JAL-3321 Last pieces of the getdown-launcher.jar upgrade puzzle
[jalview.git] / src / jalview / bin / Jalview.java
index cc41c53..c1354c7 100755 (executable)
@@ -64,6 +64,8 @@ import java.util.Vector;
 import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
 
+import com.threerings.getdown.util.LaunchUtil;
+
 import groovy.lang.Binding;
 import groovy.util.GroovyScriptEngine;
 
@@ -84,949 +86,749 @@ import groovy.util.GroovyScriptEngine;
  */
 public class Jalview
 {
-  /*
-   * singleton instance of this class
-   */
-  private static Jalview instance;
-
-  private Desktop desktop;
-
-  public static AlignFrame currentAlignFrame;
-
-  static
-  {
-    // grab all the rights we can the JVM
-    Policy.setPolicy(new Policy()
-    {
-      @Override
-      public PermissionCollection getPermissions(CodeSource codesource)
-      {
-        Permissions perms = new Permissions();
-        perms.add(new AllPermission());
-        return (perms);
-      }
-
-      @Override
-      public void refresh()
-      {
-      }
-    });
-  }
-
-  /**
-   * keep track of feature fetching tasks.
-   * 
-   * @author JimP
-   * 
-   */
-  class FeatureFetcher
-  {
-    /*
-     * TODO: generalise to track all jalview events to orchestrate batch
-     * processing events.
-     */
-
-    private int queued = 0;
-
-    private int running = 0;
-
-    public FeatureFetcher()
-    {
-
-    }
-
-    public void addFetcher(final AlignFrame af,
-            final Vector<String> dasSources)
-    {
-      final long id = System.currentTimeMillis();
-      queued++;
-      final FeatureFetcher us = this;
-      new Thread(new Runnable()
-      {
-
-        @Override
-        public void run()
-        {
-          synchronized (us)
-          {
-            queued--;
-            running++;
-          }
-
-          af.setProgressBar(MessageManager
-                  .getString("status.das_features_being_retrived"), id);
-          af.featureSettings_actionPerformed(null);
-          af.setProgressBar(null, id);
-          synchronized (us)
-          {
-            running--;
-          }
-        }
-      }).start();
-    }
-
-    public synchronized boolean allFinished()
-    {
-      return queued == 0 && running == 0;
-    }
-
-  }
-
-  public static Jalview getInstance()
-  {
-    return instance;
-  }
-
-  /**
-   * main class for Jalview application
-   * 
-   * @param args
-   *          open <em>filename</em>
-   */
-  public static void main(String[] args)
-  {
-    instance = new Jalview();
-    instance.doMain(args);
-  }
-
-  /**
-   * @param args
-   */
-  void doMain(String[] args)
-  {
-    System.setSecurityManager(null);
-    System.out
-            .println("Java version: " + System.getProperty("java.version"));
-    System.out.println(System.getProperty("os.arch") + " "
-            + System.getProperty("os.name") + " "
-            + System.getProperty("os.version"));
-
-    ArgsParser aparser = new ArgsParser(args);
-    boolean headless = false;
-
-    if (aparser.contains("help") || aparser.contains("h"))
-    {
-      showUsage();
-      System.exit(0);
-    }
-    if (aparser.contains("nodisplay") || aparser.contains("nogui")
-            || aparser.contains("headless"))
-    {
-      System.setProperty("java.awt.headless", "true");
-      headless = true;
-    }
-    String usrPropsFile = aparser.getValue("props");
-    Cache.loadProperties(usrPropsFile); // must do this before
-    if (usrPropsFile != null)
-    {
-      System.out.println(
-              "CMD [-props " + usrPropsFile + "] executed successfully!");
-    }
-
-    // anything else!
-
-    final String jabawsUrl = aparser.getValue("jabaws");
-    if (jabawsUrl != null)
-    {
-      try
-      {
-        Jws2Discoverer.getDiscoverer().setPreferredUrl(jabawsUrl);
-        System.out.println(
-                "CMD [-jabaws " + jabawsUrl + "] executed successfully!");
-      } catch (MalformedURLException e)
-      {
-        System.err.println(
-                "Invalid jabaws parameter: " + jabawsUrl + " ignored");
-      }
-    }
-
-    String defs = aparser.getValue("setprop");
-    while (defs != null)
-    {
-      int p = defs.indexOf('=');
-      if (p == -1)
-      {
-        System.err.println("Ignoring invalid setprop argument : " + defs);
-      }
-      else
-      {
-        System.out.println("Executing setprop argument: " + defs);
-        // DISABLED FOR SECURITY REASONS
-        // TODO: add a property to allow properties to be overriden by cli args
-        // Cache.setProperty(defs.substring(0,p), defs.substring(p+1));
-      }
-      defs = aparser.getValue("setprop");
-    }
-    if (System.getProperty("java.awt.headless") != null
-            && System.getProperty("java.awt.headless").equals("true"))
-    {
-      headless = true;
-    }
-    System.setProperty("http.agent",
-            "Jalview Desktop/" + Cache.getDefault("VERSION", "Unknown"));
-    try
-    {
-      Cache.initLogger();
-    } catch (NoClassDefFoundError error)
-    {
-      error.printStackTrace();
-      System.out.println("\nEssential logging libraries not found."
-              + "\nUse: java -classpath \"$PATH_TO_LIB$/*:$PATH_TO_CLASSES$\" jalview.bin.Jalview");
-      System.exit(0);
-    }
-
-    desktop = null;
-
-    try
-    {
-      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
-    } catch (Exception ex)
-    {
-      System.err.println("Unexpected Look and Feel Exception");
-      ex.printStackTrace();
-    }
-    if (Platform.isAMac())
-    {
-
-      LookAndFeel lookAndFeel = ch.randelshofer.quaqua.QuaquaManager
-              .getLookAndFeel();
-      System.setProperty("com.apple.mrj.application.apple.menu.about.name",
-              "Jalview");
-      System.setProperty("apple.laf.useScreenMenuBar", "true");
-      if (lookAndFeel != null)
-      {
-        try
-        {
-          UIManager.setLookAndFeel(lookAndFeel);
-        } catch (Throwable e)
-        {
-          System.err.println(
-                  "Failed to set QuaQua look and feel: " + e.toString());
-        }
-      }
-      if (lookAndFeel == null || !(lookAndFeel.getClass()
-              .isAssignableFrom(UIManager.getLookAndFeel().getClass()))
-              || !UIManager.getLookAndFeel().getClass().toString()
-                      .toLowerCase().contains("quaqua"))
-      {
-        try
-        {
-          System.err.println(
-                  "Quaqua LaF not available on this plaform. Using VAqua(4).\nSee https://issues.jalview.org/browse/JAL-2976");
-          UIManager.setLookAndFeel("org.violetlib.aqua.AquaLookAndFeel");
-        } catch (Throwable e)
-        {
-          System.err.println(
-                  "Failed to reset look and feel: " + e.toString());
-        }
-      }
-    }
-
-    /*
-     * configure 'full' SO model if preferences say to, 
-     * else use the default (SO Lite)
-     */
-    if (Cache.getDefault("USE_FULL_SO", false))
-    {
-      SequenceOntologyFactory.setInstance(new SequenceOntology());
-    }
-
-    if (!headless)
-    {
-      desktop = new Desktop();
-      desktop.setInBatchMode(true); // indicate we are starting up
-      desktop.setVisible(true);
-      desktop.startServiceDiscovery();
-      if (!aparser.contains("nousagestats"))
-      {
-        startUsageStats(desktop);
-      }
-      else
-      {
-        System.err.println("CMD [-nousagestats] executed successfully!");
-      }
-
-      if (!aparser.contains("noquestionnaire"))
