JAL-629 Opening files in new windows. not working yet
[jalview.git] / src / jalview / bin / Jalview.java
index 5df9ace..bc8c997 100755 (executable)
  */
 package jalview.bin;
 
+import java.awt.Color;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
+import java.io.PrintStream;
 import java.io.PrintWriter;
 import java.net.MalformedURLException;
 import java.net.URI;
@@ -37,26 +40,46 @@ import java.security.PermissionCollection;
 import java.security.Permissions;
 import java.security.Policy;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
+import java.util.Properties;
 import java.util.Vector;
-
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.swing.JDialog;
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.UIManager.LookAndFeelInfo;
+import javax.swing.UnsupportedLookAndFeelException;
 
+import com.formdev.flatlaf.FlatLightLaf;
+import com.formdev.flatlaf.themes.FlatMacLightLaf;
+import com.formdev.flatlaf.util.SystemInfo;
 import com.threerings.getdown.util.LaunchUtil;
 
+//import edu.stanford.ejalbert.launching.IBrowserLaunching;
 import groovy.lang.Binding;
 import groovy.util.GroovyScriptEngine;
+import jalview.bin.argparser.Arg;
+import jalview.bin.argparser.ArgParser;
+import jalview.bin.argparser.BootstrapArgs;
 import jalview.ext.so.SequenceOntology;
 import jalview.gui.AlignFrame;
 import jalview.gui.Desktop;
 import jalview.gui.PromptUserConfig;
+import jalview.gui.QuitHandler;
+import jalview.gui.QuitHandler.QResponse;
 import jalview.io.AppletFormatAdapter;
 import jalview.io.BioJsHTMLOutput;
 import jalview.io.DataSourceType;
 import jalview.io.FileFormat;
 import jalview.io.FileFormatException;
 import jalview.io.FileFormatI;
+import jalview.io.FileFormats;
 import jalview.io.FileLoader;
 import jalview.io.HtmlSvgOutput;
 import jalview.io.IdentifyFile;
@@ -64,6 +87,9 @@ import jalview.io.NewickFile;
 import jalview.io.gff.SequenceOntologyFactory;
 import jalview.schemes.ColourSchemeI;
 import jalview.schemes.ColourSchemeProperty;
+import jalview.util.ChannelProperties;
+import jalview.util.HttpUtils;
+import jalview.util.LaunchUtils;
 import jalview.util.MessageManager;
 import jalview.util.Platform;
 import jalview.ws.jws2.Jws2Discoverer;
@@ -85,6 +111,15 @@ import jalview.ws.jws2.Jws2Discoverer;
  */
 public class Jalview
 {
+  static
+  {
+    Platform.getURLCommandArguments();
+    Platform.addJ2SDirectDatabaseCall("https://www.jalview.org");
+    Platform.addJ2SDirectDatabaseCall("http://www.jalview.org");
+    Platform.addJ2SDirectDatabaseCall("http://www.compbio.dundee.ac.uk");
+    Platform.addJ2SDirectDatabaseCall("https://www.compbio.dundee.ac.uk");
+  }
+
   /*
    * singleton instance of this class
    */
@@ -92,26 +127,36 @@ public class Jalview
 
   private Desktop desktop;
 
+  protected Commands cmds;
+
   public static AlignFrame currentAlignFrame;
 
   static
   {
-    // grab all the rights we can the JVM
-    Policy.setPolicy(new Policy()
+    if (!Platform.isJS())
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
     {
-      @Override
-      public PermissionCollection getPermissions(CodeSource codesource)
+      // grab all the rights we can for the JVM
+      Policy.setPolicy(new Policy()
       {
-        Permissions perms = new Permissions();
-        perms.add(new AllPermission());
-        return (perms);
-      }
+        @Override
+        public PermissionCollection getPermissions(CodeSource codesource)
+        {
+          Permissions perms = new Permissions();
+          perms.add(new AllPermission());
+          return (perms);
+        }
 
-      @Override
-      public void refresh()
-      {
-      }
-    });
+        @Override
+        public void refresh()
+        {
+        }
+      });
+    }
   }
 
   /**
@@ -186,22 +231,113 @@ public class Jalview
    */
   public static void main(String[] args)
   {
+    // setLogging(); // BH - for event debugging in JavaScript
     instance = new Jalview();
     instance.doMain(args);
   }
 
