チェンジセット 136 : SPARQLBuilderWWW/src/java/org

更新日時:

2014/08/18 19:01:10 (11 年 前)

更新者:

wu

ログメッセージ:

SPServlet basic functions finished

ファイル:

• SPARQLBuilderWWW/src/java/org/biohackathon/SPARQLBuilder/www/SPServlet.java (変更) (4 diff)

SPARQLBuilderWWW/src/java/org/biohackathon/SPARQLBuilder/www/SPServlet.java

@@ -9 +9 @@
 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 +19 @@
 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 +78 @@
         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 +119 @@
     }// </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;
     }
 }