public void specificArc(CommandXPathPlus command)
     throws ParserConfigurationException, SAXException, IOException, SQLException,
         ClassNotFoundException {
   if (this.filePrint) {
     this.context.addResult("Using file " + command.getFile());
     this.context.addResult("");
   }
   Expansor expansor = this.getDTS(command);
   Vector<Arc> documentArcs = new Vector<Arc>();
   Vector<Arc> filteredArcs = new Vector<Arc>();
   for (int i = 0; documentSet.size() > i; i++) {
     documentArcs.clear();
     filteredArcs.clear();
     if (this.filePrint)
       this.context.addResult(
           "Arcs from " + ((XmlDocument) documentSet.get(i)).getDocumentName() + ": ");
     documentArcs =
         ((XmlDocument) documentSet.get(i))
             .getArcs(
                 expansor.getInicialDocument(
                     this.startpoint == null ? StartPoint.INSTANCE : this.startpoint.getBase()));
     filteredArcs = expansor.getFilteredArcs(documentArcs, this.arcsFilter);
     for (int j = 0; filteredArcs.size() > j; j++) {
       Arc arc = filteredArcs.get(j);
       if (arc.getLabelFrom().equalsIgnoreCase(command.getElement())
           || (arc.getLabelTo().equalsIgnoreCase(command.getElement()))) {
         if (this.filePrint)
           this.context.addResult(
               "Exist arc between "
                   + arc.getLabelFrom()
                   + " ("
                   + arc.getNodesFrom().size()
                   + ") and "
                   + arc.getLabelTo()
                   + " ("
                   + arc.getNodesTo().size()
                   + ")");
       }
     }
     if (this.filePrint) this.context.addResult("");
     addArcs(filteredArcs);
   }
 }
 //	Arcos de um elemento especifico
 public void execute(CommandXPathPlus command)
     throws ParserConfigurationException, SAXException, IOException, SQLException,
         ClassNotFoundException {
   if (this.filePrint) {
     this.context.addResult("Using file: " + command.getFile());
     this.context.addResult("Using element: " + command.getElement());
     this.context.addResult("Using type: " + command.getType());
   }
   if ("specificArc".equalsIgnoreCase(command.getType())) {
     this.specificArc(command);
   } else if ("sourceArc".equalsIgnoreCase(command.getType())) {
     this.sourceArc(command);
   } else if ("destinationArc".equalsIgnoreCase(command.getType())) {
     this.destinationArc(command);
   }
 }