+  private static void logClass(String name)
+  {
+    // BH - for event debugging in JavaScript
+    ConsoleHandler consoleHandler = new ConsoleHandler();
+    consoleHandler.setLevel(Level.ALL);
+    Logger logger = Logger.getLogger(name);
+    logger.setLevel(Level.ALL);
+    logger.addHandler(consoleHandler);
+  }
+
+  @SuppressWarnings("unused")
+  private static void setLogging()
+  {
+
+    /**
+     * @j2sIgnore
+     * 
+     */
+    {
+      System.out.println("not in js");
+    }
+
+    // BH - for event debugging in JavaScript (Java mode only)
+    if (!Platform.isJS())
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
+    {
+      Logger.getLogger("").setLevel(Level.ALL);
+      logClass("java.awt.EventDispatchThread");
+      logClass("java.awt.EventQueue");
+      logClass("java.awt.Component");
+      logClass("java.awt.focus.Component");
+      logClass("java.awt.focus.DefaultKeyboardFocusManager");
+    }
+
+  }
+
   /**
    * @param args
    */
   void doMain(String[] args)
   {
-    System.setSecurityManager(null);
+
+    if (!Platform.isJS())
+    {
+      System.setSecurityManager(null);
+    }
+
+    // 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();
+    }
+
+    // get args needed before proper ArgParser
+    BootstrapArgs bootstrapArgs = BootstrapArgs.getBootstrapArgs(args);
+
+    if (!Platform.isJS())
+    {
+      // are we being --quiet ?
+      if (bootstrapArgs.contains(Arg.QUIET))
+      {
+        OutputStream devNull = new OutputStream()
+        {
+          @Override
+          public void write(int b)
+          {
+            // DO NOTHING
+          }
+        };
+        System.setOut(new PrintStream(devNull));
+        // redirecting stderr not working
+        if (bootstrapArgs.getList(Arg.QUIET).size() > 1)
+        {
+          System.setErr(new PrintStream(devNull));
+        }
+      }
+    }
+
     System.out
             .println("Java version: " + System.getProperty("java.version"));
     System.out.println("Java Home: " + System.getProperty("java.home"));
     System.out.println(System.getProperty("os.arch") + " "
             + System.getProperty("os.name") + " "
             + System.getProperty("os.version"));
+
     String val = System.getProperty("sys.install4jVersion");
     if (val != null)
     {
@@ -218,45 +354,133 @@ public class Jalview
       System.out.println("Launcher version: " + val);
     }
 
+    if (Platform.isLinux() && LaunchUtils.getJavaVersion() < 11)
+    {
+      System.setProperty("flatlaf.uiScale", "1");
+    }
+
+    // get bootstrap properties (mainly for the logger level)
+    Properties bootstrapProperties = Cache
+            .bootstrapProperties(bootstrapArgs.get(Arg.PROPS));
+
     // report Jalview version
     Cache.loadBuildProperties(true);
 
+    // old ArgsParser
     ArgsParser aparser = new ArgsParser(args);
+
+    // old
     boolean headless = false;
+    // new
+    boolean headlessArg = false;
 
-    if (aparser.contains("help") || aparser.contains("h"))
+    try
     {
-      showUsage();
-      System.exit(0);
-    }
-    if (aparser.contains("nodisplay") || aparser.contains("nogui")
-            || aparser.contains("headless"))
+      String logLevel = bootstrapArgs.contains(Arg.DEBUG) ? "DEBUG" : null;
+      if (logLevel == null && !(bootstrapProperties == null))
+      {
+        logLevel = bootstrapProperties.getProperty(Cache.JALVIEWLOGLEVEL);
+      }
+      Console.initLogger(logLevel);
+    } catch (NoClassDefFoundError error)
     {
-      System.setProperty("java.awt.headless", "true");
-      headless = true;
+      error.printStackTrace();
+      String message = "\nEssential logging libraries not found."
+              + "\nUse: java -classpath \"$PATH_TO_LIB$/*:$PATH_TO_CLASSES$\" jalview.bin.Jalview";
+      Jalview.exit(message, 0);
     }
-    String usrPropsFile = aparser.getValue("props");
-    Cache.loadProperties(usrPropsFile); // must do this before
+
+    // register SIGTERM listener
+    Runtime.getRuntime().addShutdownHook(new Thread()
+    {
+      public void run()
+      {
+        Console.debug("Running shutdown hook");
+        if (QuitHandler.gotQuitResponse() == QResponse.CANCEL_QUIT)
+        {
+          // Got to here by a SIGTERM signal.
+          // Note we will not actually cancel the quit from here -- it's too
+          // late -- but we can wait for saving files.
+          Console.debug("Checking for saving files");
+          QuitHandler.getQuitResponse(false);
+        }
+        else
+        {
+          Console.debug("Nothing more to do");
+        }
+        Console.debug("Exiting, bye!");
+        // shutdownHook cannot be cancelled, JVM will now halt
+      }
+    });
+
+    String usrPropsFile = bootstrapArgs.contains(Arg.PROPS)
+            ? bootstrapArgs.get(Arg.PROPS)
+            : aparser.getValue("props");
     if (usrPropsFile != null)
     {
+      Cache.loadProperties(usrPropsFile);
       System.out.println(
               "CMD [-props " + usrPropsFile + "] executed successfully!");
     }
 
