EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.print.out.pdf;

import java.io.File;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.OutputStream;

import javax.xml.transform.Result;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.sax.SAXResult;

import javax.xml.transform.stream.StreamSource;

import org.apache.fop.apps.FOUserAgent;

import org.apache.fop.apps.Fop;

import org.apache.fop.apps.FopFactory;

import org.apache.fop.apps.MimeConstants;

import org.apache.log4j.Logger;

import org.jdom.Document;

import org.jdom.transform.JDOMSource;

import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;

import eu.etaxonomy.cdm.print.out.PublishOutputModuleBase;

/**

 * This output module will create a <a href="http://www.adobe.com/products/acrobat/adobepdf.html">PDF</a> document 

 * with a predefined output for quick printing.

 * 

 * @author n.hoffmann

 * @created Jul 20, 2010

 * @version 1.0

 */

public class PdfOutputModule extends PublishOutputModuleBase {

	private static final Logger logger = Logger

			.getLogger(PdfOutputModule.class);

	public static String STYLESHEET_RESOURCE_DEFAULT = "/stylesheets/pdf/cdmToPdf.xsl";

	/*

	 * (non-Javadoc)

	 * @see eu.etaxonomy.printpublisher.out.IPublishOutputModule#output(org.jdom.Document, java.io.File, eu.etaxonomy.printpublisher.NotificationMediator)

	 */

	public void output(Document document, File exportFolder, IProgressMonitor progressMonitor) {

		super.output(document, exportFolder, progressMonitor);

		try{

			 // configure fopFactory as desired

			FopFactory fopFactory = FopFactory.newInstance();

			FOUserAgent foUserAgent = fopFactory.newFOUserAgent();

			 // configure foUserAgent as desired

			// Setup output

			String filePath = getFilePath(exportFolder);

			OutputStream out = new FileOutputStream(filePath);

			out = new java.io.BufferedOutputStream(out);

			try{

				// Construct fop with desired output format

	            Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, foUserAgent, out);

	            // Setup XSLT

	            InputStream xslt = getXsltInputStream();

	            TransformerFactory factory = TransformerFactory.newInstance();

	            Transformer transformer = factory.newTransformer(new StreamSource(xslt));

	            // Setup input for XSLT transformation

	            JDOMSource source = new JDOMSource(document);

	            // Resulting SAX events (the generated FO) must be piped through to FOP

	            Result result = new SAXResult(fop.getDefaultHandler());

	            // Start XSLT transformation and FOP processing

	            transformer.transform(source, result);

            } finally {

                out.close();

                logger.info("PDF file created: " + filePath);

            }

		}catch (Exception e) {

			logger.error("Could not generate document", e);

		}

	}

	public String getOutputFileSuffix() {

		return "pdf";

	}

	public InputStream getDefaultXsltInputStream(){

		return PdfOutputModule.class.getResourceAsStream(STYLESHEET_RESOURCE_DEFAULT);

	}

}