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.GraphicsEnvironment;
26 import java.awt.Toolkit;
27 import java.awt.event.KeyEvent;
28 import java.awt.event.MouseEvent;
29 import java.io.BufferedReader;
31 import java.io.FileOutputStream;
32 import java.io.FileReader;
33 import java.io.IOException;
34 import java.io.InputStream;
35 import java.io.InputStreamReader;
36 import java.io.Reader;
37 import java.lang.reflect.Method;
39 import java.util.Properties;
40 import java.util.logging.ConsoleHandler;
41 import java.util.logging.Level;
42 import java.util.logging.Logger;
44 import javax.swing.SwingUtilities;
46 import org.json.simple.parser.JSONParser;
47 import org.json.simple.parser.ParseException;
49 import com.stevesoft.pat.Regex;
51 import jalview.javascript.json.JSON;
52 import swingjs.api.JSUtilI;
55 * System platform information used by Applet and Application
63 private static boolean isJS = /** @j2sNative true || */
66 private static Boolean isNoJSMac = null, isNoJSWin = null, isMac = null,
69 private static Boolean isHeadless = null;
71 private static swingjs.api.JSUtilI jsutil;
80 jsutil = ((JSUtilI) Class.forName("swingjs.JSUtil").newInstance());
81 } catch (InstantiationException | IllegalAccessException
82 | ClassNotFoundException e)
88 // private static Boolean isHeadless = null;
91 * added to group mouse events into Windows and nonWindows (mac, unix, linux)
95 public static boolean isMac()
98 ? (isMac = (System.getProperty("os.name").indexOf("Mac") >= 0))
102 public static int SHIFT_DOWN_MASK = KeyEvent.SHIFT_DOWN_MASK;
104 public static int ALT_DOWN_MASK = KeyEvent.ALT_DOWN_MASK;
106 public static int SHORTCUT_KEY_MASK = (Platform.isMac() ? KeyEvent.META_DOWN_MASK : KeyEvent.CTRL_DOWN_MASK);
110 if (!GraphicsEnvironment.isHeadless())
115 Class<? extends Toolkit> tk = Toolkit.getDefaultToolkit().getClass();
116 Method method = tk.getMethod("getMenuShortcutKeyMaskEx");
118 method = tk.getMethod("getMenuShortcutKeyMask");
119 SHORTCUT_KEY_MASK = ((int) method.invoke(tk, new Object[0]));
120 if (SHORTCUT_KEY_MASK <= 0xF)
122 // shift this into the extended region (was Java 8)
123 SHORTCUT_KEY_MASK = SHORTCUT_KEY_MASK << 6;
125 } catch (Exception e)
132 * added to group mouse events into Windows and nonWindows (mac, unix, linux)
136 public static boolean isWin()
138 return (isWin == null
139 ? (isWin = (System.getProperty("os.name").indexOf("Win") >= 0))
145 * @return true if HTML5 JavaScript
147 public static boolean isJS()
153 * sorry folks - Macs really are different
155 * BH: disabled for SwingJS -- will need to check key-press issues
157 * @return true if we do things in a special way.
159 public static boolean isAMacAndNotJS()
161 return (isNoJSMac == null ? (isNoJSMac = !isJS && isMac()) : isNoJSMac);
165 * Check if we are on a Microsoft plaform...
167 * @return true if we have to cope with another platform variation
169 public static boolean isWindowsAndNotJS()
171 return (isNoJSWin == null ? (isNoJSWin = !isJS && isWin()) : isNoJSWin);
176 * @return true if we are running in non-interactive no UI mode
178 public static boolean isHeadless()
180 if (isHeadless == null)
182 isHeadless = "true".equals(System.getProperty("java.awt.headless"));
189 * @return nominal maximum command line length for this platform
191 public static int getMaxCommandLineLength()
193 // TODO: determine nominal limits for most platforms.
194 return 2046; // this is the max length for a windows NT system.
198 * Answers the input with every backslash replaced with a double backslash (an
199 * 'escaped' single backslash)
204 public static String escapeBackslashes(String s)
206 return s == null ? null : s.replace("\\", "\\\\");
210 * Answers true if the mouse event has Meta-down (Command key on Mac) or
211 * Ctrl-down (on other o/s). Note this answers _false_ if the Ctrl key is
212 * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-pressed on
213 * Mac, you can use e.isPopupTrigger().
218 public static boolean isControlDown(MouseEvent e)
220 return isControlDown(e, isMac());
224 * Overloaded version of method (to allow unit testing)
230 protected static boolean isControlDown(MouseEvent e, boolean aMac)
233 System.out.println(e.isPopupTrigger()
234 + " " + ((SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0)
235 + " " + e.isControlDown());
236 return (aMac ? !e.isPopupTrigger()
237 && (SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0
238 : e.isControlDown());
241 // BH: I don't know about that previous method. Here is what SwingJS uses.