-    // anything else!
+    // new ArgParser
+    ArgParser argparser;
+    // --argfile=... -- OVERRIDES ALL NON-BOOTSTRAP ARGS
+    if (bootstrapArgs.contains(Arg.ARGFILE))
+    {
+      argparser = ArgParser
+              .parseArgFiles(bootstrapArgs.getList(Arg.ARGFILE));
+    }
+    else
+    {
+      argparser = new ArgParser(args);
+    }
 
-    final String jabawsUrl = aparser.getValue("jabaws");
-    if (jabawsUrl != null)
+    if (!Platform.isJS())
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
     {
-      try
+      if (aparser.contains("help") || aparser.contains("h")
+              || argparser.getBool(Arg.HELP))
       {
-        Jws2Discoverer.getDiscoverer().setPreferredUrl(jabawsUrl);
-        System.out.println(
-                "CMD [-jabaws " + jabawsUrl + "] executed successfully!");
-      } catch (MalformedURLException e)
+        showUsage();
+        Jalview.exit(null, 0);
+      }
+
+      if (bootstrapArgs.contains(Arg.HEADLESS))
       {
-        System.err.println(
-                "Invalid jabaws parameter: " + jabawsUrl + " ignored");
+        System.setProperty("java.awt.headless", "true");
+        // new
+        headlessArg = argparser.getBool(Arg.HEADLESS);
+      }
+      if (aparser.contains("nodisplay") || aparser.contains("nogui")
+              || aparser.contains("headless"))
+      {
+        System.setProperty("java.awt.headless", "true");
+        // old
+        headless = true;
+      }
+      // anything else!
+
+      // allow https handshakes to download intermediate certs if necessary
+      System.setProperty("com.sun.security.enableAIAcaIssuers", "true");
+
+      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");
+        }
       }
     }
 
@@ -271,6 +495,10 @@ public class Jalview
       else
       {
         System.out.println("Executing setprop argument: " + defs);
+        if (Platform.isJS())
+        {
+          Cache.setProperty(defs.substring(0, p), defs.substring(p + 1));
+        }
         // 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));
@@ -284,115 +512,37 @@ public class Jalview
     }
     System.setProperty("http.agent",
             "Jalview Desktop/" + Cache.getDefault("VERSION", "Unknown"));
+
     try
     {
-      Cache.initLogger();
-    } catch (NoClassDefFoundError error)
+      Console.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);
+      String message = "\nEssential logging libraries not found."
+              + "\nUse: java -classpath \"$PATH_TO_LIB$/*:$PATH_TO_CLASSES$\" jalview.bin.Jalview";
+      Jalview.exit(message, 0);
     }
-
     desktop = null;
 
-    // property laf = "crossplatform", "system", "gtk", "metal" or "mac"
-    // If not set (or chosen laf fails), use the normal SystemLaF and if on Mac,
-    // try Quaqua/Vaqua.
-    String lafProp = System.getProperty("laf");
-    String lafSetting = Cache.getDefault("PREFERRED_LAF", null);
-    String laf = "none";
-    if (lafProp != null)
-    {
-      laf = lafProp;
-    }
-    else if (lafSetting != null)
-    {
-      laf = lafSetting;
-    }
-    boolean lafSet = false;
-    switch (laf)
-    {
-    case "crossplatform":
-      lafSet = setCrossPlatformLookAndFeel();
-      if (!lafSet)
-      {
-        System.err.println("Could not set requested laf=" + laf);
-      }
-      break;
-    case "system":
-      lafSet = setSystemLookAndFeel();
-      if (!lafSet)
-      {
-        System.err.println("Could not set requested laf=" + laf);
-      }
-      break;
-    case "gtk":
-      lafSet = setGtkLookAndFeel();
-    {
-      System.err.println("Could not set requested laf=" + laf);
-    }
-      break;
-    case "metal":
-      lafSet = setMetalLookAndFeel();
-    {
-      System.err.println("Could not set requested laf=" + laf);
-    }
-      break;
-    case "nimbus":
-      lafSet = setNimbusLookAndFeel();
-    {
-      System.err.println("Could not set requested laf=" + laf);
-    }
-      break;
-    case "quaqua":
-      lafSet = setQuaquaLookAndFeel();
-    {
-      System.err.println("Could not set requested laf=" + laf);
-    }
-      break;
-    case "vaqua":
-      lafSet = setVaquaLookAndFeel();
-    {
-      System.err.println("Could not set requested laf=" + laf);
-    }
-      break;
-    case "mac":
-      lafSet = setMacLookAndFeel();
-      if (!lafSet)
-      {
-        System.err.println("Could not set requested laf=" + laf);
-      }
-      break;
-    case "none":
-      break;
-    default:
-      System.err.println("Requested laf=" + laf + " not implemented");
-    }
-    if (!lafSet)
-    {
-      setSystemLookAndFeel();
-      if (Platform.isLinux()) {
-        setMetalLookAndFeel();
-      }
-      if (Platform.isAMac())
-      {
-        setMacLookAndFeel();
-      }
-    }
+    if (!(headless || headlessArg))
+      setLookAndFeel();
 
