2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import java.awt.Component;
24 import java.awt.Dimension;
25 import java.awt.Toolkit;
26 import java.awt.event.MouseEvent;
27 import java.io.BufferedReader;
29 import java.io.FileOutputStream;
30 import java.io.FileReader;
31 import java.io.IOException;
32 import java.io.InputStream;
33 import java.io.InputStreamReader;
34 import java.io.Reader;
36 import java.nio.channels.Channels;
37 import java.nio.channels.ReadableByteChannel;
38 import java.nio.file.Files;
39 import java.nio.file.Path;
40 import java.nio.file.Paths;
41 import java.nio.file.StandardCopyOption;
42 import java.nio.file.attribute.BasicFileAttributes;
43 import java.util.Date;
44 import java.util.Locale;
46 import java.util.Properties;
47 import java.util.logging.ConsoleHandler;
48 import java.util.logging.Level;
49 import java.util.logging.Logger;
51 import javax.swing.SwingUtilities;
53 import org.json.simple.parser.JSONParser;
54 import org.json.simple.parser.ParseException;
56 import com.stevesoft.pat.Regex;
58 import jalview.bin.Jalview;
59 import jalview.javascript.json.JSON;
60 import swingjs.api.JSUtilI;
63 * System platform information used by Applet and Application
70 private static boolean isJS = /** @j2sNative true || */
73 private static Boolean isNoJSMac = null, isNoJSWin = null, isMac = null,
76 private static Boolean isHeadless = null;
78 private static swingjs.api.JSUtilI jsutil;
86 // this is ok - it's a highly embedded method in Java; the deprecation
88 // really a recommended best practice.
89 jsutil = ((JSUtilI) Class.forName("swingjs.JSUtil").newInstance());
90 } catch (InstantiationException | IllegalAccessException
91 | ClassNotFoundException e)
97 // private static Boolean isHeadless = null;
100 * added to group mouse events into Windows and nonWindows (mac, unix, linux)
104 public static boolean isMac()
106 return (isMac == null
107 ? (isMac = (System.getProperty("os.name").indexOf("Mac") >= 0))
111 public static int SHIFT_DOWN_MASK = KeyEvent.SHIFT_DOWN_MASK;
113 public static int ALT_DOWN_MASK = KeyEvent.ALT_DOWN_MASK;
115 public static int SHORTCUT_KEY_MASK = (Platform.isMac() ? KeyEvent.META_DOWN_MASK : KeyEvent.CTRL_DOWN_MASK);
119 if (!GraphicsEnvironment.isHeadless())
124 Toolkit tk = Toolkit.getDefaultToolkit();
125 Method method = tk.getClass().getMethod("getMenuShortcutKeyMaskEx");
127 method = tk.getClass().getMethod("getMenuShortcutKeyMask");
128 SHORTCUT_KEY_MASK = ((int) method.invoke(tk, new Object[0]));
129 if (SHORTCUT_KEY_MASK <= 0xF)
131 // shift this into the extended region (was Java 8)
132 SHORTCUT_KEY_MASK = SHORTCUT_KEY_MASK << 6;
134 } catch (Exception e)
142 * added to group mouse events into Windows and nonWindows (mac, unix, linux)
146 public static boolean isWin()
148 return (isWin == null
149 ? (isWin = (System.getProperty("os.name").indexOf("Win") >= 0))
155 * @return true if HTML5 JavaScript
157 public static boolean isJS()
163 * sorry folks - Macs really are different
165 * BH: disabled for SwingJS -- will need to check key-press issues
167 * @return true if we do things in a special way.
169 public static boolean isAMacAndNotJS()
171 return (isNoJSMac == null ? (isNoJSMac = !isJS && isMac()) : isNoJSMac);
175 * Check if we are on a Microsoft plaform...
177 * @return true if we have to cope with another platform variation
179 public static boolean isWindowsAndNotJS()
181 return (isNoJSWin == null ? (isNoJSWin = !isJS && isWin()) : isNoJSWin);
186 * @return true if we are running in non-interactive no UI mode
188 public static boolean isHeadless()
190 if (isHeadless == null)
192 isHeadless = "true".equals(System.getProperty("java.awt.headless"));
199 * @return nominal maximum command line length for this platform
201 public static int getMaxCommandLineLength()
203 // TODO: determine nominal limits for most platforms.
204 return 2046; // this is the max length for a windows NT system.
208 * Answers the input with every backslash replaced with a double backslash (an
209 * 'escaped' single backslash)
214 public static String escapeBackslashes(String s)
216 return s == null ? null : s.replace("\\", "\\\\");
220 * Answers true if the mouse event has Meta-down (Command key on Mac) or
221 * Ctrl-down (on other o/s). Note this answers _false_ if the Ctrl key is
222 * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-pressed on
223 * Mac, you can use e.isPopupTrigger().
