Changed the way we build the VOSpace node list.

Signed-off-by: Cristiano Urban <cristiano.urban.slack@gmail.com>

transfer_service/retrieve_preprocessor.py

@@ -43,9 +43,13 @@ class RetrievePreprocessor(TaskExecutor):
         super(RetrievePreprocessor, self).__init__()
 
     def execute(self):
-        vospacePathList = self.jobObj.jobInfo["transfer"]["target"]
-        for vospacePath in vospacePathList:
-            self.nodeList.append(vospacePath.split("!vospace")[1])
+        target = self.jobObj.jobInfo["transfer"]["target"].split("!vospace")[1]
+        params = self.jobObj.jobInfo["transfer"]["view"]["param"]      
+        if not params:
+            self.nodeList.append(target)
+        else:
+            for el in params:
+                self.nodeList.append(target + '/' + el["value"])
         self.jobObj.jobInfo["nodeList"] = self.nodeList.copy()
         
     def update(self):