.io.BufferedOutputStream(out); |
| |
| try { |
| // Construct fop with desired output format and output stream |
| Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, foUserAgent, out); |
| |
| // Setup Identity Transformer |
| TransformerFactory factory = TransformerFactory.newInstance(); |
| Transformer transformer = factory.newTransformer(); // identity transformer |
| |
| // Setup input for XSLT transformation |
| Source src = new DOMSource(xslfoDoc); |
| |
| // Resulting SAX events (the generated FO) must be piped through to FOP |
| Result res = new SAXResult(fop.getDefaultHandler()); |
| |
| // Start XSLT transformation and FOP processing |
| transformer.transform(src, res); |
| } finally { |
| out.close(); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(System.err); |
| System.exit(-1); |
| } |
| |
| } |
| |
| /** |
| * Main method. |
| * @param args command-line arguments |
| */ |
| public static void main(String[] args) { |
| try { |
| System.out.println("FOP ExampleDOM2PDF\n"); |
| |
| //Setup directories |
| File baseDir = new File("."); |
| File outDir = new File(baseDir, "out"); |
| outDir.mkdirs(); |
| |
| //Setup output file |
| File pdffile = new File(outDir, "ResultDOM2PDF.pdf"); |
| System.out.println("PDF Output File: " + pdffile); |
| System.out.println(); |
| |
| Document foDoc = buildDOMDocument(); |
| |
| ExampleDOM2PDF app = new ExampleDOM2PDF(); |
| app.convertDOM2PDF(foDoc, pdffile); |
| |
| System.out.println("Success!"); |
| |
| } catch (Exception e) { |
| e.printStackTrace(System.err); |
| System.exit(-1); |
| } |
| } |
| |
| /** |
| * Builds the example FO document as a DOM in memory. |
| * @return the FO document |
| * @throws ParserConfigurationException In case there is a problem creating a DOM document |
| */ |
| private static Document buildDOMDocument() throws ParserConfigurationException { |
| // Create a sample XSL-FO DOM document |
| Document foDoc = null; |
| Element root = null, ele1 = null, ele2 = null, ele3 = null; |
| |
| DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); |
| dbf.setNamespaceAware(true); |
| DocumentBuilder db = dbf.newDocumentBuilder(); |
| foDoc = db.newDocument(); |
| |
| root = foDoc.createElementNS(foNS, "fo:root"); |
| foDoc.appendChild(root); |
| |
| ele1 = foDoc.createElementNS(foNS, "fo:layout-master-set"); |
| root.appendChild(ele1); |
| ele2 = foDoc.createElementNS(foNS, "fo:simple-page-master"); |
| ele1.appendChild(ele2); |
| ele2.setAttributeNS(null, "master-name", "letter"); |
| ele2.setAttributeNS(null, "page-height", "11in"); |
| ele2.setAttributeNS(null, "page-width", "8.5in"); |
| ele2.setAttributeNS(null, "margin-top", "1in"); |
| ele2.setAttributeNS(null, "margin-bottom", "1in"); |
| ele2.setAttributeNS(null, "margin-left", "1in"); |
| ele2.setAttributeNS(null, "margin-right", "1in"); |
| ele3 = foDoc.createElementNS(foNS, "fo:region-body"); |
| ele2.appendChild(ele3); |
| ele1 = foDoc.createElementNS(foNS, "fo:page-sequence"); |
| root.appendChild(ele1); |
| ele1.setAttributeNS(null, "master-reference", "letter"); |
| ele2 = foDoc.createElementNS(foNS, "fo:flow"); |
| ele1.appendChild(ele2); |
| ele2.setAttributeNS(null, "flow-name", "xsl-region-body"); |
| addElement(ele2, "fo:block", "Hello World!"); |
| return foDoc; |
| } |
| |
| /** |
| * Adds an element to the DOM. |
| * @param parent parent node to attach the new element to |
| * @param newNodeName name of the new node |
| * @param textVal content of the element |
| */ |
| protected static void addElement(Node parent, String newNodeName, |
| String textVal) { |
| if (textVal == null) { |
| return; |
| } // use only with text nodes |
| Element newElement = parent.getOwnerDocument().createElementNS( |
| foNS, newNodeName); |
| Text elementText = parent.getOwnerDocument().createTextNode(textVal); |
| newElement.appendChild(elementText); |
| parent.appendChild(newElement); |
| } |
| } |
| |