228 public static boolean isControlDown(MouseEvent e)
230 return isControlDown(e, isMac());
234 * Overloaded version of method (to allow unit testing)
240 protected static boolean isControlDown(MouseEvent e, boolean aMac)
243 System.out.println(e.isPopupTrigger()
244 + " " + ((SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0)
245 + " " + e.isControlDown());
246 return (aMac ? !e.isPopupTrigger()
247 && (SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0
248 : e.isControlDown());
251 // BH: I don't know about that previous method. Here is what SwingJS uses.
252 // Notice the distinction in mouse events. (BUTTON3_MASK == META)
254 // private static boolean isPopupTrigger(int id, int mods, boolean isWin) {
255 // boolean rt = ((mods & InputEvent.BUTTON3_MASK) != 0);
257 // if (id != MouseEvent.MOUSE_RELEASED)
260 //// // Oddly, Windows returns InputEvent.META_DOWN_MASK on release, though
261 //// // BUTTON3_DOWN_MASK for pressed. So here we just accept both.
263 //// actually, we can use XXX_MASK, not XXX_DOWN_MASK and avoid this issue,
265 //// J2S adds the appropriate extended (0x3FC0) and simple (0x3F) modifiers.
269 // // mac, linux, unix
270 // if (id != MouseEvent.MOUSE_PRESSED)
272 // boolean lt = ((mods & InputEvent.BUTTON1_MASK) != 0);
273 // boolean ctrl = ((mods & InputEvent.CTRL_MASK) != 0);
274 // return rt || (ctrl && lt);
280 * Windows (not Mac, Linux, or Unix) and right button to test for the
281 * right-mouse pressed event in Windows that would have opened a menu or a
287 public static boolean isWinRightButton(MouseEvent e)
289 // was !isAMac(), but that is true also for Linux and Unix and JS,
291 return isWin() && SwingUtilities.isRightMouseButton(e);
295 * Windows (not Mac, Linux, or Unix) and middle button -- for mouse wheeling
296 * without pressing the button.
301 public static boolean isWinMiddleButton(MouseEvent e)
303 // was !isAMac(), but that is true also for Linux and Unix and JS
304 return isWin() && SwingUtilities.isMiddleMouseButton(e);
307 public static boolean allowMnemonics()
312 public final static int TIME_RESET = 0;
314 public final static int TIME_MARK = 1;
316 public static final int TIME_SET = 2;
318 public static final int TIME_GET = 3;
320 public static long time, mark, set, duration;
325 * Platform.timeCheck(null, Platform.TIME_MARK);
329 * Platform.timeCheck("some message", Platform.TIME_MARK);
331 * reset...[set/mark]n...get
336 public static void timeCheck(String msg, int mode)
338 long t = System.currentTimeMillis();
346 System.err.println("Platform: timer reset\t\t\t" + msg);
352 // total time between set/mark points
353 duration += (t - set);
363 System.err.println("Platform: timer mark\t" + ((t - time) / 1000f)
364 + "\t" + ((t - mark) / 1000f) + "\t" + msg);
375 System.err.println("Platform: timer dur\t" + ((t - time) / 1000f)
376 + "\t" + ((duration) / 1000f) + "\t" + msg);
383 public static void cacheFileData(String path, Object data)
385 if (isJS && data != null)
387 jsutil.cachePathData(path, data);
391 public static void cacheFileData(File file)
395 byte[] data = Platform.getFileBytes(file);
399 cacheFileData(file.toString(), data);
405 public static byte[] getFileBytes(File f)
407 return (isJS && f != null ? jsutil.getBytes(f) : null);
410 public static byte[] getFileAsBytes(String fileStr)
412 if (isJS && fileStr != null)
414 byte[] bytes = (byte[]) jsutil.getFile(fileStr, false);
415 cacheFileData(fileStr, bytes);
421 public static String getFileAsString(String url)
423 if (isJS && url != null)
425 String ret = (String) jsutil.getFile(url, true);
426 cacheFileData(url, ret);
432 public static boolean setFileBytes(File f, String urlstring)
434 if (isJS && f != null && urlstring != null)
436 @SuppressWarnings("unused")
437 byte[] bytes = getFileAsBytes(urlstring);
438 jsutil.setFileBytes(f, bytes);
444 public static void addJ2SBinaryType(String ext)
448 jsutil.addBinaryFileType(ext);
453 * Encode the URI using JavaScript encodeURIComponent
456 * @return encoded value
458 public static String encodeURI(String value)
461 * @j2sNative value = encodeURIComponent(value);
467 * Open the URL using a simple window call if this is JavaScript
470 * @return true if window has been opened
472 public static boolean openURL(String url) throws IOException
487 public static String getUniqueAppletID()
489 return (isJS ? (String) jsutil.getAppletAttribute("_uniqueId") : null);
493 * Read the Info block for this applet.
