//==============================================================================
//=== Copyright (C) 2001-2008 Food and Agriculture Organization of the
//=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
//=== and United Nations Environment Programme (UNEP)
//===
//=== 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
//===
//=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
//=== Rome - Italy. email: geonetwork@osgeo.org
//==============================================================================
package org.fao.geonet.services.metadata.format;
import jeeves.interfaces.Service;
import jeeves.server.ServiceConfig;
import jeeves.server.context.ServiceContext;
import org.fao.geonet.kernel.setting.SettingManager;
import org.fao.geonet.util.XslUtil;
import org.fao.geonet.utils.BinaryFile;
import org.jdom.Element;
import org.jdom.output.XMLOutputter;
import org.xhtmlrenderer.pdf.ITextRenderer;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
/**
* Allows a user to display a metadata in PDF with a particular formatters
*
* @author fgravin
*/
public class PDF implements Service {
private static final String TMP_PDF_FILE = "Document";
public Element exec(Element metadata, ServiceContext context) throws Exception {
Element htmlDoc = metadata.getChild("html");
XMLOutputter printer = new XMLOutputter();
String htmlContent = printer.outputString(htmlDoc);
XslUtil.setNoScript();
File tempDir = (File) context.getServlet().getServletContext().
getAttribute( "javax.servlet.context.tempdir" );
File tempFile = File.createTempFile(TMP_PDF_FILE, ".pdf", tempDir);
OutputStream os = new FileOutputStream(tempFile);
try {
ITextRenderer renderer = new ITextRenderer();
String siteUrl = context.getBean(SettingManager.class).getSiteURL(context);
renderer.getSharedContext().setReplacedElementFactory(new ImageReplacedElementFactory(siteUrl, renderer.getSharedContext().getReplacedElementFactory()));
renderer.setDocumentFromString(htmlContent, siteUrl);
renderer.layout();
renderer.createPDF(os);
}
finally {
os.close();
}
Element res = BinaryFile.encode(200, tempFile.getAbsolutePath(), true);
return res;
}
@Override
public void init(String appPath, ServiceConfig params) throws Exception {
}
}