-      {
-        String url = aparser.getValue("questionnaire");
-        if (url != null)
-        {
-          // Start the desktop questionnaire prompter with the specified
-          // questionnaire
-          Cache.log.debug("Starting questionnaire url at " + url);
-          desktop.checkForQuestionnaire(url);
-          System.out.println(
-                  "CMD questionnaire[-" + url + "] executed successfully!");
-        }
-        else
-        {
-          if (Cache.getProperty("NOQUESTIONNAIRES") == null)
-          {
-            // Start the desktop questionnaire prompter with the specified
-            // questionnaire
-            // String defurl =
-            // "http://anaplog.compbio.dundee.ac.uk/cgi-bin/questionnaire.pl";
-            // //
-            String defurl = "http://www.jalview.org/cgi-bin/questionnaire.pl";
-            Cache.log.debug(
-                    "Starting questionnaire with default url: " + defurl);
-            desktop.checkForQuestionnaire(defurl);
-          }
-        }
-      }
-      else
-      {
-        System.err.println("CMD [-noquestionnaire] executed successfully!");
-      }
-
-      if (!aparser.contains("nonews"))
-      {
-        desktop.checkForNews();
-      }
-
-      BioJsHTMLOutput.updateBioJS();
-    }
-
-    String file = null, data = null;
-    FileFormatI format = null;
-    DataSourceType protocol = null;
-    FileLoader fileLoader = new FileLoader(!headless);
-
-    String groovyscript = null; // script to execute after all loading is
-    // completed one way or another
-    // extract groovy argument and execute if necessary
-    groovyscript = aparser.getValue("groovy", true);
-    file = aparser.getValue("open", true);
-
-    if (file == null && desktop == null)
-    {
-      System.out.println("No files to open!");
-      System.exit(1);
-    }
-    String vamsasImport = aparser.getValue("vdoc");
-    String vamsasSession = aparser.getValue("vsess");
-    if (vamsasImport != null || vamsasSession != null)
-    {
-      if (desktop == null || headless)
-      {
-        System.out.println(
-                "Headless vamsas sessions not yet supported. Sorry.");
-        System.exit(1);
-      }
-      // if we have a file, start a new session and import it.
-      boolean inSession = false;
-      if (vamsasImport != null)
-      {
-        try
-        {
-          DataSourceType viprotocol = AppletFormatAdapter
-                  .checkProtocol(vamsasImport);
-          if (viprotocol == DataSourceType.FILE)
-          {
-            inSession = desktop.vamsasImport(new File(vamsasImport));
-          }
-          else if (viprotocol == DataSourceType.URL)
-          {
-            inSession = desktop.vamsasImport(new URL(vamsasImport));
-          }
-
-        } catch (Exception e)
-        {
-          System.err.println("Exeption when importing " + vamsasImport
-                  + " as a vamsas document.");
-          e.printStackTrace();
-        }
-        if (!inSession)
-        {
-          System.err.println("Failed to import " + vamsasImport
-                  + " as a vamsas document.");
-        }
-        else
-        {
-          System.out.println("Imported Successfully into new session "
-                  + desktop.getVamsasApplication().getCurrentSession());
-        }
-      }
-      if (vamsasSession != null)
-      {
-        if (vamsasImport != null)
-        {
-          // close the newly imported session and import the Jalview specific
-          // remnants into the new session later on.
-          desktop.vamsasStop_actionPerformed(null);
-        }
-        // now join the new session
-        try
-        {
-          if (desktop.joinVamsasSession(vamsasSession))
-          {
-            System.out.println(
-                    "Successfully joined vamsas session " + vamsasSession);
-          }
-          else
-          {
-            System.err.println("WARNING: Failed to join vamsas session "
-                    + vamsasSession);
-          }
-        } catch (Exception e)
-        {
-          System.err.println(
-                  "ERROR: Failed to join vamsas session " + vamsasSession);
-          e.printStackTrace();
-        }
-        if (vamsasImport != null)
-        {
-          // the Jalview specific remnants can now be imported into the new
-          // session at the user's leisure.
-          Cache.log.info(
-                  "Skipping Push for import of data into existing vamsas session."); // TODO:
-          // enable
-          // this
-          // when
-          // debugged
-          // desktop.getVamsasApplication().push_update();
-        }
-      }
-    }
-    long progress = -1;
-    // Finally, deal with the remaining input data.
-    if (file != null)
-    {
-      if (!headless)
-      {
-        desktop.setProgressBar(
-                MessageManager
-                        .getString("status.processing_commandline_args"),
-                progress = System.currentTimeMillis());
-      }
-      System.out.println("CMD [-open " + file + "] executed successfully!");
-
-      if (!file.startsWith("http://"))
-      {
-        if (!(new File(file)).exists())
-        {
-          System.out.println("Can't find " + file);
-          if (headless)
-          {
-            System.exit(1);
-          }
-        }
-      }
-
-      protocol = AppletFormatAdapter.checkProtocol(file);
-
-      try
-      {
-        format = new IdentifyFile().identify(file, protocol);
-      } catch (FileFormatException e1)
-      {
-        // TODO ?
-      }
-
-      AlignFrame af = fileLoader.LoadFileWaitTillLoaded(file, protocol,
-              format);
-      if (af == null)
-      {
-        System.out.println("error");
-      }
-      else
-      {
-        setCurrentAlignFrame(af);
-        data = aparser.getValue("colour", true);
-        if (data != null)
-        {
-          data.replaceAll("%20", " ");
-
-          ColourSchemeI cs = ColourSchemeProperty
-                  .getColourScheme(af.getViewport(),
-                          af.getViewport().getAlignment(), data);
-
-          if (cs != null)
-          {
-            System.out.println(
-                    "CMD [-color " + data + "] executed successfully!");
-          }
-          af.changeColour(cs);
-        }
-
-        // Must maintain ability to use the groups flag
-        data = aparser.getValue("groups", true);
-        if (data != null)
-        {
-          af.parseFeaturesFile(data,
-                  AppletFormatAdapter.checkProtocol(data));
-          // System.out.println("Added " + data);
-          System.out.println(
-                  "CMD groups[-" + data + "]  executed successfully!");
-        }
-        data = aparser.getValue("features", true);
-        if (data != null)
-        {
-          af.parseFeaturesFile(data,
-                  AppletFormatAdapter.checkProtocol(data));
-          // System.out.println("Added " + data);
-          System.out.println(
-                  "CMD [-features " + data + "]  executed successfully!");
-        }
-
-        data = aparser.getValue("annotations", true);
-        if (data != null)
-        {
-          af.loadJalviewDataFile(data, null, null, null);
-          // System.out.println("Added " + data);
-          System.out.println(
-                  "CMD [-annotations " + data + "] executed successfully!");
-        }
-        // set or clear the sortbytree flag.
