+ /**
+ * Option to avoid unnecessary seeking of nonexistent resources in JavaScript.
+ * Works in Java as well.
+ *
+ * @param loc
+ * @return
+ */
+ public static Locale getLocaleOrNone(Locale loc)
+ {
+ return (isJS && loc.getLanguage() == "en" ? new Locale("") : loc);
+ }
+
+ /**
+ * From UrlDownloadClient; trivial in JavaScript; painful in Java.
+ *
+ * @param urlstring
+ * @param outfile
+ * @throws IOException
+ */
+ public static void download(String urlstring, String outfile)
+ throws IOException
+ {
+ Path temp = null;
+ try (InputStream is = new URL(urlstring).openStream())
+ {
+ if (isJS)
+ { // so much easier!
+ streamToFile(is, new File(outfile));
+ return;
+ }
+ temp = Files.createTempFile(".jalview_", ".tmp");
+ try (FileOutputStream fos = new FileOutputStream(temp.toString());
+ ReadableByteChannel rbc = Channels.newChannel(is))
+ {
+ fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+ // copy tempfile to outfile once our download completes
+ // incase something goes wrong
+ Files.copy(temp, Paths.get(outfile),
+ StandardCopyOption.REPLACE_EXISTING);
+ }
+ } catch (IOException e)
+ {
+ throw e;
+ } finally
+ {
+ try
+ {
+ if (temp != null)
+ {
+ Files.deleteIfExists(temp);
+ }
+ } catch (IOException e)
+ {
+ System.out.println("Exception while deleting download temp file: "
+ + e.getMessage());
+ }
+ }
+ }
+