498 * @return unique id for this applet
500 public static void readInfoProperties(String prefix, Properties p)
504 String id = getUniqueAppletID();
508 @SuppressWarnings("unused")
509 Object info = jsutil.getAppletAttribute("__Info");
511 * @j2sNative for (key in info) { value = info[key];
514 if (key.indexOf(prefix) == 0)
516 System.out.println("Platform id=" + id + " reading Info." + key
528 public static void setAjaxJSON(URL url)
536 public static Object parseJSON(InputStream response)
537 throws IOException, ParseException
541 return JSON.parse(response);
544 BufferedReader br = null;
547 br = new BufferedReader(new InputStreamReader(response, "UTF-8"));
548 return new JSONParser().parse(br);
556 } catch (IOException e)
564 public static Object parseJSON(String json) throws ParseException
566 return (isJS() ? JSON.parse(json) : new JSONParser().parse(json));
569 public static Object parseJSON(Reader r)
570 throws IOException, ParseException
579 return new JSONParser().parse(r);
581 // Using a file reader is not currently supported in SwingJS JavaScript
583 if (r instanceof FileReader)
585 throw new IOException(
586 "StringJS does not support FileReader parsing for JSON -- but it could...");
588 return JSON.parse(r);
592 * Dump the input stream to an output file.
596 * @throws IOException
597 * if the file cannot be created or there is a problem reading the
600 public static void streamToFile(InputStream is, File outFile)
606 jsutil.setFileBytes(outFile, is);
610 FileOutputStream fio = new FileOutputStream(outFile);
613 byte[] bb = new byte[32 * 1024];
615 while ((l = is.read(bb)) > 0)
626 * Add a known domain that implements access-control-allow-origin:*
628 * These should be reviewed periodically.
631 * for a service that is not allowing ajax
633 * @author hansonr@stolaf.edu
636 public static void addJ2SDirectDatabaseCall(String domain)
641 jsutil.addDirectDatabaseCall(domain);
644 "Platform adding known access-control-allow-origin * for domain "
651 * Allow for URL-line command arguments. Untested.
654 public static void getURLCommandArguments()
659 * Retrieve the first query field as command arguments to Jalview. Include
660 * only if prior to "?j2s" or "&j2s" or "#". Assign the applet's __Info.args
661 * element to this value.
664 * decodeURI((document.location.href.replace("&","?").split("?j2s")[0]
665 * + "?").split("?")[1].split("#")[0]); a &&
666 * (J2S.thisApplet.__Info.args = a.split(" "));
668 * System.out.println("URL arguments: " + a);
670 } catch (Throwable t) {
675 * A (case sensitive) file path comparator that ignores the difference between
682 public static boolean pathEquals(String path1, String path2)
686 return path2 == null;
692 String p1 = path1.replace('\\', '/');
693 String p2 = path2.replace('\\', '/');
694 return p1.equals(p2);
697 ///////////// JAL-3253 Applet additions //////////////
700 * Retrieve the object's embedded size from a div's style on a page if
701 * embedded in SwingJS.
704 * JFrame or JInternalFrame
705 * @param defaultWidth
706 * use -1 to return null (no default size)
707 * @param defaultHeight
708 * @return the embedded dimensions or null (no default size or not embedded)
710 public static Dimension getDimIfEmbedded(Component frame,
711 int defaultWidth, int defaultHeight)
716 d = (Dimension) getEmbeddedAttribute(frame, "dim");
718 return (d == null && defaultWidth >= 0
719 ? new Dimension(defaultWidth, defaultHeight)
724 public static Regex newRegex(String regex)
726 return newRegex(regex, null);
729 public static Regex newRegex(String searchString, String replaceString)
732 return (replaceString == null ? new Regex(searchString)
733 : new Regex(searchString, replaceString));
736 public static Regex newRegexPerl(String code)
739 return Regex.perlCode(code);
743 * Initialize Java debug logging. A representative sample -- adapt as desired.
745 public static void startJavaLogging()
751 logClass("java.awt.EventDispatchThread", "java.awt.EventQueue",
752 "java.awt.Component", "java.awt.focus.Component",
753 "java.awt.event.Component",
754 "java.awt.focus.DefaultKeyboardFocusManager");
759 * Initiate Java logging for a given class. Only for Java, not JavaScript;
760 * Allows debugging of complex event processing.