-        if (aparser.contains("sortbytree"))
-        {
-          af.getViewport().setSortByTree(true);
-          if (af.getViewport().getSortByTree())
-          {
-            System.out.println("CMD [-sortbytree] executed successfully!");
-          }
-        }
-        if (aparser.contains("no-annotation"))
-        {
-          af.getViewport().setShowAnnotation(false);
-          if (!af.getViewport().isShowAnnotation())
-          {
-            System.out.println("CMD no-annotation executed successfully!");
-          }
-        }
-        if (aparser.contains("nosortbytree"))
-        {
-          af.getViewport().setSortByTree(false);
-          if (!af.getViewport().getSortByTree())
-          {
-            System.out
-                    .println("CMD [-nosortbytree] executed successfully!");
-          }
-        }
-        data = aparser.getValue("tree", true);
-        if (data != null)
-        {
-          try
-          {
-            System.out.println(
-                    "CMD [-tree " + data + "] executed successfully!");
-            NewickFile nf = new NewickFile(data,
-                    AppletFormatAdapter.checkProtocol(data));
-            af.getViewport()
-                    .setCurrentTree(af.showNewickTree(nf, data).getTree());
-          } catch (IOException ex)
-          {
-            System.err.println("Couldn't add tree " + data);
-            ex.printStackTrace(System.err);
-          }
-        }
-        // TODO - load PDB structure(s) to alignment JAL-629
-        // (associate with identical sequence in alignment, or a specified
-        // sequence)
-        if (groovyscript != null)
-        {
-          // Execute the groovy script after we've done all the rendering stuff
-          // and before any images or figures are generated.
-          System.out.println("Executing script " + groovyscript);
-          executeGroovyScript(groovyscript, af);
-          System.out.println("CMD groovy[" + groovyscript
-                  + "] executed successfully!");
-          groovyscript = null;
-        }
-        String imageName = "unnamed.png";
-        while (aparser.getSize() > 1)
-        {
-          String outputFormat = aparser.nextValue();
-          file = aparser.nextValue();
-
-          if (outputFormat.equalsIgnoreCase("png"))
-          {
-            af.createPNG(new File(file));
-            imageName = (new File(file)).getName();
-            System.out.println("Creating PNG image: " + file);
-            continue;
-          }
-          else if (outputFormat.equalsIgnoreCase("svg"))
-          {
-            File imageFile = new File(file);
-            imageName = imageFile.getName();
-            af.createSVG(imageFile);
-            System.out.println("Creating SVG image: " + file);
-            continue;
-          }
-          else if (outputFormat.equalsIgnoreCase("html"))
-          {
-            File imageFile = new File(file);
-            imageName = imageFile.getName();
-            HtmlSvgOutput htmlSVG = new HtmlSvgOutput(af.alignPanel);
-            htmlSVG.exportHTML(file);
-
-            System.out.println("Creating HTML image: " + file);
-            continue;
-          }
-          else if (outputFormat.equalsIgnoreCase("biojsmsa"))
-          {
-            if (file == null)
-            {
-              System.err.println("The output html file must not be null");
-              return;
-            }
-            try
-            {
-              BioJsHTMLOutput.refreshVersionInfo(
-                      BioJsHTMLOutput.BJS_TEMPLATES_LOCAL_DIRECTORY);
-            } catch (URISyntaxException e)
-            {
-              e.printStackTrace();
-            }
-            BioJsHTMLOutput bjs = new BioJsHTMLOutput(af.alignPanel);
-            bjs.exportHTML(file);
-            System.out
-                    .println("Creating BioJS MSA Viwer HTML file: " + file);
-            continue;
-          }
-          else if (outputFormat.equalsIgnoreCase("imgMap"))
-          {
-            af.createImageMap(new File(file), imageName);
-            System.out.println("Creating image map: " + file);
-            continue;
-          }
-          else if (outputFormat.equalsIgnoreCase("eps"))
-          {
-            File outputFile = new File(file);
-            System.out.println(
-                    "Creating EPS file: " + outputFile.getAbsolutePath());
-            af.createEPS(outputFile);
-            continue;
-          }
-
-          if (af.saveAlignment(file, format))
-          {
-            System.out.println("Written alignment in " + format
-                    + " format to " + file);
-          }
-          else
-          {
-            System.out.println("Error writing file " + file + " in "
-                    + format + " format!!");
-          }
-
-        }
-
-        while (aparser.getSize() > 0)
-        {
-          System.out.println("Unknown arg: " + aparser.nextValue());
-        }
-      }
-    }
-    AlignFrame startUpAlframe = null;
-    // We'll only open the default file if the desktop is visible.
-    // And the user
-    // ////////////////////
-
-    if (!headless && file == null && vamsasImport == null
-            && jalview.bin.Cache.getDefault("SHOW_STARTUP_FILE", true))
-    {
-      file = jalview.bin.Cache.getDefault("STARTUP_FILE",
-              jalview.bin.Cache.getDefault("www.jalview.org",
-                      "http://www.jalview.org")
-                      + "/examples/exampleFile_2_7.jar");
-      if (file.equals(
-              "http://www.jalview.org/examples/exampleFile_2_3.jar"))
-      {
-        // hardwire upgrade of the startup file
-        file.replace("_2_3.jar", "_2_7.jar");
-        // and remove the stale setting
-        jalview.bin.Cache.removeProperty("STARTUP_FILE");
-      }
-
-      protocol = DataSourceType.FILE;
-
-      if (file.indexOf("http:") > -1)
-      {
-        protocol = DataSourceType.URL;
-      }
-
-      if (file.endsWith(".jar"))
-      {
-        format = FileFormat.Jalview;
-      }
-      else
-      {
-        try
-        {
-          format = new IdentifyFile().identify(file, protocol);
-        } catch (FileFormatException e)
-        {
-          // TODO what?
-        }
-      }
-
-      startUpAlframe = fileLoader.LoadFileWaitTillLoaded(file, protocol,
-              format);
-      // extract groovy arguments before anything else.