     /*
-     * configure 'full' SO model if preferences say to, else use the default (SO
-     * Lite)
+     * configure 'full' SO model if preferences say to, else use the default (full SO)
+     * - as JS currently doesn't have OBO parsing, it must use 'Lite' version
      */
-    if (Cache.getDefault("USE_FULL_SO", true))
+    boolean soDefault = !Platform.isJS();
+    if (Cache.getDefault("USE_FULL_SO", soDefault))
     {
       SequenceOntologyFactory.setInstance(new SequenceOntology());
     }
 
-    if (!headless)
+    if (!(headless || headlessArg))
     {
+      Desktop.nosplash = aparser.contains("nosplash");
       desktop = new Desktop();
       desktop.setInBatchMode(true); // indicate we are starting up
 
@@ -401,88 +551,155 @@ public class Jalview
         JalviewTaskbar.setTaskbar(this);
       } catch (Exception e)
       {
-        System.out.println("Cannot set Taskbar");
+        Console.info("Cannot set Taskbar");
+        Console.error(e.getMessage());
         // e.printStackTrace();
       } catch (Throwable t)
       {
-        System.out.println("Cannot set Taskbar");
+        Console.info("Cannot set Taskbar");
+        Console.error(t.getMessage());
         // t.printStackTrace();
       }
 
+      // set Proxy settings before all the internet calls
+      Cache.setProxyPropertiesFromPreferences();
+
       desktop.setVisible(true);
-      desktop.startServiceDiscovery();
-      if (!aparser.contains("nousagestats"))
-      {
-        startUsageStats(desktop);
-      }
-      else
-      {
-        System.err.println("CMD [-nousagestats] executed successfully!");
-      }
 
-      if (!aparser.contains("noquestionnaire"))
+      if (!Platform.isJS())
+      /**
+       * Java only
+       * 
+       * @j2sIgnore
+       */
       {
-        String url = aparser.getValue("questionnaire");
-        if (url != null)
+
+        /**
+         * Check to see that the JVM version being run is suitable for the Java
+         * version this Jalview was compiled for. Popup a warning if not.
+         */
+        if (!LaunchUtils.checkJavaVersion())
         {
-          // 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!");
+          Console.warn("The Java version being used (Java "
+                  + LaunchUtils.getJavaVersion()
+                  + ") may lead to problems. This installation of Jalview should be used with Java "
+                  + LaunchUtils.getJavaCompileVersion() + ".");
+
+          if (!LaunchUtils
+                  .getBooleanUserPreference("IGNORE_JVM_WARNING_POPUP"))
+          {
+            Object[] options = {
+                MessageManager.getString("label.continue") };
+            JOptionPane.showOptionDialog(null,
+                    MessageManager.formatMessage(
+                            "warning.wrong_jvm_version_message",
+                            LaunchUtils.getJavaVersion(),
+                            LaunchUtils.getJavaCompileVersion()),
+                    MessageManager
+                            .getString("warning.wrong_jvm_version_title"),
+                    JOptionPane.DEFAULT_OPTION, JOptionPane.WARNING_MESSAGE,
+                    null, options, options[0]);
+          }
+        }
+
+        if (!aparser.contains("nowebservicediscovery"))
+        {
+          desktop.startServiceDiscovery();
+        }
+        if (!aparser.contains("nousagestats"))
+        {
+          startUsageStats(desktop);
         }
         else
         {
-          if (Cache.getProperty("NOQUESTIONNAIRES") == null)
+          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
-            // 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);
+            Console.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 = "https://www.jalview.org/cgi-bin/questionnaire.pl";
+              Console.debug(
+                      "Starting questionnaire with default url: " + defurl);
+              desktop.checkForQuestionnaire(defurl);
+            }
           }
         }
+        else
+        {
+          System.err
+                  .println("CMD [-noquestionnaire] executed successfully!");
+        }
+
+        if ((!aparser.contains("nonews")
+                && Cache.getProperty("NONEWS") == null
+                && !"false".equals(bootstrapArgs.get(Arg.NEWS)))
+                || "true".equals(bootstrapArgs.get(Arg.NEWS)))
+        {
+          desktop.checkForNews();
+        }
+
+        if (!aparser.contains("nohtmltemplates")
+                && Cache.getProperty("NOHTMLTEMPLATES") == null)
+        {
+          BioJsHTMLOutput.updateBioJS();
+        }
       }
-      else
+    }
+    // Run Commands from cli
+    cmds = new Commands(argparser, headlessArg);
+    boolean commandsSuccess = cmds.argsWereParsed();
+    if (commandsSuccess)
+    {
+      if (headlessArg)
       {
-        System.err.println("CMD [-noquestionnaire] executed successfully!");
+        Jalview.exit("Successfully completed commands in headless mode", 0);
       }
-
-      if (!aparser.contains("nonews"))
+      Console.info("Successfully completed commands");
+    }
+    else
+    {
+      if (headlessArg)
       {
-        desktop.checkForNews();
+        Jalview.exit("Error when running Commands in headless mode", 1);
       }
-
-      BioJsHTMLOutput.updateBioJS();
+      Console.warn("Error when running commands");
     }
 