242 // Notice the distinction in mouse events. (BUTTON3_MASK == META)
244 // private static boolean isPopupTrigger(int id, int mods, boolean isWin) {
245 // boolean rt = ((mods & InputEvent.BUTTON3_MASK) != 0);
247 // if (id != MouseEvent.MOUSE_RELEASED)
250 //// // Oddly, Windows returns InputEvent.META_DOWN_MASK on release, though
251 //// // BUTTON3_DOWN_MASK for pressed. So here we just accept both.
253 //// actually, we can use XXX_MASK, not XXX_DOWN_MASK and avoid this issue,
255 //// J2S adds the appropriate extended (0x3FC0) and simple (0x3F) modifiers.
259 // // mac, linux, unix
260 // if (id != MouseEvent.MOUSE_PRESSED)
262 // boolean lt = ((mods & InputEvent.BUTTON1_MASK) != 0);
263 // boolean ctrl = ((mods & InputEvent.CTRL_MASK) != 0);
264 // return rt || (ctrl && lt);
270 * Windows (not Mac, Linux, or Unix) and right button to test for the
271 * right-mouse pressed event in Windows that would have opened a menu or a
277 public static boolean isWinRightButton(MouseEvent e)
279 // was !isAMac(), but that is true also for Linux and Unix and JS,
281 return isWin() && SwingUtilities.isRightMouseButton(e);
285 * Windows (not Mac, Linux, or Unix) and middle button -- for mouse wheeling
286 * without pressing the button.
291 public static boolean isWinMiddleButton(MouseEvent e)
293 // was !isAMac(), but that is true also for Linux and Unix and JS
294 return isWin() && SwingUtilities.isMiddleMouseButton(e);
297 public static boolean allowMnemonics()
302 public final static int TIME_RESET = 0;
304 public final static int TIME_MARK = 1;
306 public static final int TIME_SET = 2;
308 public static final int TIME_GET = 3;
310 public static long time, mark, set, duration;
315 * Platform.timeCheck(null, Platform.TIME_MARK);
319 * Platform.timeCheck("some message", Platform.TIME_MARK);
321 * reset...[set/mark]n...get
326 public static void timeCheck(String msg, int mode)
328 long t = System.currentTimeMillis();
336 System.err.println("Platform: timer reset\t\t\t" + msg);
342 // total time between set/mark points
343 duration += (t - set);
353 System.err.println("Platform: timer mark\t" + ((t - time) / 1000f)
354 + "\t" + ((t - mark) / 1000f) + "\t" + msg);
365 System.err.println("Platform: timer dur\t" + ((t - time) / 1000f)
366 + "\t" + ((duration) / 1000f) + "\t" + msg);
373 public static void cacheFileData(String path, Object data)
375 if (isJS && data != null)
377 jsutil.cachePathData(path, data);
381 public static void cacheFileData(File file)
385 byte[] data = Platform.getFileBytes(file);
389 cacheFileData(file.toString(), data);
395 public static byte[] getFileBytes(File f)
397 return (isJS && f != null ? jsutil.getBytes(f) : null);
400 public static byte[] getFileAsBytes(String fileStr)
402 if (isJS && fileStr != null)
404 byte[] bytes = (byte[]) jsutil.getFile(fileStr, false);
405 cacheFileData(fileStr, bytes);
411 public static String getFileAsString(String url)
413 if (isJS && url != null)
415 String ret = (String) jsutil.getFile(url, true);
416 cacheFileData(url, ret);
422 public static boolean setFileBytes(File f, String urlstring)
424 if (isJS && f != null && urlstring != null)
426 @SuppressWarnings("unused")
427 byte[] bytes = getFileAsBytes(urlstring);
428 jsutil.setFileBytes(f, bytes);
434 public static void addJ2SBinaryType(String ext)
438 jsutil.addBinaryFileType(ext);
443 * Encode the URI using JavaScript encodeURIComponent
446 * @return encoded value
448 public static String encodeURI(String value)
451 * @j2sNative value = encodeURIComponent(value);
457 * Open the URL using a simple window call if this is JavaScript
460 * @return true if window has been opened
462 public static boolean openURL(String url) throws IOException
477 public static String getUniqueAppletID()
479 return (isJS ? (String) jsutil.getAppletAttribute("_uniqueId") : null);
483 * Read the Info block for this applet.
488 * @return unique id for this applet
490 public static void readInfoProperties(String prefix, Properties p)
494 String id = getUniqueAppletID();
498 @SuppressWarnings("unused")
499 Object info = jsutil.getAppletAttribute("__Info");
501 * @j2sNative for (key in info) { value = info[key];
504 if (key.indexOf(prefix) == 0)
506 System.out.println("Platform id=" + id + " reading Info." + key
518 public static void setAjaxJSON(URL url)
526 public static Object parseJSON(InputStream response)
527 throws IOException, ParseException
531 return JSON.parse(response);
534 BufferedReader br = null;
537 br = new BufferedReader(new InputStreamReader(response, "UTF-8"));
538 return new JSONParser().parse(br);
546 } catch (IOException e)
554 public static Object parseJSON(String json) throws ParseException
556 return (isJS() ? JSON.parse(json) : new JSONParser().parse(json));
559 public static Object parseJSON(Reader r)
560 throws IOException, ParseException
569 return new JSONParser().parse(r);
571 // Using a file reader is not currently supported in SwingJS JavaScript
573 if (r instanceof FileReader)
575 throw new IOException(
576 "StringJS does not support FileReader parsing for JSON -- but it could...");
578 return JSON.parse(r);
582 * Dump the input stream to an output file.