-    }
-
-    // Once all other stuff is done, execute any groovy scripts (in order)
-    if (groovyscript != null)
-    {
-      if (Cache.groovyJarsPresent())
-      {
-        System.out.println("Executing script " + groovyscript);
-        executeGroovyScript(groovyscript, startUpAlframe);
-      }
-      else
-      {
-        System.err.println(
-                "Sorry. Groovy Support is not available, so ignoring the provided groovy script "
-                        + groovyscript);
-      }
-    }
-    // and finally, turn off batch mode indicator - if the desktop still exists
-    if (desktop != null)
-    {
-      if (progress != -1)
-      {
-        desktop.setProgressBar(null, progress);
-      }
-      desktop.setInBatchMode(false);
-    }
-  }
-
-  private static void showUsage()
-  {
-    System.out.println(
-            "Usage: jalview -open [FILE] [OUTPUT_FORMAT] [OUTPUT_FILE]\n\n"
-                    + "-nodisplay\tRun Jalview without User Interface.\n"
-                    + "-props FILE\tUse the given Jalview properties file instead of users default.\n"
-                    + "-colour COLOURSCHEME\tThe colourscheme to be applied to the alignment\n"
-                    + "-annotations FILE\tAdd precalculated annotations to the alignment.\n"
-                    + "-tree FILE\tLoad the given newick format tree file onto the alignment\n"
-                    + "-features FILE\tUse the given file to mark features on the alignment.\n"
-                    + "-fasta FILE\tCreate alignment file FILE in Fasta format.\n"
-                    + "-clustal FILE\tCreate alignment file FILE in Clustal format.\n"
-                    + "-pfam FILE\tCreate alignment file FILE in PFAM format.\n"
-                    + "-msf FILE\tCreate alignment file FILE in MSF format.\n"
-                    + "-pileup FILE\tCreate alignment file FILE in Pileup format\n"
-                    + "-pir FILE\tCreate alignment file FILE in PIR format.\n"
-                    + "-blc FILE\tCreate alignment file FILE in BLC format.\n"
-                    + "-json FILE\tCreate alignment file FILE in JSON format.\n"
-                    + "-jalview FILE\tCreate alignment file FILE in Jalview format.\n"
-                    + "-png FILE\tCreate PNG image FILE from alignment.\n"
-                    + "-svg FILE\tCreate SVG image FILE from alignment.\n"
-                    + "-html FILE\tCreate HTML file from alignment.\n"
-                    + "-biojsMSA FILE\tCreate BioJS MSA Viewer HTML file from alignment.\n"
-                    + "-imgMap FILE\tCreate HTML file FILE with image map of PNG image.\n"
-                    + "-eps FILE\tCreate EPS file FILE from alignment.\n"
-                    + "-questionnaire URL\tQueries the given URL for information about any Jalview user questionnaires.\n"
-                    + "-noquestionnaire\tTurn off questionnaire check.\n"
-                    + "-nonews\tTurn off check for Jalview news.\n"
-                    + "-nousagestats\tTurn off google analytics tracking for this session.\n"
-                    + "-sortbytree OR -nosortbytree\tEnable or disable sorting of the given alignment by the given tree\n"
-                    // +
-                    // "-setprop PROPERTY=VALUE\tSet the given Jalview property,
-                    // after all other properties files have been read\n\t
-                    // (quote the 'PROPERTY=VALUE' pair to ensure spaces are
-                    // passed in correctly)"
-                    + "-jabaws URL\tSpecify URL for Jabaws services (e.g. for a local installation).\n"
-                    + "-fetchfrom nickname\tQuery nickname for features for the alignments and display them.\n"
-                    // +
-                    // "-vdoc vamsas-document\tImport vamsas document into new
-                    // session or join existing session with same URN\n"
-                    // + "-vses vamsas-session\tJoin session with given URN\n"
-                    + "-groovy FILE\tExecute groovy script in FILE, after all other arguments have been processed (if FILE is the text 'STDIN' then the file will be read from STDIN)\n"
-                    + "\n~Read documentation in Application or visit http://www.jalview.org for description of Features and Annotations file~\n\n");
-  }
-
-  private static void startUsageStats(final Desktop desktop)
-  {
-    /**
-     * start a User Config prompt asking if we can log usage statistics.
-     */
-    PromptUserConfig prompter = new PromptUserConfig(Desktop.desktop,
-            "USAGESTATS", "Jalview Usage Statistics",
-            "Do you want to help make Jalview better by enabling "
-                    + "the collection of usage statistics with Google Analytics ?"
-                    + "\n\n(you can enable or disable usage tracking in the preferences)",
-            new Runnable()
-            {
-              @Override
-              public void run()
-              {
-                Cache.log.debug(
-                        "Initialising googletracker for usage stats.");
-                Cache.initGoogleTracker();
-                Cache.log.debug("Tracking enabled.");
-              }
-            }, new Runnable()
-            {
-              @Override
-              public void run()
-              {
-                Cache.log.debug("Not enabling Google Tracking.");
-              }
-            }, null, true);
-    desktop.addDialogThread(prompter);
-  }
-
-  /**
-   * Locate the given string as a file and pass it to the groovy interpreter.
-   * 
-   * @param groovyscript
-   *          the script to execute
-   * @param jalviewContext
-   *          the Jalview Desktop object passed in to the groovy binding as the
-   *          'Jalview' object.
-   */
-  private void executeGroovyScript(String groovyscript, AlignFrame af)
-  {
-    /**
-     * for scripts contained in files
-     */
-    File tfile = null;
-    /**
-     * script's URI
-     */
-    URL sfile = null;
-    if (groovyscript.trim().equals("STDIN"))
-    {
-      // read from stdin into a tempfile and execute it
-      try
-      {
-        tfile = File.createTempFile("jalview", "groovy");
-        PrintWriter outfile = new PrintWriter(
-                new OutputStreamWriter(new FileOutputStream(tfile)));
-        BufferedReader br = new BufferedReader(
-                new InputStreamReader(System.in));
-        String line = null;
-        while ((line = br.readLine()) != null)
-        {
-          outfile.write(line + "\n");
-        }
-        br.close();
-        outfile.flush();
-        outfile.close();
-
-      } catch (Exception ex)
-      {
-        System.err.println("Failed to read from STDIN into tempfile "
-                + ((tfile == null) ? "(tempfile wasn't created)"
-                        : tfile.toString()));
-        ex.printStackTrace();
-        return;
-      }
-      try
-      {
-        sfile = tfile.toURI().toURL();
-      } catch (Exception x)
-      {
-        System.err.println(
-                "Unexpected Malformed URL Exception for temporary file created from STDIN: "
-                        + tfile.toURI());
-        x.printStackTrace();
-        return;
-      }
-    }
-    else
-    {
-      try
-      {
-        sfile = new URI(groovyscript).toURL();
-      } catch (Exception x)
-      {
-        tfile = new File(groovyscript);
-        if (!tfile.exists())
-        {
-          System.err.println("File '" + groovyscript + "' does not exist.");
-          return;
-        }
-        if (!tfile.canRead())
-        {
-          System.err.println("File '" + groovyscript + "' cannot be read.");
-          return;
-        }
-        if (tfile.length() < 1)
-        {
-          System.err.println("File '" + groovyscript + "' is empty.");
-          return;
-        }
-        try
-        {
-          sfile = tfile.getAbsoluteFile().toURI().toURL();
-        } catch (Exception ex)
-        {
-          System.err.println("Failed to create a file URL for "
-                  + tfile.getAbsoluteFile());
-          return;
-        }
-      }
-    }
-    try
-    {
-      Map<String, Object> vbinding = new HashMap<>();
-      vbinding.put("Jalview", this);
-      if (af != null)
-      {
-        vbinding.put("currentAlFrame", af);
-      }
-      Binding gbinding = new Binding(vbinding);
-      GroovyScriptEngine gse = new GroovyScriptEngine(new URL[] { sfile });
-      gse.run(sfile.toString(), gbinding);
-      if ("STDIN".equals(groovyscript))
-      {
-        // delete temp file that we made -
-        // only if it was successfully executed
-        tfile.delete();
-      }
-    } catch (Exception e)
-    {
-      System.err.println("Exception Whilst trying to execute file " + sfile
-              + " as a groovy script.");
-      e.printStackTrace(System.err);
-
-    }
-  }
-
-  public static boolean isHeadlessMode()
-  {
-    String isheadless = System.getProperty("java.awt.headless");
-    if (isheadless != null && isheadless.equalsIgnoreCase("true"))
-    {
-      return true;
-    }
-    return false;
-  }
-
-  public AlignFrame[] getAlignFrames()
-  {
-    return desktop == null ? new AlignFrame[] { getCurrentAlignFrame() }
-            : Desktop.getAlignFrames();
-
-  }
-
-  /**
-   * Quit method delegates to Desktop.quit - unless running in headless mode
-   * when it just ends the JVM
-   */
-  public void quit()
-  {
-    if (desktop != null)
-    {
-      desktop.quit();
-    }
-    else
-    {
-      System.exit(0);
-    }
-  }
-
-  public static AlignFrame getCurrentAlignFrame()
-  {
-    return Jalview.currentAlignFrame;
-  }
-
-  public static void setCurrentAlignFrame(AlignFrame currentAlignFrame)
-  {
-    Jalview.currentAlignFrame = currentAlignFrame;
-  }
+       /*
+        * singleton instance of this class
+        */
+       private static Jalview instance;
+
+       private Desktop desktop;
+
+       public static AlignFrame currentAlignFrame;
+
+       static {
+               // grab all the rights we can the JVM
+               Policy.setPolicy(new Policy() {
+                       @Override
+                       public PermissionCollection getPermissions(CodeSource codesource) {
+                               Permissions perms = new Permissions();
+                               perms.add(new AllPermission());
+                               return (perms);
+                       }
+
+                       @Override
+                       public void refresh() {
+                       }
+               });
+       }
+
+       /**
+        * keep track of feature fetching tasks.