-    // 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)
+    // Check if JVM and compile version might cause problems and log if it
+    // might.
+    if (headless && !Platform.isJS() && !LaunchUtils.checkJavaVersion())
     {
-      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();
+      Console.warn("The Java version being used (Java "
+              + LaunchUtils.getJavaVersion()
+              + ") may lead to problems. This installation of Jalview should be used with Java "
+              + LaunchUtils.getJavaCompileVersion() + ".");
     }
 
     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
@@ -491,11 +708,11 @@ public class Jalview
     groovyscript = aparser.getValue("groovy", true);
     file = aparser.getValue("open", true);
 
-    if (file == null && desktop == null)
+    if (file == null && desktop == null && !commandsSuccess)
     {
-      System.out.println("No files to open!");
-      System.exit(1);
+      Jalview.exit("No files to open!", 1);
     }
+
     long progress = -1;
     // Finally, deal with the remaining input data.
     if (file != null)
@@ -509,14 +726,23 @@ public class Jalview
       }
       System.out.println("CMD [-open " + file + "] executed successfully!");
 
-      if (!file.startsWith("http://"))
+      if (!Platform.isJS())
+      /**
+       * ignore in JavaScript -- can't just file existence - could load it?
+       * 
+       * @j2sIgnore
+       */
       {
-        if (!(new File(file)).exists())
+        if (!HttpUtils.startsWithHttpOrHttps(file))
         {
-          System.out.println("Can't find " + file);
-          if (headless)
+          if (!(new File(file)).exists())
           {
-            System.exit(1);
+            if (headless)
+            {
+              Jalview.exit(
+                      "Can't find file '" + file + "' in headless mode", 1);
+            }
+            Console.warn("Can't find file'" + file + "'");
           }
         }
       }
@@ -551,7 +777,7 @@ public class Jalview
           if (cs != null)
           {
             System.out.println(
-                    "CMD [-color " + data + "] executed successfully!");
+                    "CMD [-colour " + data + "] executed successfully!");
           }
           af.changeColour(cs);
         }
@@ -706,16 +932,37 @@ public class Jalview
             af.createEPS(outputFile);
             continue;
           }
-
-          if (af.saveAlignment(file, format))
+          FileFormatI outFormat = null;
+          try
           {
-            System.out.println("Written alignment in " + format
-                    + " format to " + file);
+            outFormat = FileFormats.getInstance().forName(outputFormat);
+          } catch (Exception formatP)
+          {
+            System.out.println("Couldn't parse " + outFormat
+                    + " as a valid Jalview format string.");
           }
-          else
+          if (outFormat != null)
           {
-            System.out.println("Error writing file " + file + " in "
-                    + format + " format!!");
+            if (!outFormat.isWritable())
+            {
+              System.out.println(
+                      "This version of Jalview does not support alignment export as "
+                              + outputFormat);
+            }
+            else
+            {
+              af.saveAlignment(file, outFormat);
+              if (af.isSaveAlignmentSuccessful())
+              {
+                System.out.println("Written alignment in "
+                        + outFormat.getName() + " format to " + file);
+              }
+              else
+              {
+                System.out.println("Error writing file " + file + " in "
+                        + outFormat.getName() + " format!!");
+              }
+            }
           }
 
         }
@@ -726,33 +973,39 @@ public class Jalview
         }
       }
     }
+
     AlignFrame startUpAlframe = null;
     // We'll only open the default file if the desktop is visible.
     // And the user
     // ////////////////////
 
-    if (!headless && file == null
-            && jalview.bin.Cache.getDefault("SHOW_STARTUP_FILE", true))
+    if (!Platform.isJS() && !headless && file == null
+            && Cache.getDefault("SHOW_STARTUP_FILE", true)
+            && !cmds.commandArgsProvided())
+    // don't open the startup file if command line args have been processed
+    // (&& !Commands.commandArgsProvided())
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
     {
-      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"))
+      file = Cache.getDefault("STARTUP_FILE",
+              Cache.getDefault("www.jalview.org", "https://www.jalview.org")
+                      + "/examples/exampleFile_2_7.jvp");
+      if (file.equals("http://www.jalview.org/examples/exampleFile_2_3.jar")
+              || file.equals(
+                      "http://www.jalview.org/examples/exampleFile_2_7.jar"))
       {
+        file.replace("http:", "https:");
         // hardwire upgrade of the startup file
-        file.replace("_2_3.jar", "_2_7.jar");
+        file.replace("_2_3", "_2_7");
+        file.replace("2_7.jar", "2_7.jvp");
         // and remove the stale setting
-        jalview.bin.Cache.removeProperty("STARTUP_FILE");
+        Cache.removeProperty("STARTUP_FILE");
       }
 
