Implement the bridge to call Tatoo from java. Very slow at the moment.

[tatoo.git] / src / bindings / java / TatooTest.java

diff --git a/src/bindings/java/TatooTest.java b/src/bindings/java/TatooTest.java
new file mode 100644 (file)
index 0000000..a8f77ed
--- /dev/null
+++ b/src/bindings/java/TatooTest.java
@@ -0,0 +1,82 @@
+import javax.xml.parsers.DocumentBuilderFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import fxslt.memory.TatooEngine;
+import fxslt.memory.TatooEngine.CustomBlock;
+import fxslt.memory.TatooEngine.Tree;
+import fxslt.memory.TatooEngine.Automaton;
+import fxslt.memory.MutableNodeList;
+
+import javax.xml.transform.*;
+import javax.xml.transform.dom.*;
+import javax.xml.transform.stream.*;
+
+
+public class TatooTest {
+  static long timer;
+  public static void start_timer() {
+    timer = System.nanoTime();
+  }
+  public static void stop_timer (String msg) {
+    long time = System.nanoTime() - timer;
+    System.err.println(msg + " " + time/1000000 + "ms");
+    System.err.flush();
+  }
+
+  public static void main(String args[])
+    {
+
+      try {
+
+       DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+       dbf.setCoalescing(true);
+       dbf.setNamespaceAware(true);
+
+       start_timer();
+       Document doc = dbf.newDocumentBuilder().parse(args[0]);
+       stop_timer("Parsing document");
+
+       MutableNodeList mnl = new MutableNodeList();
+       start_timer();
+       CustomBlock<Tree> tree = TatooEngine.init_document (doc);
+       stop_timer("Initializing document");
+
+       mnl.add(doc);
+
+       start_timer();
+       CustomBlock<Automaton> auto = TatooEngine.compile(args[1]);
+       stop_timer("Compiling query");
+
+       start_timer();
+       NodeList nodes = TatooEngine.evaluate(auto, tree, mnl);
+       stop_timer("Evaluating query");
+
+       if (args.length >= 3 && args[2] == "print" ) {
+         start_timer ();
+         Transformer serializer = TransformerFactory.newInstance().newTransformer();
+         serializer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+         StreamResult o = new StreamResult(System.out);
+         System.out.println("<xml_result num=\"1\">");
+         for(int i = 0; i < nodes.getLength(); i++){
+           Node n = nodes.item(i);
+           switch (n.getNodeType()) {
+           case Node.ATTRIBUTE_NODE:
+             System.out.print (n.getNodeName() + "=" + n.getNodeValue());
+             break;
+           default:
+             serializer.transform(new DOMSource(nodes.item(i)), o);
+             break;
+           };
+           System.out.println();
+         };
+         System.out.println("</xml_result>");
+         stop_timer("Serializing document");
+       }
+       System.err.println("Number of results: " + nodes.getLength());
+      } catch (Exception e) {
+       System.err.println(e);
+      }
+    }
+
+}