+        * 
+        * @author JimP
+        * 
+        */
+       class FeatureFetcher {
+               /*
+                * TODO: generalise to track all jalview events to orchestrate batch processing
+                * events.
+                */
+
+               private int queued = 0;
+
+               private int running = 0;
+
+               public FeatureFetcher() {
+
+               }
+
+               public void addFetcher(final AlignFrame af, final Vector<String> dasSources) {
+                       final long id = System.currentTimeMillis();
+                       queued++;
+                       final FeatureFetcher us = this;
+                       new Thread(new Runnable() {
+
+                               @Override
+                               public void run() {
+                                       synchronized (us) {
+                                               queued--;
+                                               running++;
+                                       }
+
+                                       af.setProgressBar(MessageManager.getString("status.das_features_being_retrived"), id);
+                                       af.featureSettings_actionPerformed(null);
+                                       af.setProgressBar(null, id);
+                                       synchronized (us) {
+                                               running--;
+                                       }
+                               }
+                       }).start();
+               }
+
+               public synchronized boolean allFinished() {
+                       return queued == 0 && running == 0;
+               }
+
+       }
+
+       public static Jalview getInstance() {
+               return instance;
+       }
+
+       /**
+        * main class for Jalview application
+        * 
+        * @param args open <em>filename</em>
+        */
+       public static void main(String[] args) {
+               instance = new Jalview();
+               instance.doMain(args);
+       }
+
+       /**
+        * @param args
+        */
+       void doMain(String[] args) {
+               System.setSecurityManager(null);
+               System.out.println("Java version: " + System.getProperty("java.version"));
+               System.out.println(System.getProperty("os.arch") + " " + System.getProperty("os.name") + " "
+                               + System.getProperty("os.version"));
+               // report Jalview version
+               Cache.loadBuildProperties(true);
+
+               ArgsParser aparser = new ArgsParser(args);
+               boolean headless = false;
+
+               if (aparser.contains("help") || aparser.contains("h")) {
+                       showUsage();
+                       System.exit(0);
+               }
+               if (aparser.contains("nodisplay") || aparser.contains("nogui") || aparser.contains("headless")) {
+                       System.setProperty("java.awt.headless", "true");
+                       headless = true;
+               }
+               String usrPropsFile = aparser.getValue("props");
+               Cache.loadProperties(usrPropsFile); // must do this before
+               if (usrPropsFile != null) {
+                       System.out.println("CMD [-props " + usrPropsFile + "] executed successfully!");
+               }
+
+               // anything else!
+
+               final String jabawsUrl = aparser.getValue("jabaws");
+               if (jabawsUrl != null) {
+                       try {
+                               Jws2Discoverer.getDiscoverer().setPreferredUrl(jabawsUrl);
+                               System.out.println("CMD [-jabaws " + jabawsUrl + "] executed successfully!");
+                       } catch (MalformedURLException e) {
+                               System.err.println("Invalid jabaws parameter: " + jabawsUrl + " ignored");
+                       }
+               }
+
+               String defs = aparser.getValue("setprop");
+               while (defs != null) {
+                       int p = defs.indexOf('=');
+                       if (p == -1) {
+                               System.err.println("Ignoring invalid setprop argument : " + defs);
+                       } else {
+                               System.out.println("Executing setprop argument: " + defs);
+                               // DISABLED FOR SECURITY REASONS
+                               // TODO: add a property to allow properties to be overriden by cli args
+                               // Cache.setProperty(defs.substring(0,p), defs.substring(p+1));
+                       }
+                       defs = aparser.getValue("setprop");
+               }
+               if (System.getProperty("java.awt.headless") != null && System.getProperty("java.awt.headless").equals("true")) {
+                       headless = true;
+               }
+               System.setProperty("http.agent", "Jalview Desktop/" + Cache.getDefault("VERSION", "Unknown"));
+               try {
+                       Cache.initLogger();
+               } catch (NoClassDefFoundError error) {
+                       error.printStackTrace();
+                       System.out.println("\nEssential logging libraries not found."
+                                       + "\nUse: java -classpath \"$PATH_TO_LIB$/*:$PATH_TO_CLASSES$\" jalview.bin.Jalview");
+                       System.exit(0);
+               }
+
+               desktop = null;
+
+               try {
+                       UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+               } catch (Exception ex) {
+                       System.err.println("Unexpected Look and Feel Exception");
+                       ex.printStackTrace();
+               }
+               if (Platform.isAMac()) {
+
+                       LookAndFeel lookAndFeel = ch.randelshofer.quaqua.QuaquaManager.getLookAndFeel();
+                       System.setProperty("com.apple.mrj.application.apple.menu.about.name", "Jalview");
+                       System.setProperty("apple.laf.useScreenMenuBar", "true");
+                       if (lookAndFeel != null) {
+                               try {
+                                       UIManager.setLookAndFeel(lookAndFeel);
+                               } catch (Throwable e) {
+                                       System.err.println("Failed to set QuaQua look and feel: " + e.toString());
+                               }
+                       }
+                       if (lookAndFeel == null || !(lookAndFeel.getClass().isAssignableFrom(UIManager.getLookAndFeel().getClass()))
+                                       || !UIManager.getLookAndFeel().getClass().toString().toLowerCase().contains("quaqua")) {
+                               try {
+                                       System.err.println(
+                                                       "Quaqua LaF not available on this plaform. Using VAqua(4).\nSee https://issues.jalview.org/browse/JAL-2976");
+                                       UIManager.setLookAndFeel("org.violetlib.aqua.AquaLookAndFeel");
+                               } catch (Throwable e) {
+                                       System.err.println("Failed to reset look and feel: " + e.toString());
+                               }
+                       }
+               }
+
+               /*
+                * configure 'full' SO model if preferences say to, else use the default (SO
+                * Lite)
+                */
+               if (Cache.getDefault("USE_FULL_SO", false)) {
+                       SequenceOntologyFactory.setInstance(new SequenceOntology());
+               }
+
+               if (!headless) {
+                       desktop = new Desktop();
+                       desktop.setInBatchMode(true); // indicate we are starting up
+
+                       try {
+                               JalviewTaskbar.setTaskbar(this);
+                       } catch (Exception e) {
+                               System.out.println("Cannot set Taskbar");
+                               // e.printStackTrace();
+                       } catch (Throwable t) {
+                               System.out.println("Cannot set Taskbar");
+                               // t.printStackTrace();
+                       }
+
+                       desktop.setVisible(true);
+                       desktop.startServiceDiscovery();
+                       if (!aparser.contains("nousagestats")) {
+                               startUsageStats(desktop);
+                       } else {
+                               System.err.println("CMD [-nousagestats] executed successfully!");
+                       }
+
+                       if (!aparser.contains("noquestionnaire")) {
+                               String url = aparser.getValue("questionnaire");
+                               if (url != null) {
+                                       // Start the desktop questionnaire prompter with the specified
+                                       // questionnaire
+                                       Cache.log.debug("Starting questionnaire url at " + url);
+                                       desktop.checkForQuestionnaire(url);
+                                       System.out.println("CMD questionnaire[-" + url + "] executed successfully!");
+                               } else {
+                                       if (Cache.getProperty("NOQUESTIONNAIRES") == null) {
+                                               // Start the desktop questionnaire prompter with the specified
+                                               // questionnaire
+                                               // String defurl =
+                                               // "http://anaplog.compbio.dundee.ac.uk/cgi-bin/questionnaire.pl";
+                                               // //