-      protocol = DataSourceType.FILE;
-
-      if (file.indexOf("http:") > -1)
-      {
-        protocol = DataSourceType.URL;
-      }
+      protocol = AppletFormatAdapter.checkProtocol(file);
 
       if (file.endsWith(".jar"))
       {
@@ -771,6 +1024,10 @@ public class Jalview
 
       startUpAlframe = fileLoader.LoadFileWaitTillLoaded(file, protocol,
               format);
+      // don't ask to save when quitting if only the startup file has been
+      // opened
+      Console.debug("Resetting up-to-date flag for startup file");
+      startUpAlframe.getViewport().setSavedUpToDate(true);
       // extract groovy arguments before anything else.
     }
 
@@ -800,6 +1057,94 @@ public class Jalview
     }
   }
 
+  private static void setLookAndFeel()
+  {
+    // property laf = "crossplatform", "system", "gtk", "metal", "nimbus",
+    // "mac" or "flat"
+    // If not set (or chosen laf fails), use the normal SystemLaF and if on Mac,
+    // try Quaqua/Vaqua.
+    String lafProp = System.getProperty("laf");
+    String lafSetting = Cache.getDefault("PREFERRED_LAF", null);
+    String laf = "none";
+    if (lafProp != null)
+    {
+      laf = lafProp;
+    }
+    else if (lafSetting != null)
+    {
+      laf = lafSetting;
+    }
+    boolean lafSet = false;
+    switch (laf)
+    {
+    case "crossplatform":
+      lafSet = setCrossPlatformLookAndFeel();
+      if (!lafSet)
+      {
+        Console.error("Could not set requested laf=" + laf);
+      }
+      break;
+    case "system":
+      lafSet = setSystemLookAndFeel();
+      if (!lafSet)
+      {
+        Console.error("Could not set requested laf=" + laf);
+      }
+      break;
+    case "gtk":
+      lafSet = setGtkLookAndFeel();
+      if (!lafSet)
+      {
+        Console.error("Could not set requested laf=" + laf);
+      }
+      break;
+    case "metal":
+      lafSet = setMetalLookAndFeel();
+      if (!lafSet)
+      {
+        Console.error("Could not set requested laf=" + laf);
+      }
+      break;
+    case "nimbus":
+      lafSet = setNimbusLookAndFeel();
+      if (!lafSet)
+      {
+        Console.error("Could not set requested laf=" + laf);
+      }
+      break;
+    case "flat":
+      lafSet = setFlatLookAndFeel();
+      if (!lafSet)
+      {
+        Console.error("Could not set requested laf=" + laf);
+      }
+      break;
+    case "mac":
+      lafSet = setMacLookAndFeel();
+      if (!lafSet)
+      {
+        Console.error("Could not set requested laf=" + laf);
+      }
+      break;
+    case "none":
+      break;
+    default:
+      Console.error("Requested laf=" + laf + " not implemented");
+    }
+    if (!lafSet)
+    {
+      setSystemLookAndFeel();
+      if (Platform.isLinux())
+      {
+        setLinuxLookAndFeel();
+      }
+      if (Platform.isMac())
+      {
+        setMacLookAndFeel();
+      }
+    }
+  }
+
   private static boolean setCrossPlatformLookAndFeel()
   {
     boolean set = false;
@@ -810,8 +1155,9 @@ public class Jalview
       set = true;
     } catch (Exception ex)
     {
-      System.err.println("Unexpected Look and Feel Exception");
-      ex.printStackTrace();
+      Console.error("Unexpected Look and Feel Exception");
+      Console.error(ex.getMessage());
+      Console.debug(Cache.getStackTraceString(ex));
     }
     return set;
   }
@@ -825,8 +1171,9 @@ public class Jalview
       set = true;
     } catch (Exception ex)
     {
-      System.err.println("Unexpected Look and Feel Exception");
-      ex.printStackTrace();
+      Console.error("Unexpected Look and Feel Exception");
+      Console.error(ex.getMessage());
+      Console.debug(Cache.getStackTraceString(ex));
     }
     return set;
   }
@@ -840,9 +1187,10 @@ public class Jalview
       for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels())
       {
         if (info.getName() != null && nameStartsWith
-                ? info.getName().toLowerCase()
-                        .startsWith(name.toLowerCase())
-                : info.getName().toLowerCase().equals(name.toLowerCase()))
+                ? info.getName().toLowerCase(Locale.ROOT)
+                        .startsWith(name.toLowerCase(Locale.ROOT))
+                : info.getName().toLowerCase(Locale.ROOT)
+                        .equals(name.toLowerCase(Locale.ROOT)))
         {
           className = info.getClassName();
           break;
@@ -852,8 +1200,9 @@ public class Jalview
       set = true;
     } catch (Exception ex)
     {
-      System.err.println("Unexpected Look and Feel Exception");
-      ex.printStackTrace();
+      Console.error("Unexpected Look and Feel Exception");
+      Console.error(ex.getMessage());
+      Console.debug(Cache.getStackTraceString(ex));
     }
     return set;
   }
@@ -876,32 +1225,145 @@ public class Jalview
             "javax.swing.plaf.nimbus.NimbusLookAndFeel", false);
   }
 