586 * @throws IOException
587 * if the file cannot be created or there is a problem reading the
590 public static void streamToFile(InputStream is, File outFile)
596 jsutil.setFileBytes(outFile, is);
600 FileOutputStream fio = new FileOutputStream(outFile);
603 byte[] bb = new byte[32 * 1024];
605 while ((l = is.read(bb)) > 0)
616 * Add a known domain that implements access-control-allow-origin:*
618 * These should be reviewed periodically.
621 * for a service that is not allowing ajax
623 * @author hansonr@stolaf.edu
626 public static void addJ2SDirectDatabaseCall(String domain)
631 jsutil.addDirectDatabaseCall(domain);
634 "Platform adding known access-control-allow-origin * for domain "
640 public static void getURLCommandArguments()
644 * Retrieve the first query field as command arguments to Jalview. Include
645 * only if prior to "?j2s" or "&j2s" or "#". Assign the applet's __Info.args
646 * element to this value.
649 * decodeURI((document.location.href.replace("&","?").split("?j2s")[0]
650 * + "?").split("?")[1].split("#")[0]); a &&
651 * (J2S.thisApplet.__Info.args = a.split(" "));
657 * A (case sensitive) file path comparator that ignores the difference between
664 public static boolean pathEquals(String path1, String path2)
668 return path2 == null;
674 String p1 = path1.replace('\\', '/');
675 String p2 = path2.replace('\\', '/');
676 return p1.equals(p2);
679 ///////////// JAL-3253 Applet additions //////////////
682 * Retrieve the object's embedded size from a div's style on a page if
683 * embedded in SwingJS.
686 * JFrame or JInternalFrame
687 * @param defaultWidth
688 * use -1 to return null (no default size)
689 * @param defaultHeight
690 * @return the embedded dimensions or null (no default size or not embedded)
692 public static Dimension getDimIfEmbedded(Component frame,
693 int defaultWidth, int defaultHeight)
698 d = (Dimension) getEmbeddedAttribute(frame, "dim");
700 return (d == null && defaultWidth >= 0
701 ? new Dimension(defaultWidth, defaultHeight)
706 public static Regex newRegex(String regex)
708 return newRegex(regex, null);
711 public static Regex newRegex(String searchString, String replaceString)
714 return (replaceString == null ? new Regex(searchString)
715 : new Regex(searchString, replaceString));
718 public static Regex newRegexPerl(String code)
721 return Regex.perlCode(code);
725 * Initialize Java debug logging. A representative sample -- adapt as desired.
727 public static void startJavaLogging()
733 logClass("java.awt.EventDispatchThread", "java.awt.EventQueue",
734 "java.awt.Component", "java.awt.focus.Component",
735 "java.awt.event.Component",
736 "java.awt.focus.DefaultKeyboardFocusManager");
741 * Initiate Java logging for a given class. Only for Java, not JavaScript;
742 * Allows debugging of complex event processing.
746 public static void logClass(String... classNames)
754 Logger rootLogger = Logger.getLogger("");
755 rootLogger.setLevel(Level.ALL);
756 ConsoleHandler consoleHandler = new ConsoleHandler();
757 consoleHandler.setLevel(Level.ALL);
758 for (int i = classNames.length; --i >= 0;)
760 Logger logger = Logger.getLogger(classNames[i]);
761 logger.setLevel(Level.ALL);
762 logger.addHandler(consoleHandler);
768 * load a resource -- probably a core file -- if and only if a particular
769 * class has not been instantialized. We use a String here because if we used
770 * a .class object, that reference itself would simply load the class, and we
771 * want the core package to include that as well.
773 * @param resourcePath
776 public static void loadStaticResource(String resourcePath,
781 jsutil.loadResourceIfClassUnknown(resourcePath, className);
785 public static void ensureRegex()
789 loadStaticResource("core/core_stevesoft.z.js",
790 "com.stevesoft.pat.Regex");
795 * Set the "app" property of the HTML5 applet object, for example,
796 * "testApplet.app", to point to the Jalview instance. This will be the object
797 * that page developers use that is similar to the original Java applet object
798 * that was accessed via LiveConnect.
802 public static void setAppClass(Object j)
806 jsutil.setAppletAttribute("app", j);
812 * If this frame ia embedded in a web page, return a known type.
815 * a JFrame or JInternalFrame
817 * @return null if frame is not embedded.
819 public static Object getEmbeddedAttribute(Component frame, String type)
821 return (isJS ? jsutil.getEmbeddedAttribute(frame, type) : null);
824 public static void stackTrace()
828 throw new NullPointerException();
829 } catch (Exception e)
836 public static URL getDocumentBase()
838 return (isJS ? jsutil.getDocumentBase() : null);
841 public static URL getCodeBase()
843 return (isJS ? jsutil.getCodeBase() : null);