+                                               String defurl = "http://www.jalview.org/cgi-bin/questionnaire.pl";
+                                               Cache.log.debug("Starting questionnaire with default url: " + defurl);
+                                               desktop.checkForQuestionnaire(defurl);
+                                       }
+                               }
+                       } else {
+                               System.err.println("CMD [-noquestionnaire] executed successfully!");
+                       }
+
+                       if (!aparser.contains("nonews")) {
+                               desktop.checkForNews();
+                       }
+
+                       BioJsHTMLOutput.updateBioJS();
+               }
+
+               // Move any new getdown-launcher-new.jar into place over old
+               // getdown-launcher.jar
+               String appdirString = System.getProperty("getdownappdir");
+               if (appdirString != null && appdirString.length() > 0) {
+                       final File appdir = new File(appdirString);
+                       new Thread() {
+                               @Override
+                               public void run() {
+                                       LaunchUtil.upgradeGetdown(new File(appdir, "getdown-launcher-old.jar"),
+                                                       new File(appdir, "getdown-launcher.jar"), new File(appdir, "getdown-launcher-new.jar"));
+                               }
+                       }.start();
+               }
+
+               String file = null, data = null;
+               FileFormatI format = null;
+               DataSourceType protocol = null;
+               FileLoader fileLoader = new FileLoader(!headless);
+
+               String groovyscript = null; // script to execute after all loading is
+               // completed one way or another
+               // extract groovy argument and execute if necessary
+               groovyscript = aparser.getValue("groovy", true);
+               file = aparser.getValue("open", true);
+
+               if (file == null && desktop == null) {
+                       System.out.println("No files to open!");
+                       System.exit(1);
+               }
+               String vamsasImport = aparser.getValue("vdoc");
+               String vamsasSession = aparser.getValue("vsess");
+               if (vamsasImport != null || vamsasSession != null) {
+                       if (desktop == null || headless) {
+                               System.out.println("Headless vamsas sessions not yet supported. Sorry.");
+                               System.exit(1);
+                       }
+                       // if we have a file, start a new session and import it.
+                       boolean inSession = false;
+                       if (vamsasImport != null) {
+                               try {
+                                       DataSourceType viprotocol = AppletFormatAdapter.checkProtocol(vamsasImport);
+                                       if (viprotocol == DataSourceType.FILE) {
+                                               inSession = desktop.vamsasImport(new File(vamsasImport));
+                                       } else if (viprotocol == DataSourceType.URL) {
+                                               inSession = desktop.vamsasImport(new URL(vamsasImport));
+                                       }
+
+                               } catch (Exception e) {
+                                       System.err.println("Exeption when importing " + vamsasImport + " as a vamsas document.");
+                                       e.printStackTrace();
+                               }
+                               if (!inSession) {
+                                       System.err.println("Failed to import " + vamsasImport + " as a vamsas document.");
+                               } else {
+                                       System.out.println("Imported Successfully into new session "
+                                                       + desktop.getVamsasApplication().getCurrentSession());
+                               }
+                       }
+                       if (vamsasSession != null) {
+                               if (vamsasImport != null) {
+                                       // close the newly imported session and import the Jalview specific
+                                       // remnants into the new session later on.
+                                       desktop.vamsasStop_actionPerformed(null);
+                               }
+                               // now join the new session
+                               try {
+                                       if (desktop.joinVamsasSession(vamsasSession)) {
+                                               System.out.println("Successfully joined vamsas session " + vamsasSession);
+                                       } else {
+                                               System.err.println("WARNING: Failed to join vamsas session " + vamsasSession);
+                                       }
+                               } catch (Exception e) {
+                                       System.err.println("ERROR: Failed to join vamsas session " + vamsasSession);
+                                       e.printStackTrace();
+                               }
+                               if (vamsasImport != null) {
+                                       // the Jalview specific remnants can now be imported into the new
+                                       // session at the user's leisure.
+                                       Cache.log.info("Skipping Push for import of data into existing vamsas session."); // TODO:
+                                       // enable
+                                       // this
+                                       // when
+                                       // debugged
+                                       // desktop.getVamsasApplication().push_update();
+                               }
+                       }
+               }
+               long progress = -1;
+               // Finally, deal with the remaining input data.
+               if (file != null) {
+                       if (!headless) {
+                               desktop.setProgressBar(MessageManager.getString("status.processing_commandline_args"),
+                                               progress = System.currentTimeMillis());
+                       }
+                       System.out.println("CMD [-open " + file + "] executed successfully!");
+
+                       if (!file.startsWith("http://")) {
+                               if (!(new File(file)).exists()) {
+                                       System.out.println("Can't find " + file);
+                                       if (headless) {
+                                               System.exit(1);
+                                       }
+                               }
+                       }
+
+                       protocol = AppletFormatAdapter.checkProtocol(file);
+
+                       try {
+                               format = new IdentifyFile().identify(file, protocol);
+                       } catch (FileFormatException e1) {
+                               // TODO ?
+                       }
+
+                       AlignFrame af = fileLoader.LoadFileWaitTillLoaded(file, protocol, format);
+                       if (af == null) {
+                               System.out.println("error");
+                       } else {
+                               setCurrentAlignFrame(af);
+                               data = aparser.getValue("colour", true);
+                               if (data != null) {
+                                       data.replaceAll("%20", " ");
+
+                                       ColourSchemeI cs = ColourSchemeProperty.getColourScheme(af.getViewport(),
+                                                       af.getViewport().getAlignment(), data);
+
+                                       if (cs != null) {
+                                               System.out.println("CMD [-color " + data + "] executed successfully!");
+                                       }
+                                       af.changeColour(cs);
+                               }
+
+                               // Must maintain ability to use the groups flag
+                               data = aparser.getValue("groups", true);
+                               if (data != null) {
+                                       af.parseFeaturesFile(data, AppletFormatAdapter.checkProtocol(data));
+                                       // System.out.println("Added " + data);
+                                       System.out.println("CMD groups[-" + data + "]  executed successfully!");
+                               }
+                               data = aparser.getValue("features", true);
+                               if (data != null) {
+                                       af.parseFeaturesFile(data, AppletFormatAdapter.checkProtocol(data));
+                                       // System.out.println("Added " + data);
+                                       System.out.println("CMD [-features " + data + "]  executed successfully!");
+                               }
+
+                               data = aparser.getValue("annotations", true);
+                               if (data != null) {
+                                       af.loadJalviewDataFile(data, null, null, null);
+                                       // System.out.println("Added " + data);
+                                       System.out.println("CMD [-annotations " + data + "] executed successfully!");
+                               }
+                               // set or clear the sortbytree flag.
