Pure Java runner added.

[wl2pdf.git] / jsrc / org / lqsoft / wlml / WL2PDF.java

diff --git a/jsrc/org/lqsoft/wlml/WL2PDF.java b/jsrc/org/lqsoft/wlml/WL2PDF.java
new file mode 100755 (executable)
index 0000000..7e84df6
--- /dev/null
+++ b/jsrc/org/lqsoft/wlml/WL2PDF.java
@@ -0,0 +1,106 @@
+package org.lqsoft.wlml;
+
+import java.io.*;
+
+import javax.xml.transform.*;
+import javax.xml.transform.sax.SAXResult;
+import javax.xml.transform.sax.TransformerHandler;
+import javax.xml.transform.stream.*; 
+import javax.xml.transform.*;
+
+import org.apache.fop.fo.ValidationException;
+
+import net.sf.saxon.TransformerFactoryImpl;
+import net.sf.saxon.trans.XPathException;
+
+import org.apache.fop.apps.*;
+import org.xml.sax.SAXException;
+
+public class WL2PDF 
+{
+       
+       private Templates wl2fo_tmplt;
+       private Templates norm_tmplt;
+       private FopFactory fop_factory;
+       private TransformerFactoryImpl xfrm_factory;
+       
+       public WL2PDF(String homePath, String fopConfigPath) 
+               throws TransformerConfigurationException, SAXException, IOException
+       {               
+               this.fop_factory = FopFactory.newInstance();
+               this.fop_factory.setUserConfig(new File(fopConfigPath));
+               
+               this.xfrm_factory = new TransformerFactoryImpl();
+                               
+               this.wl2fo_tmplt = xfrm_factory.newTemplates( new StreamSource(
+                               new File(homePath, "xslt/wl2fo.xslt") ) );
+               
+               this.norm_tmplt = xfrm_factory.newTemplates( new StreamSource(
+                               new File(homePath, "xslt/normalize.xslt") ) );  
+       }
+       
+       public void process(InputStream ins, OutputStream outs) 
+               throws FOPException, IOException, TransformerException 
+       {
+               FOUserAgent agent = this.fop_factory.newFOUserAgent();
+           Fop fop = this.fop_factory.newFop(MimeConstants.MIME_PDF, agent, outs);
+           
+           TransformerHandler normalize_xfrm = this.xfrm_factory.newTransformerHandler(this.norm_tmplt);
+           TransformerHandler wl2fo_xfrm = xfrm_factory.newTransformerHandler(wl2fo_tmplt);
+           normalize_xfrm.setResult(new SAXResult(wl2fo_xfrm));
+           wl2fo_xfrm.setResult(new SAXResult(fop.getDefaultHandler()));
+           
+           ByteArrayOutputStream filtered = new ByteArrayOutputStream();
+           
+           BufferedReader text_input = new BufferedReader( new InputStreamReader(ins) );
+           String line = null;
+
+           while( (line = text_input.readLine()) != null ) 
+           {
+               if( line.endsWith("/") ) {
+                       filtered.write(line.substring(0, line.length()-1).getBytes());
+                       filtered.write("<br />\n".getBytes());
+               }
+               else {
+                       filtered.write(line.getBytes());
+                       filtered.write("\n".getBytes());
+               }
+           }                   
+
+           ins = new ByteArrayInputStream(filtered.toByteArray());         
+           Transformer xfrm = xfrm_factory.newTransformer();       
+           xfrm.transform( new StreamSource(ins), new SAXResult(normalize_xfrm));              
+       }
+
+       /**
+        * @param args
+        */
+       public static void main(String[] args) 
+       {
+               System.out.println("WLML To PDF converter. Copyright © Łukasz Rekucki under GPLv3 License.");
+               
+               File file = new File(args[1]);
+               String filename = file.getName();
+               String[] base_and_ext = filename.split("\\.", -1);
+               File output = new File(file.getParent(), base_and_ext[0] + ".pdf");
+               
+               System.out.printf("%s -> %s\n", filename, output.getPath());
+                                       
+               try 
+               {                       
+                       WL2PDF app = new WL2PDF(".", args[0]);
+                       InputStream _if = new FileInputStream(file);
+                       OutputStream _of = new FileOutputStream(output);
+                       
+                       app.process(_if, _of);
+                       
+                       _of.close();
+                       _if.close();
+                       System.out.print("Success");
+               }
+               catch(Exception e) {
+                       e.printStackTrace();
+               }                       
+       }
+
+}