-  private static boolean setQuaquaLookAndFeel()
+  private static boolean setFlatLookAndFeel()
   {
-    return setSpecificLookAndFeel("quaqua",
-            ch.randelshofer.quaqua.QuaquaManager.getLookAndFeel().getClass()
-                    .getName(),
-            false);
-  }
+    boolean set = false;
+    if (SystemInfo.isMacOS)
+    {
+      try
+      {
+        UIManager.setLookAndFeel(
+                "com.formdev.flatlaf.themes.FlatMacLightLaf");
+        set = true;
+        Console.debug("Using FlatMacLightLaf");
+      } catch (ClassNotFoundException | InstantiationException
+              | IllegalAccessException | UnsupportedLookAndFeelException e)
+      {
+        Console.debug("Exception loading FlatLightLaf", e);
+      }
+      System.setProperty("apple.laf.useScreenMenuBar", "true");
+      System.setProperty("apple.awt.application.name",
+              ChannelProperties.getProperty("app_name"));
+      System.setProperty("apple.awt.application.appearance", "system");
+      if (SystemInfo.isMacFullWindowContentSupported
+              && Desktop.desktop != null)
+      {
+        Console.debug("Setting transparent title bar");
+        Desktop.desktop.getRootPane()
+                .putClientProperty("apple.awt.fullWindowContent", true);
+        Desktop.desktop.getRootPane()
+                .putClientProperty("apple.awt.transparentTitleBar", true);
+        Desktop.desktop.getRootPane()
+                .putClientProperty("apple.awt.fullscreenable", true);
+      }
+      SwingUtilities.invokeLater(() -> {
+        FlatMacLightLaf.setup();
+      });
+      Console.debug("Using FlatMacLightLaf");
+      set = true;
+    }
+    if (!set)
+    {
+      try
+      {
+        UIManager.setLookAndFeel("com.formdev.flatlaf.FlatLightLaf");
+        set = true;
+        Console.debug("Using FlatLightLaf");
+      } catch (ClassNotFoundException | InstantiationException
+              | IllegalAccessException | UnsupportedLookAndFeelException e)
+      {
+        Console.debug("Exception loading FlatLightLaf", e);
+      }
+      // Windows specific properties here
+      SwingUtilities.invokeLater(() -> {
+        FlatLightLaf.setup();
+      });
+      Console.debug("Using FlatLightLaf");
+      set = true;
+    }
+    else if (SystemInfo.isLinux)
+    {
+      try
+      {
+        UIManager.setLookAndFeel("com.formdev.flatlaf.FlatLightLaf");
+        set = true;
+        Console.debug("Using FlatLightLaf");
+      } catch (ClassNotFoundException | InstantiationException
+              | IllegalAccessException | UnsupportedLookAndFeelException e)
+      {
+        Console.debug("Exception loading FlatLightLaf", e);
+      }
+      // enable custom window decorations
+      JFrame.setDefaultLookAndFeelDecorated(true);
+      JDialog.setDefaultLookAndFeelDecorated(true);
+      SwingUtilities.invokeLater(() -> {
+        FlatLightLaf.setup();
+      });
+      Console.debug("Using FlatLightLaf");
+      set = true;
+    }
 
