Update RDFS namespace

Workaround for common-workflow-language/cwltool#427

Author: MarkRobbo

src/main/java/org/commonwl/view/cwl/CWLService.java

@@ -260,7 +260,9 @@ public Workflow parseWorkflowWithCwltool(Workflow basicModel,
         if (!rdfService.graphExists(url)) {
             String rdf = cwlTool.getRDF(localPath);
             rdf = rdf.replace("file://" + workTree.toAbsolutePath().toString(),
-                    "https://w3id.org/cwl/v/git" + latestCommit + "/");
+                    "https://w3id.org/cwl/v/git/" + latestCommit);
+            // Workaround for common-workflow-language/cwltool#427
+            rdf = rdf.replace("<rdfs:>", "<http://www.w3.org/2000/01/rdf-schema#>");
 
             // Create a workflow model from RDF representation
             Model model = ModelFactory.createDefaultModel();

src/main/java/org/commonwl/view/cwl/RDFService.java

@@ -38,7 +38,7 @@ public class RDFService {
             "PREFIX sld: <https://w3id.org/cwl/salad#>\n" +
             "PREFIX Workflow: <https://w3id.org/cwl/cwl#Workflow/>\n" +
             "PREFIX DockerRequirement: <https://w3id.org/cwl/cwl#DockerRequirement/>\n" +
-            "PREFIX rdfs: <rdfs:>\n" +
+            "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n" +
             "PREFIX s: <http://schema.org/>";
 
     private String rdfService;
@@ -142,7 +142,7 @@ public ResultSet getLabelAndDoc(String path, String workflowURI) {
 
     /**
      * Get the label for an ontology URL
-     * TODO: can be merged with getLabelAndDoc when cwltool namespace bug is resolved
+     * TODO: can be merged with getLabelAndDoc when common-workflow-language/cwltool#427 is resolved
      * @param ontologyURI The format URI for the ontology
      * @return Result set with label and doc strings
      */