Initial revision

[helm.git] / helm / xsltd / xaland-java / xaland.java

diff --git a/helm/xsltd/xaland-java/xaland.java b/helm/xsltd/xaland-java/xaland.java
new file mode 100644 (file)
index 0000000..1b9312c
--- /dev/null
+++ b/helm/xsltd/xaland-java/xaland.java
@@ -0,0 +1,91 @@
+import org.apache.xalan.xslt.*;
+import java.net.*;
+import java.io.*;
+
+public class xaland {
+/*
+   public static void Transform(StylesheetRoot style, String xmlSourceURL, String OutputURL) throws java.io.IOException, java.net.MalformedURLException, org.xml.sax.SAXException
+   {
+      XSLTInputSource xmlSource = new XSLTInputSource (xmlSourceURL);
+      XSLTResultTarget xmlResult = new XSLTResultTarget (OutputURL);
+      style.process(xmlSource, xmlResult);
+   }
+*/
+
+   public static void main(String argv[]) throws  java.io.IOException, java.net.MalformedURLException, org.xml.sax.SAXException
+   {
+      int port    = Integer.parseInt(argv[0]);
+      int port2   = Integer.parseInt(argv[1]);
+      String xsl1 = argv[2];
+      String xsl2 = argv[3];
+      String theory_xsl1 = argv[4];
+      String theory_xsl2 = argv[5];
+
+      XSLTProcessor theory_processor =
+       XSLTProcessorFactory.getProcessor(new org.apache.xalan.xpath.xdom.XercesLiaison());
+      StylesheetRoot theory_style1 =
+         theory_processor.processStylesheet(theory_xsl1);
+      theory_processor.reset();
+      StylesheetRoot theory_style2 =
+         theory_processor.processStylesheet(theory_xsl2);
+      theory_processor.setStylesheet(theory_style2);
+
+      XSLTProcessor processor =
+       XSLTProcessorFactory.getProcessor(new org.apache.xalan.xpath.xdom.XercesLiaison());
+      StylesheetRoot style1 = processor.processStylesheet(xsl1);
+      processor.reset();
+      StylesheetRoot style2 = processor.processStylesheet(xsl2);
+      processor.setStylesheet(style2);
+
+      DatagramSocket socket = new DatagramSocket(port);
+
+      System.out.println("Demon activated on input port " + port +
+       " and output port " + port2);
+      while(true) {
+         System.out.print("Ready...");
+
+         /* Warning: the packet must be a fresh one! */
+         DatagramPacket packet = new DatagramPacket(new byte[1024],1024);
+         socket.receive(packet);
+         byte data[] = packet.getData();
+         int datalen = packet.getLength();
+         String received = new String(data,0,datalen);
+
+         int first = received.indexOf(' ');
+         int last  = received.lastIndexOf(' ');
+         String mode = received.substring(0,first);
+         String input = received.substring(first+1,last);
+         String output = received.substring(last+1);
+
+         System.out.println("request received! Parameters are");
+         System.out.println("Mode: " + mode + " ");
+         System.out.println("Input file: \"" + input + "\"");
+         System.out.println("Output file: \"" + output  + "\"\n");
+
+         if ((new File(output)).exists()) {
+            System.out.println("Using cached version\n");
+         } else {
+            FileOutputStream fout = new FileOutputStream(output);
+            if (mode.equals("cic")) {
+               processor.setDocumentHandler(style2.getSAXSerializer(fout));
+               XSLTResultTarget content = new XSLTResultTarget(processor);
+               style1.process(new XSLTInputSource(input), content);
+            } else if (mode.equals("theory")) {
+               theory_processor.setDocumentHandler(
+                  theory_style2.getSAXSerializer(fout));
+               XSLTResultTarget content =
+                  new XSLTResultTarget(theory_processor);
+               theory_style1.process(new XSLTInputSource(input), content);
+            }
+         }
+
+         InetAddress address = InetAddress.getLocalHost();
+         DatagramSocket socket2 = new DatagramSocket();
+
+         byte buf[] = new byte[0];
+         DatagramPacket packet2 = new DatagramPacket(buf,0,address,port2);
+
+         socket2.send(packet2);
+      }
+   }
+}