-  private static boolean setVaquaLookAndFeel()
-  {
-    return setSpecificLookAndFeel("vaqua",
-            "org.violetlib.aqua.AquaLookAndFeel", false);
+    if (!set)
+    {
+      try
+      {
+        UIManager.setLookAndFeel("com.formdev.flatlaf.FlatLightLaf");
+        set = true;
+        Console.debug("Using FlatLightLaf");
+      } catch (ClassNotFoundException | InstantiationException
+              | IllegalAccessException | UnsupportedLookAndFeelException e)
+      {
+        Console.debug("Exception loading FlatLightLaf", e);
+      }
+    }
+
+    if (set)
+    {
+      UIManager.put("TabbedPane.tabType", "card");
+      UIManager.put("TabbedPane.showTabSeparators", true);
+      UIManager.put("TabbedPane.showContentSeparator", true);
+      UIManager.put("TabbedPane.tabSeparatorsFullHeight", true);
+      UIManager.put("TabbedPane.tabsOverlapBorder", true);
+      UIManager.put("TabbedPane.hasFullBorder", true);
+      UIManager.put("TabbedPane.tabLayoutPolicy", "scroll");
+      UIManager.put("TabbedPane.scrollButtonsPolicy", "asNeeded");
+      UIManager.put("TabbedPane.smoothScrolling", true);
+      UIManager.put("TabbedPane.tabWidthMode", "compact");
+      UIManager.put("TabbedPane.selectedBackground", Color.white);
+    }
+
+    Desktop.setLiveDragMode(Cache.getDefault("FLAT_LIVE_DRAG_MODE", true));
+    return set;
   }
 
   private static boolean setMacLookAndFeel()
   {
     boolean set = false;
     System.setProperty("com.apple.mrj.application.apple.menu.about.name",
-            "Jalview");
+            ChannelProperties.getProperty("app_name"));
     System.setProperty("apple.laf.useScreenMenuBar", "true");
+    /*
+     * broken native LAFs on (ARM?) macbooks
     set = setQuaquaLookAndFeel();
     if ((!set) || !UIManager.getLookAndFeel().getClass().toString()
-            .toLowerCase().contains("quaqua"))
+            .toLowerCase(Locale.ROOT).contains("quaqua"))
     {
       set = setVaquaLookAndFeel();
     }
+     */
+    set = setFlatLookAndFeel();
+    return set;
+  }
+
+  private static boolean setLinuxLookAndFeel()
+  {
+    boolean set = false;
+    set = setFlatLookAndFeel();
+    if (!set)
+      set = setMetalLookAndFeel();
+    // avoid GtkLookAndFeel -- not good results especially on HiDPI
+    if (!set)
+      set = setNimbusLookAndFeel();
     return set;
   }
 
@@ -943,7 +1405,9 @@ public class Jalview
                     + "-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"
                     + "-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");
+                    + "-jvmmempc=PERCENT\tOnly available with standalone executable jar or jalview.bin.Launcher. Limit maximum heap size (memory) to PERCENT% of total physical memory detected. This defaults to 90 if total physical memory can be detected. See https://www.jalview.org/help/html/memory.html for more details.\n"
+                    + "-jvmmemmax=MAXMEMORY\tOnly available with standalone executable jar or jalview.bin.Launcher. Limit maximum heap size (memory) to MAXMEMORY. MAXMEMORY can be specified in bytes, kilobytes(k), megabytes(m), gigabytes(g) or if you're lucky enough, terabytes(t). This defaults to 32g if total physical memory can be detected, or to 8g if total physical memory cannot be detected. See https://www.jalview.org/help/html/memory.html for more details.\n"
+                    + "\n~Read documentation in Application or visit https://www.jalview.org for description of Features and Annotations file~\n\n");
   }
 
   private static void startUsageStats(final Desktop desktop)
@@ -961,17 +1425,17 @@ public class Jalview
               @Override
               public void run()
               {
-                Cache.log.debug(
+                Console.debug(
                         "Initialising googletracker for usage stats.");
                 Cache.initGoogleTracker();
-                Cache.log.debug("Tracking enabled.");
+                Console.debug("Tracking enabled.");
               }
             }, new Runnable()
             {
               @Override
               public void run()
               {
-                Cache.log.debug("Not enabling Google Tracking.");
+                Console.debug("Not enabling Google Tracking.");
               }
             }, null, true);
     desktop.addDialogThread(prompter);
@@ -1113,19 +1577,12 @@ public class Jalview
   }
 
   /**
-   * Quit method delegates to Desktop.quit - unless running in headless mode
-   * when it just ends the JVM
+   * jalview.bin.Jalview.quit() will just run the non-GUI shutdownHook and exit
    */
   public void quit()
   {
-    if (desktop != null)
-    {
-      desktop.quit();
-    }
-    else
-    {
-      System.exit(0);
-    }
+    // System.exit will run the shutdownHook first
+    Jalview.exit("Quitting now. Bye!", 0);
   }
 
   public static AlignFrame getCurrentAlignFrame()
@@ -1137,4 +1594,21 @@ public class Jalview
   {
     Jalview.currentAlignFrame = currentAlignFrame;
   }
+
+  protected Commands getCommands()
+  {
+    return cmds;
+  }
+
+  public static void exit(String message, int exitcode)
+  {
+    Console.debug("Using Jalview.exit");
+    if (message != null)
+      if (exitcode == 0)
+        Console.info(message);
+      else
+        Console.error(message);
+    if (exitcode > -1)
+      System.exit(exitcode);
+  }
 }