1 files changed, 184 insertions, 0 deletions

diff --git a/external/uk/ac/ox/cs/data/PrepareQueries4Hydrowl.java b/external/uk/ac/ox/cs/data/PrepareQueries4Hydrowl.java
new file mode 100644
index 0000000..10f1ac2
--- /dev/null
+++ b/external/uk/ac/ox/cs/data/PrepareQueries4Hydrowl.java
@@ -0,0 +1,184 @@
+package uk.ac.ox.cs.data;
+
+import java.io.*;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.hp.hpl.jena.graph.Node;
+import com.hp.hpl.jena.graph.Node_URI;
+import com.hp.hpl.jena.graph.Node_Variable;
+import com.hp.hpl.jena.query.Query;
+import com.hp.hpl.jena.query.QueryFactory;
+import com.hp.hpl.jena.sparql.core.TriplePath;
+import com.hp.hpl.jena.sparql.core.Var;
+import com.hp.hpl.jena.sparql.syntax.Element;
+import com.hp.hpl.jena.sparql.syntax.ElementAssign;
+import com.hp.hpl.jena.sparql.syntax.ElementBind;
+import com.hp.hpl.jena.sparql.syntax.ElementData;
+import com.hp.hpl.jena.sparql.syntax.ElementDataset;
+import com.hp.hpl.jena.sparql.syntax.ElementExists;
+import com.hp.hpl.jena.sparql.syntax.ElementFilter;
+import com.hp.hpl.jena.sparql.syntax.ElementGroup;
+import com.hp.hpl.jena.sparql.syntax.ElementMinus;
+import com.hp.hpl.jena.sparql.syntax.ElementNamedGraph;
+import com.hp.hpl.jena.sparql.syntax.ElementNotExists;
+import com.hp.hpl.jena.sparql.syntax.ElementOptional;
+import com.hp.hpl.jena.sparql.syntax.ElementPathBlock;
+import com.hp.hpl.jena.sparql.syntax.ElementService;
+import com.hp.hpl.jena.sparql.syntax.ElementSubQuery;
+import com.hp.hpl.jena.sparql.syntax.ElementTriplesBlock;
+import com.hp.hpl.jena.sparql.syntax.ElementUnion;
+import com.hp.hpl.jena.sparql.syntax.ElementVisitor;
+
+import uk.ac.ox.cs.pagoda.query.QueryManager;
+import uk.ac.ox.cs.pagoda.util.Namespace;
+
+public class PrepareQueries4Hydrowl {
+
+        public static void main(String[] args) throws FileNotFoundException {
+                if (args.length == 0)
+//                      args = new String[] {"/media/krr-nas-share/Yujiao/ontologies/dbpedia/queries/atomic_ground.sparql"}; 
+                        args = new String[] {"/home/yzhou/temp/ontologies/reactome/example.sparql"}; 
+//              String fileName = args[0].substring(args[0].lastIndexOf(Utility.FILE_SEPARATOR) + 1); 
+                
+                PrintStream ps = new PrintStream(new File(args[0].replace(".sparql", "_hydrowl.sparql"))); 
+                if (ps != null) System.setOut(ps);
+                
+                StringBuilder sb = new StringBuilder(); 
+                Map<String, Integer> vars = new HashMap<String, Integer>(); 
+                for (String text: QueryManager.collectQueryTexts(args[0])) {
+                        Query query = QueryFactory.create(text);
+                        for (Var var: query.getProjectVars())
+                                sb.append(sb.length() == 0 ? "Q(?" : ",?").append(var.getName());
+                        sb.append(") <- ");
+                        ElementVisitor visitor = new HydrowlGeneratorVisitor(sb); 
+                        query.getQueryPattern().visit(visitor);
+                        sb.setLength(sb.length() - 2);
+                        System.out.println(sb);
+                        sb.setLength(0);
+                        vars.clear();
+                }
+                
+                if (ps != null) ps.close();
+        }
+
+}
+
+class HydrowlGeneratorVisitor implements ElementVisitor {
+        
+        StringBuilder m_text; 
+
+        public HydrowlGeneratorVisitor(StringBuilder text) {
+                m_text = text; 
+        }
+
+        @Override
+        public void visit(ElementTriplesBlock el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementPathBlock el) {
+                // TODO Auto-generated method stub
+                for (TriplePath p: el.getPattern().getList()) {
+                        if (p.getPredicate().getURI().equals(Namespace.RDF_TYPE) && !p.getObject().isVariable()) 
+                                m_text.append(p.getObject().getURI()).append("(").append(getURI(p.getSubject())).append("), "); 
+                        else 
+                                m_text.append(p.getPredicate().getURI()).append("(").append(getURI(p.getSubject())).append(", ").append(getURI(p.getObject())).append("), "); 
+                }               
+        }
+
+        private String getURI(Node node) {
+                if (node instanceof Node_URI) return node.getURI();
+                if (node instanceof Node_Variable) return "?" + node.getName();
+                System.out.println("Unknown node: " + node); 
+                return null;
+        }
+
+        @Override
+        public void visit(ElementFilter el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementAssign el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementBind el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementUnion el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementOptional el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementGroup el) {
+                // TODO Auto-generated method stub
+                for (Element e: el.getElements())
+                        e.visit(this);          
+        }
+
+        @Override
+        public void visit(ElementDataset el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementNamedGraph el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementExists el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementNotExists el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementMinus el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementService el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementSubQuery el) {
+                // TODO Auto-generated method stub
+                
+        }
+
+        @Override
+        public void visit(ElementData el) {
+                // TODO Auto-generated method stub
+                
+        }
+        
+}
\ No newline at end of file