Index: SPARQLBuilderWWW/src/java/org/biohackathon/SPARQLBuilder/www/SPServlet.java
===================================================================
--- SPARQLBuilderWWW/src/java/org/biohackathon/SPARQLBuilder/www/SPServlet.java (revision 132)
+++ SPARQLBuilderWWW/src/java/org/biohackathon/SPARQLBuilder/www/SPServlet.java (revision 136)
@@ -9,4 +9,8 @@
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.util.Iterator;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;
@@ -15,4 +19,9 @@
 import javax.servlet.http.HttpServletResponse;
 import org.biohackathon.SPARQLBuilder.OWL.*;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+//import javax.json.Json;
 
 /**
@@ -69,6 +78,16 @@
 	PrintWriter out = response.getWriter();
         String jpath = request.getParameter("jsonpath");
-        Path path = convertJ2Path(jpath);
-        String query = convertPath2SPARQL(path);
+        Path path = null;
+        try {
+            path = convertJ2Path(jpath);
+        } catch (JSONException ex) {
+            Logger.getLogger(SPServlet.class.getName()).log(Level.SEVERE, null, ex);
+        }
+        String query = null;
+        try {
+            query = convertPath2SPARQL(path);
+        } catch (Exception ex) {
+            Logger.getLogger(SPServlet.class.getName()).log(Level.SEVERE, null, ex);
+        }
         out.print(query);
     }
@@ -100,10 +119,128 @@
     }// </editor-fold>
 
-    private Path convertJ2Path(String jpath){
-        return null;
-    }
+    private Path convertJ2Path(String jpath) throws JSONException{
+  
+       JSONObject object = new JSONObject(jpath);
+       String startClass = object.getJSONObject("startClassURI").toString();
+       int width = Integer.parseInt(object.getJSONObject("width").toString());
+       JSONArray classLinks = object.getJSONArray("classLinks");
+        JSONObject jsonObject;
+        List <ClassLink> list = null;
+       
+          for (int i=0;i<classLinks.length();i++) 
+            {
+            jsonObject = classLinks.getJSONObject(i);  
+            String propertyURI = jsonObject.getJSONObject("propertyURI").toString();
+            String linkedClassURI = jsonObject.getJSONObject("linkedClassURI").toString(); 
+             String linkedLiteralDatatypeURI = jsonObject.getJSONObject("linkedLiteralDatatypeURI").toString(); 
+            int numOfLinks = Integer.parseInt(jsonObject.getJSONObject("numOfLinks").toString());
+            int numOfLinkedInstances = Integer.parseInt(jsonObject.getJSONObject("numOfLinkedInstances").toString()); 
+            int numOfOriginInstances = Integer.parseInt(jsonObject.getJSONObject("numOfOriginInstances").toString());
+            int numOfOriginClassInstances = Integer.parseInt(jsonObject.getJSONObject("numOfOriginInstances").toString());            
+            int numOfLinkedClassInstances = Integer.parseInt(jsonObject.getJSONObject("numOfLinkedClassInstances").toString()); 
+            
+            ClassLink classLink =new ClassLink(propertyURI, linkedClassURI, linkedLiteralDatatypeURI, null, 
+				 numOfLinks,  numOfOriginInstances,  numOfLinkedInstances,
+				 numOfOriginClassInstances,  numOfLinkedClassInstances,
+				false, false);
+           list.add(classLink);
+           }
+          Path path = new Path(startClass,  list,  width);
+          return path;
+    }
+  
+    private String convertPath2SPARQL(Path path) throws Exception{
+        if( path == null ){
+			throw new Exception("Path is null.");
+		}
+		String startClass = path.getStartClass();
+		List<ClassLink> classLinks = path.getClassLinks();
+		
+		StringBuffer queryStr = new StringBuffer();
+		StringBuffer selStr = new StringBuffer();
+		StringBuffer whereStr = new StringBuffer();
+	//	if(num==0){
+			int num = classLinks.size();
+	//	}
+			
+		queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
+		queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
+				
+		selStr.append("SELECT ");
+		whereStr.append("WHERE { \n");
+
+		String properties = null;
+		String objectClasses = null;
+		String subjectClasses = null;
+		Direction direction = null;
+		int i = 0;
+		int k = 0;
+		for (ClassLink link :classLinks )
+		{
+			properties = link.getPropertyURI();
+			objectClasses = link.getLinkedClassURI();
+			direction = link.getDirection();
+			
+			if (i==0)
+		    subjectClasses = startClass;
+			
+			selStr.append("?c").append(i).append(" ");
+			selStr.append("?l").append(i).append(" ");
+			
+			if(i == classLinks.size())
+				selStr.append("\n");
+			
+			
+			whereStr.append("?c").append(i).
+			append(" rdf:type ").
+			append("<").
+			append(subjectClasses).
+			append(">").
+			append(".\n");
+			
+			whereStr.append("OPTIONAL{\n?c"+i+" rdfs:label ?l"+i+".}\n");
+
+						
+			if(direction == Direction.forward)
+			{
+			whereStr.append("?c").append(i).append(" ");
+			whereStr.append("<").append(properties).append("> ");			
+			whereStr.append("?c").append(i+1).append(".\n");			
+			}
+			else
+			{
+				whereStr.append("?c").append(i+1).append(" ");
+				whereStr.append("<").append(properties).append("> ");
+				whereStr.append("?c").append(i).append(".\n");
+			}
+			
+			subjectClasses = objectClasses;
+			i++;
+			k++;
+			if(k>=num){
+				break;
+			}
+		}
+		
+		selStr.append("?c").append(i).append(" \n");
+		selStr.append("?l").append(i).append(" \n");
+		whereStr.append("?c").append(i).append(" rdf:type ").
+		    append("<").
+		    append(subjectClasses).
+		    append(">").
+			append(".\n");
+		whereStr.append("OPTIONAL{\n?c"+i+" rdfs:label ?l"+i+".}\n");
+	
+					
+		queryStr.append(selStr).append(whereStr);
+		
+		queryStr.append("}");
+		//OPTIONAL
+		queryStr.append("LIMIT 100\n");;
+		
+		//System.out.println(queryStr);
+		return queryStr.toString();
+        
     
-    private String convertPath2SPARQL(Path path){
-        return null;
     }
 }