764 public static void logClass(String... classNames)
772 Logger rootLogger = Logger.getLogger("");
773 rootLogger.setLevel(Level.ALL);
774 ConsoleHandler consoleHandler = new ConsoleHandler();
775 consoleHandler.setLevel(Level.ALL);
776 for (int i = classNames.length; --i >= 0;)
778 Logger logger = Logger.getLogger(classNames[i]);
779 logger.setLevel(Level.ALL);
780 logger.addHandler(consoleHandler);
786 * load a resource -- probably a core file -- if and only if a particular
787 * class has not been instantialized. We use a String here because if we used
788 * a .class object, that reference itself would simply load the class, and we
789 * want the core package to include that as well.
791 * @param resourcePath
794 public static void loadStaticResource(String resourcePath,
799 jsutil.loadResourceIfClassUnknown(resourcePath, className);
803 public static void ensureRegex()
807 loadStaticResource("core/core_stevesoft.z.js",
808 "com.stevesoft.pat.Regex");
813 * Set the "app" property of the HTML5 applet object, for example,
814 * "testApplet.app", to point to the Jalview instance. This will be the object
815 * that page developers use that is similar to the original Java applet object
816 * that was accessed via LiveConnect.
820 public static void setAppClass(Object j)
824 jsutil.setAppClass(j);
830 * If this frame is embedded in a web page, return a known type.
833 * a JFrame or JInternalFrame
834 * @param type "name", "node", "init", "dim", or any DOM attribute, such as "id"
835 * @return null if frame is not embedded.
837 public static Object getEmbeddedAttribute(Component frame, String type)
839 return (isJS ? jsutil.getEmbeddedAttribute(frame, type) : null);
842 public static void stackTrace()
846 throw new NullPointerException();
847 } catch (Exception e)
854 public static URL getDocumentBase()
856 return (isJS ? jsutil.getDocumentBase() : null);
859 public static URL getCodeBase()
861 return (isJS ? jsutil.getCodeBase() : null);
864 public static String getUserPath(String subpath)
866 char sep = File.separatorChar;
867 return System.getProperty("user.home") + sep
868 + subpath.replace('/', sep);
872 * This method enables checking if a cached file has exceeded a certain
878 * the threshold in days
881 public static boolean isFileOlderThanThreshold(File file, int noOfDays)
885 // not meaningful in SwingJS -- this is a session-specific temp file. It
886 // doesn't have a timestamp.
889 Path filePath = file.toPath();
890 BasicFileAttributes attr;
894 attr = Files.readAttributes(filePath, BasicFileAttributes.class);
895 diffInDays = (int) ((new Date().getTime()
896 - attr.lastModifiedTime().toMillis())
897 / (1000 * 60 * 60 * 24));
898 // System.out.println("Diff in days : " + diffInDays);
899 } catch (IOException e)
903 return noOfDays <= diffInDays;
907 * Get the leading integer part of a string that begins with an integer.
910 * - the string input to process
912 * - value returned if unsuccessful
915 public static int getLeadingIntegerValue(String input, int failValue)
923 int val = /** @j2sNative 1 ? parseInt(input) : */
925 return (val == val + 0 ? val : failValue);
927 // JavaScript does not support Regex ? lookahead
928 String[] parts = input.split("(?=\\D)(?<=\\d)");
929 if (parts != null && parts.length > 0 && parts[0].matches("[0-9]+"))
931 return Integer.valueOf(parts[0]);
936 public static Map<String, Object> getAppletInfoAsMap()
938 return (isJS ? jsutil.getAppletInfoAsMap() : null);
942 * Get the SwingJS applet ID and combine that with the frameType
945 * "alignment", "desktop", etc., or null
948 public static String getAppID(String frameType)
951 String id = Jalview.getInstance().j2sAppletID;
954 Jalview.getInstance().j2sAppletID = id = (isJS ? (String) jsutil
955 .getAppletAttribute("_id") : "jalview");
957 return id + (frameType == null ? "" : "-" + frameType);
962 * Option to avoid unnecessary seeking of nonexistent resources in JavaScript.
963 * Works in Java as well.
968 public static Locale getLocaleOrNone(Locale loc)
970 return (isJS && loc.getLanguage() == "en" ? new Locale("") : loc);
974 * From UrlDownloadClient; trivial in JavaScript; painful in Java.
978 * @throws IOException
980 public static void download(String urlstring, String outfile)
984 try (InputStream is = new URL(urlstring).openStream())
988 streamToFile(is, new File(outfile));
991 temp = Files.createTempFile(".jalview_", ".tmp");
992 try (FileOutputStream fos = new FileOutputStream(temp.toString());
993 ReadableByteChannel rbc = Channels.newChannel(is))
995 fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
996 // copy tempfile to outfile once our download completes
997 // incase something goes wrong
998 Files.copy(temp, Paths.get(outfile),
999 StandardCopyOption.REPLACE_EXISTING);
1001 } catch (IOException e)
1010 Files.deleteIfExists(temp);
1012 } catch (IOException e)
1014 System.out.println("Exception while deleting download temp file: "