+                               if (aparser.contains("sortbytree")) {
+                                       af.getViewport().setSortByTree(true);
+                                       if (af.getViewport().getSortByTree()) {
+                                               System.out.println("CMD [-sortbytree] executed successfully!");
+                                       }
+                               }
+                               if (aparser.contains("no-annotation")) {
+                                       af.getViewport().setShowAnnotation(false);
+                                       if (!af.getViewport().isShowAnnotation()) {
+                                               System.out.println("CMD no-annotation executed successfully!");
+                                       }
+                               }
+                               if (aparser.contains("nosortbytree")) {
+                                       af.getViewport().setSortByTree(false);
+                                       if (!af.getViewport().getSortByTree()) {
+                                               System.out.println("CMD [-nosortbytree] executed successfully!");
+                                       }
+                               }
+                               data = aparser.getValue("tree", true);
+                               if (data != null) {
+                                       try {
+                                               System.out.println("CMD [-tree " + data + "] executed successfully!");
+                                               NewickFile nf = new NewickFile(data, AppletFormatAdapter.checkProtocol(data));
+                                               af.getViewport().setCurrentTree(af.showNewickTree(nf, data).getTree());
+                                       } catch (IOException ex) {
+                                               System.err.println("Couldn't add tree " + data);
+                                               ex.printStackTrace(System.err);
+                                       }
+                               }
+                               // TODO - load PDB structure(s) to alignment JAL-629
+                               // (associate with identical sequence in alignment, or a specified
+                               // sequence)
+                               if (groovyscript != null) {
+                                       // Execute the groovy script after we've done all the rendering stuff
+                                       // and before any images or figures are generated.
+                                       System.out.println("Executing script " + groovyscript);
+                                       executeGroovyScript(groovyscript, af);
+                                       System.out.println("CMD groovy[" + groovyscript + "] executed successfully!");
+                                       groovyscript = null;
+                               }
+                               String imageName = "unnamed.png";
+                               while (aparser.getSize() > 1) {
+                                       String outputFormat = aparser.nextValue();
+                                       file = aparser.nextValue();
+
+                                       if (outputFormat.equalsIgnoreCase("png")) {
+                                               af.createPNG(new File(file));
+                                               imageName = (new File(file)).getName();
+                                               System.out.println("Creating PNG image: " + file);
+                                               continue;
+                                       } else if (outputFormat.equalsIgnoreCase("svg")) {
+                                               File imageFile = new File(file);
+                                               imageName = imageFile.getName();
+                                               af.createSVG(imageFile);
+                                               System.out.println("Creating SVG image: " + file);
+                                               continue;
+                                       } else if (outputFormat.equalsIgnoreCase("html")) {
+                                               File imageFile = new File(file);
+                                               imageName = imageFile.getName();
+                                               HtmlSvgOutput htmlSVG = new HtmlSvgOutput(af.alignPanel);
+                                               htmlSVG.exportHTML(file);
+
+                                               System.out.println("Creating HTML image: " + file);
+                                               continue;
+                                       } else if (outputFormat.equalsIgnoreCase("biojsmsa")) {
+                                               if (file == null) {
+                                                       System.err.println("The output html file must not be null");
+                                                       return;
+                                               }
+                                               try {
+                                                       BioJsHTMLOutput.refreshVersionInfo(BioJsHTMLOutput.BJS_TEMPLATES_LOCAL_DIRECTORY);
+                                               } catch (URISyntaxException e) {
+                                                       e.printStackTrace();
+                                               }
+                                               BioJsHTMLOutput bjs = new BioJsHTMLOutput(af.alignPanel);
+                                               bjs.exportHTML(file);
+                                               System.out.println("Creating BioJS MSA Viwer HTML file: " + file);
+                                               continue;
+                                       } else if (outputFormat.equalsIgnoreCase("imgMap")) {
+                                               af.createImageMap(new File(file), imageName);
+                                               System.out.println("Creating image map: " + file);
+                                               continue;
+                                       } else if (outputFormat.equalsIgnoreCase("eps")) {
+                                               File outputFile = new File(file);
+                                               System.out.println("Creating EPS file: " + outputFile.getAbsolutePath());
+                                               af.createEPS(outputFile);
+                                               continue;
+                                       }
+
+                                       if (af.saveAlignment(file, format)) {
+                                               System.out.println("Written alignment in " + format + " format to " + file);
+                                       } else {
+                                               System.out.println("Error writing file " + file + " in " + format + " format!!");
+                                       }
+
+                               }
+
+                               while (aparser.getSize() > 0) {
+                                       System.out.println("Unknown arg: " + aparser.nextValue());
+                               }
+                       }
+               }
+               AlignFrame startUpAlframe = null;
+               // We'll only open the default file if the desktop is visible.
+               // And the user
+               // ////////////////////
+
+               if (!headless && file == null && vamsasImport == null
+                               && jalview.bin.Cache.getDefault("SHOW_STARTUP_FILE", true)) {
+                       file = jalview.bin.Cache.getDefault("STARTUP_FILE",
+                                       jalview.bin.Cache.getDefault("www.jalview.org", "http://www.jalview.org")
+                                                       + "/examples/exampleFile_2_7.jar");
+                       if (file.equals("http://www.jalview.org/examples/exampleFile_2_3.jar")) {
+                               // hardwire upgrade of the startup file
+                               file.replace("_2_3.jar", "_2_7.jar");
+                               // and remove the stale setting
+                               jalview.bin.Cache.removeProperty("STARTUP_FILE");
+                       }
+
+                       protocol = DataSourceType.FILE;
+
+                       if (file.indexOf("http:") > -1) {
+                               protocol = DataSourceType.URL;
+                       }
+
+                       if (file.endsWith(".jar")) {
+                               format = FileFormat.Jalview;
+                       } else {
+                               try {
+                                       format = new IdentifyFile().identify(file, protocol);
+                               } catch (FileFormatException e) {
+                                       // TODO what?
+                               }
+                       }
+
+                       startUpAlframe = fileLoader.LoadFileWaitTillLoaded(file, protocol, format);
+                       // extract groovy arguments before anything else.
