--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/software/eXist/mpdl-modules/src/org/exist/xquery/modules/mpdldoc/Html2Pdf.java	Wed Nov 24 17:24:23 2010 +0100
@@ -0,0 +1,102 @@
+/*
+ *  eXist Open Source Native XML Database: Extension module
+ *  Copyright (C) 2008 Josef Willenborg
+ *  jwillenborg@mpiwg-berlin.mpg.de
+ *  http://www.mpiwg-berlin.mpg.de
+ *  
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *  
+ *  $Id:  $
+ */
+package org.exist.xquery.modules.mpdldoc;
+
+import org.exist.dom.QName;
+import org.exist.storage.serializers.Serializer;
+import org.exist.xquery.BasicFunction;
+import org.exist.xquery.Cardinality;
+import org.exist.xquery.FunctionSignature;
+import org.exist.xquery.XPathException;
+import org.exist.xquery.XQueryContext;
+import org.exist.xquery.value.Base64Binary;
+import org.exist.xquery.value.NodeValue;
+import org.exist.xquery.value.Sequence;
+import org.exist.xquery.value.SequenceType;
+import org.exist.xquery.value.Type;
+import org.xml.sax.SAXException;
+
+import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
+import de.mpg.mpiwg.berlin.mpdl.util.MpdlITextRenderer;
+import de.mpg.mpiwg.berlin.mpdl.util.StringUtilEscapeChars;
+
+/**
+ * @author Josef Willenborg (jwillenborg@mpiwg-berlin.mpg.de)
+ */
+public class Html2Pdf extends BasicFunction {
+
+	public final static FunctionSignature signature =
+		new FunctionSignature(
+			new QName("html2pdf", MPDLDocModule.NAMESPACE_URI, MPDLDocModule.PREFIX),
+			"A function which converts the input HTML fragment to pdf",
+			new SequenceType[] { 
+			  new SequenceType(Type.NODE, Cardinality.EXACTLY_ONE),
+        new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
+        new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
+        new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
+        new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
+        new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE)
+			  },
+			new SequenceType(Type.BYTE, Cardinality.EXACTLY_ONE));
+
+	public Html2Pdf(XQueryContext context) {
+		super(context, signature);
+	}
+
+  public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
+    try {
+      Sequence firstSeq = args[0];
+      Sequence secondSeq = args[1];
+      Sequence thirdSeq = args[2];
+      Sequence fourthSeq = args[3];
+      Sequence fifthSeq = args[4];
+      Sequence sixthSeq = args[5];
+      if (firstSeq.isEmpty() || secondSeq.isEmpty() || thirdSeq.isEmpty() || fourthSeq.isEmpty() || fifthSeq.isEmpty() || sixthSeq.isEmpty())
+        return Sequence.EMPTY_SEQUENCE;
+      NodeValue nodeValue= (NodeValue) firstSeq.itemAt(0);
+      Serializer serializer = context.getBroker().getSerializer();
+      serializer.reset();
+      String nodeValueStr = serializer.serialize(nodeValue);
+
+      String language = secondSeq.getStringValue();
+      String topLeftStrTmp = thirdSeq.getStringValue();
+      String topRightStrTmp = fourthSeq.getStringValue();
+      String bottomLeftStrTmp = fifthSeq.getStringValue();
+      String bottomRightStrTmp = sixthSeq.getStringValue();
+      String topLeftStr = """ + StringUtilEscapeChars.deresolveXmlEntities(topLeftStrTmp) + """;
+      String topRightStr = """ + StringUtilEscapeChars.deresolveXmlEntities(topRightStrTmp)  + """;
+      String bottomLeftStr = """ + StringUtilEscapeChars.deresolveXmlEntities(bottomLeftStrTmp)  + """;
+      String bottomRightStr = """ + StringUtilEscapeChars.deresolveXmlEntities(bottomRightStrTmp)  + """;
+      
+      MpdlITextRenderer mpdlRenderer = MpdlITextRenderer.getInstance();
+      String singlePageStr = nodeValueStr.replaceAll("class=\"page\">", "class=\"singlePage\">");
+      byte[] pdfBytes = mpdlRenderer.createPdf(singlePageStr, language, topLeftStr, topRightStr, bottomLeftStr, bottomRightStr);    
+
+      return new Base64Binary(pdfBytes);
+    } catch (ApplicationException e) {
+      throw new XPathException(e.getMessage());
+    } catch (SAXException e) {
+      throw new XPathException(e);
+    }
+  }
+}