Metacat

                // check for the existence of a metadatadocid parameter,

                // if this is sent, then send a filename which contains both

                // the metadata docid and the data docid, so the link with

                // metadata is explicitly encoded in the filename.

                String metadatadocid = null;

                Vector<String> nameparts = new Vector<String>();

                if(params.containsKey("metadatadocid")) {

                    metadatadocid = params.get("metadatadocid")[0];

                }

                if (metadatadocid != null && !metadatadocid.equals("")) {

                    nameparts.add(metadatadocid);

                }

                // we'll always have the docid, include it in the name

                String doctype = doc.getDoctype();

								// TODO: fix this to lookup the associated FGDC metadata document,

								// and grab the doctype tag for it.  These should be set to something 

								// consistent, not 'metadata' as it stands...

                //if (!doctype.equals("metadata")) {

                //    nameparts.add(docid);

                //} 

								nameparts.add(docid);

                if (docname != null && !docname.equals("")) {

                    nameparts.add(docname); 

                // combine the name elements with a dash, using a 'join' equivalent

                String outputname = null;

                String delimiter = "-";

                Iterator<String> iter = nameparts.iterator();

                StringBuffer buffer = new StringBuffer(iter.next());

                while (iter.hasNext()) buffer.append(delimiter).append(iter.next());

                outputname = buffer.toString();    

                        "attachment; filename=\"" + outputname + "\"");