+               }
+
+               // Once all other stuff is done, execute any groovy scripts (in order)
+               if (groovyscript != null) {
+                       if (Cache.groovyJarsPresent()) {
+                               System.out.println("Executing script " + groovyscript);
+                               executeGroovyScript(groovyscript, startUpAlframe);
+                       } else {
+                               System.err.println("Sorry. Groovy Support is not available, so ignoring the provided groovy script "
+                                               + groovyscript);
+                       }
+               }
+               // and finally, turn off batch mode indicator - if the desktop still exists
+               if (desktop != null) {
+                       if (progress != -1) {
+                               desktop.setProgressBar(null, progress);
+                       }
+                       desktop.setInBatchMode(false);
+               }
+       }
+
+       private static void showUsage() {
+               System.out.println("Usage: jalview -open [FILE] [OUTPUT_FORMAT] [OUTPUT_FILE]\n\n"
+                               + "-nodisplay\tRun Jalview without User Interface.\n"
+                               + "-props FILE\tUse the given Jalview properties file instead of users default.\n"
+                               + "-colour COLOURSCHEME\tThe colourscheme to be applied to the alignment\n"
+                               + "-annotations FILE\tAdd precalculated annotations to the alignment.\n"
+                               + "-tree FILE\tLoad the given newick format tree file onto the alignment\n"
+                               + "-features FILE\tUse the given file to mark features on the alignment.\n"
+                               + "-fasta FILE\tCreate alignment file FILE in Fasta format.\n"
+                               + "-clustal FILE\tCreate alignment file FILE in Clustal format.\n"
+                               + "-pfam FILE\tCreate alignment file FILE in PFAM format.\n"
+                               + "-msf FILE\tCreate alignment file FILE in MSF format.\n"
+                               + "-pileup FILE\tCreate alignment file FILE in Pileup format\n"
+                               + "-pir FILE\tCreate alignment file FILE in PIR format.\n"
+                               + "-blc FILE\tCreate alignment file FILE in BLC format.\n"
+                               + "-json FILE\tCreate alignment file FILE in JSON format.\n"
+                               + "-jalview FILE\tCreate alignment file FILE in Jalview format.\n"
+                               + "-png FILE\tCreate PNG image FILE from alignment.\n"
+                               + "-svg FILE\tCreate SVG image FILE from alignment.\n"
+                               + "-html FILE\tCreate HTML file from alignment.\n"
+                               + "-biojsMSA FILE\tCreate BioJS MSA Viewer HTML file from alignment.\n"
+                               + "-imgMap FILE\tCreate HTML file FILE with image map of PNG image.\n"
+                               + "-eps FILE\tCreate EPS file FILE from alignment.\n"
+                               + "-questionnaire URL\tQueries the given URL for information about any Jalview user questionnaires.\n"
+                               + "-noquestionnaire\tTurn off questionnaire check.\n" + "-nonews\tTurn off check for Jalview news.\n"
+                               + "-nousagestats\tTurn off google analytics tracking for this session.\n"
+                               + "-sortbytree OR -nosortbytree\tEnable or disable sorting of the given alignment by the given tree\n"
+                               // +
+                               // "-setprop PROPERTY=VALUE\tSet the given Jalview property,
+                               // after all other properties files have been read\n\t
+                               // (quote the 'PROPERTY=VALUE' pair to ensure spaces are
+                               // passed in correctly)"
+                               + "-jabaws URL\tSpecify URL for Jabaws services (e.g. for a local installation).\n"
+                               + "-fetchfrom nickname\tQuery nickname for features for the alignments and display them.\n"
+                               // +
+                               // "-vdoc vamsas-document\tImport vamsas document into new
+                               // session or join existing session with same URN\n"
+                               // + "-vses vamsas-session\tJoin session with given URN\n"
+                               + "-groovy FILE\tExecute groovy script in FILE, after all other arguments have been processed (if FILE is the text 'STDIN' then the file will be read from STDIN)\n"
+                               + "\n~Read documentation in Application or visit http://www.jalview.org for description of Features and Annotations file~\n\n");
+       }
+
+       private static void startUsageStats(final Desktop desktop) {
+               /**
+                * start a User Config prompt asking if we can log usage statistics.
+                */
+               PromptUserConfig prompter = new PromptUserConfig(Desktop.desktop, "USAGESTATS", "Jalview Usage Statistics",
+                               "Do you want to help make Jalview better by enabling "
+                                               + "the collection of usage statistics with Google Analytics ?"
+                                               + "\n\n(you can enable or disable usage tracking in the preferences)",
+                               new Runnable() {
+                                       @Override
+                                       public void run() {
+                                               Cache.log.debug("Initialising googletracker for usage stats.");
+                                               Cache.initGoogleTracker();
+                                               Cache.log.debug("Tracking enabled.");
+                                       }
+                               }, new Runnable() {
+                                       @Override
+                                       public void run() {
+                                               Cache.log.debug("Not enabling Google Tracking.");
+                                       }
+                               }, null, true);
+               desktop.addDialogThread(prompter);
+       }
+
+       /**
+        * Locate the given string as a file and pass it to the groovy interpreter.
+        * 
+        * @param groovyscript   the script to execute
+        * @param jalviewContext the Jalview Desktop object passed in to the groovy
+        *                       binding as the 'Jalview' object.
+        */
+       private void executeGroovyScript(String groovyscript, AlignFrame af) {
+               /**
+                * for scripts contained in files
+                */
+               File tfile = null;
+               /**
+                * script's URI
+                */
+               URL sfile = null;
+               if (groovyscript.trim().equals("STDIN")) {
+                       // read from stdin into a tempfile and execute it
+                       try {
+                               tfile = File.createTempFile("jalview", "groovy");
+                               PrintWriter outfile = new PrintWriter(new OutputStreamWriter(new FileOutputStream(tfile)));
+                               BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+                               String line = null;
+                               while ((line = br.readLine()) != null) {
+                                       outfile.write(line + "\n");
+                               }
+                               br.close();
+                               outfile.flush();
+                               outfile.close();
+
+                       } catch (Exception ex) {
+                               System.err.println("Failed to read from STDIN into tempfile "
+                                               + ((tfile == null) ? "(tempfile wasn't created)" : tfile.toString()));
+                               ex.printStackTrace();
+                               return;
+                       }
+                       try {
+                               sfile = tfile.toURI().toURL();
+                       } catch (Exception x) {
+                               System.err.println(
+                                               "Unexpected Malformed URL Exception for temporary file created from STDIN: " + tfile.toURI());
+                               x.printStackTrace();
+                               return;
+                       }
+               } else {
+                       try {
+                               sfile = new URI(groovyscript).toURL();
+                       } catch (Exception x) {
+                               tfile = new File(groovyscript);
+                               if (!tfile.exists()) {
+                                       System.err.println("File '" + groovyscript + "' does not exist.");
+                                       return;
+                               }
+                               if (!tfile.canRead()) {
+                                       System.err.println("File '" + groovyscript + "' cannot be read.");
+                                       return;
+                               }
+                               if (tfile.length() < 1) {
+                                       System.err.println("File '" + groovyscript + "' is empty.");
+                                       return;
+                               }
+                               try {
+                                       sfile = tfile.getAbsoluteFile().toURI().toURL();
+                               } catch (Exception ex) {
+                                       System.err.println("Failed to create a file URL for " + tfile.getAbsoluteFile());
+                                       return;
+                               }
+                       }
+               }
+               try {
+                       Map<String, java.lang.Object> vbinding = new HashMap<>();
+                       vbinding.put("Jalview", this);
+                       if (af != null) {
+                               vbinding.put("currentAlFrame", af);
+                       }
+                       Binding gbinding = new Binding(vbinding);
+                       GroovyScriptEngine gse = new GroovyScriptEngine(new URL[] { sfile });
+                       gse.run(sfile.toString(), gbinding);
+                       if ("STDIN".equals(groovyscript)) {
+                               // delete temp file that we made -
+                               // only if it was successfully executed
+                               tfile.delete();
+                       }
+               } catch (Exception e) {
+                       System.err.println("Exception Whilst trying to execute file " + sfile + " as a groovy script.");
+                       e.printStackTrace(System.err);
+
+               }
+       }
+
+       public static boolean isHeadlessMode() {
+               String isheadless = System.getProperty("java.awt.headless");
+               if (isheadless != null && isheadless.equalsIgnoreCase("true")) {
+                       return true;
+               }
+               return false;
+       }
+
+       public AlignFrame[] getAlignFrames() {
+               return desktop == null ? new AlignFrame[] { getCurrentAlignFrame() } : Desktop.getAlignFrames();
+
+       }
+
+       /**
+        * Quit method delegates to Desktop.quit - unless running in headless mode when
+        * it just ends the JVM
+        */
+       public void quit() {
+               if (desktop != null) {
+                       desktop.quit();
+               } else {
+                       System.exit(0);
+               }
+       }
+
+       public static AlignFrame getCurrentAlignFrame() {
+               return Jalview.currentAlignFrame;
+       }
+
+       public static void setCurrentAlignFrame(AlignFrame currentAlignFrame) {
+               Jalview.currentAlignFrame = currentAlignFrame;
+       }
 }