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 Toolkit tk = Toolkit.getDefaultToolkit();
116 Method method = tk.getClass().getMethod("getMenuShortcutKeyMaskEx");
118 method = tk.getClass().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)
133 * added to group mouse events into Windows and nonWindows (mac, unix, linux)
137 public static boolean isWin()
139 return (isWin == null
140 ? (isWin = (System.getProperty("os.name").indexOf("Win") >= 0))
146 * @return true if HTML5 JavaScript
148 public static boolean isJS()
154 * sorry folks - Macs really are different
156 * BH: disabled for SwingJS -- will need to check key-press issues
158 * @return true if we do things in a special way.
160 public static boolean isAMacAndNotJS()
162 return (isNoJSMac == null ? (isNoJSMac = !isJS && isMac()) : isNoJSMac);
166 * Check if we are on a Microsoft plaform...
168 * @return true if we have to cope with another platform variation
170 public static boolean isWindowsAndNotJS()
172 return (isNoJSWin == null ? (isNoJSWin = !isJS && isWin()) : isNoJSWin);
177 * @return true if we are running in non-interactive no UI mode
179 public static boolean isHeadless()
181 if (isHeadless == null)
183 isHeadless = "true".equals(System.getProperty("java.awt.headless"));
190 * @return nominal maximum command line length for this platform
192 public static int getMaxCommandLineLength()
194 // TODO: determine nominal limits for most platforms.
195 return 2046; // this is the max length for a windows NT system.
199 * Answers the input with every backslash replaced with a double backslash (an
200 * 'escaped' single backslash)
205 public static String escapeBackslashes(String s)
207 return s == null ? null : s.replace("\\", "\\\\");
211 * Answers true if the mouse event has Meta-down (Command key on Mac) or
212 * Ctrl-down (on other o/s). Note this answers _false_ if the Ctrl key is
213 * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-pressed on
214 * Mac, you can use e.isPopupTrigger().
219 public static boolean isControlDown(MouseEvent e)
221 return isControlDown(e, isMac());
225 * Overloaded version of method (to allow unit testing)
231 protected static boolean isControlDown(MouseEvent e, boolean aMac)
234 System.out.println(e.isPopupTrigger()
235 + " " + ((SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0)
236 + " " + e.isControlDown());
237 return (aMac ? !e.isPopupTrigger()
238 && (SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0
239 : e.isControlDown());
242 // BH: I don't know about that previous method. Here is what SwingJS uses.
243 // Notice the distinction in mouse events. (BUTTON3_MASK == META)
245 // private static boolean isPopupTrigger(int id, int mods, boolean isWin) {
246 // boolean rt = ((mods & InputEvent.BUTTON3_MASK) != 0);
248 // if (id != MouseEvent.MOUSE_RELEASED)
251 //// // Oddly, Windows returns InputEvent.META_DOWN_MASK on release, though
252 //// // BUTTON3_DOWN_MASK for pressed. So here we just accept both.
254 //// actually, we can use XXX_MASK, not XXX_DOWN_MASK and avoid this issue,
256 //// J2S adds the appropriate extended (0x3FC0) and simple (0x3F) modifiers.
260 // // mac, linux, unix
261 // if (id != MouseEvent.MOUSE_PRESSED)
263 // boolean lt = ((mods & InputEvent.BUTTON1_MASK) != 0);
264 // boolean ctrl = ((mods & InputEvent.CTRL_MASK) != 0);
265 // return rt || (ctrl && lt);
271 * Windows (not Mac, Linux, or Unix) and right button to test for the
272 * right-mouse pressed event in Windows that would have opened a menu or a
278 public static boolean isWinRightButton(MouseEvent e)
280 // was !isAMac(), but that is true also for Linux and Unix and JS,
282 return isWin() && SwingUtilities.isRightMouseButton(e);
286 * Windows (not Mac, Linux, or Unix) and middle button -- for mouse wheeling
287 * without pressing the button.
292 public static boolean isWinMiddleButton(MouseEvent e)
294 // was !isAMac(), but that is true also for Linux and Unix and JS
295 return isWin() && SwingUtilities.isMiddleMouseButton(e);
298 public static boolean allowMnemonics()
303 public final static int TIME_RESET = 0;
305 public final static int TIME_MARK = 1;
307 public static final int TIME_SET = 2;
309 public static final int TIME_GET = 3;
311 public static long time, mark, set, duration;
316 * Platform.timeCheck(null, Platform.TIME_MARK);
320 * Platform.timeCheck("some message", Platform.TIME_MARK);
322 * reset...[set/mark]n...get
327 public static void timeCheck(String msg, int mode)
329 long t = System.currentTimeMillis();
337 System.err.println("Platform: timer reset\t\t\t" + msg);
343 // total time between set/mark points
344 duration += (t - set);
354 System.err.println("Platform: timer mark\t" + ((t - time) / 1000f)
355 + "\t" + ((t - mark) / 1000f) + "\t" + msg);
366 System.err.println("Platform: timer dur\t" + ((t - time) / 1000f)
367 + "\t" + ((duration) / 1000f) + "\t" + msg);
374 public static void cacheFileData(String path, Object data)
376 if (isJS && data != null)
378 jsutil.cachePathData(path, data);
382 public static void cacheFileData(File file)
386 byte[] data = Platform.getFileBytes(file);
390 cacheFileData(file.toString(), data);
396 public static byte[] getFileBytes(File f)
398 return (isJS && f != null ? jsutil.getBytes(f) : null);
401 public static byte[] getFileAsBytes(String fileStr)
403 if (isJS && fileStr != null)
405 byte[] bytes = (byte[]) jsutil.getFile(fileStr, false);
406 cacheFileData(fileStr, bytes);
412 public static String getFileAsString(String url)
414 if (isJS && url != null)
416 String ret = (String) jsutil.getFile(url, true);
417 cacheFileData(url, ret);
423 public static boolean setFileBytes(File f, String urlstring)
425 if (isJS && f != null && urlstring != null)
427 @SuppressWarnings("unused")
428 byte[] bytes = getFileAsBytes(urlstring);
429 jsutil.setFileBytes(f, bytes);
435 public static void addJ2SBinaryType(String ext)
439 jsutil.addBinaryFileType(ext);
444 * Encode the URI using JavaScript encodeURIComponent
447 * @return encoded value
449 public static String encodeURI(String value)
452 * @j2sNative value = encodeURIComponent(value);
458 * Open the URL using a simple window call if this is JavaScript
461 * @return true if window has been opened
463 public static boolean openURL(String url) throws IOException
478 public static String getUniqueAppletID()
480 return (isJS ? (String) jsutil.getAppletAttribute("_uniqueId") : null);
484 * Read the Info block for this applet.
489 * @return unique id for this applet
491 public static void readInfoProperties(String prefix, Properties p)
495 String id = getUniqueAppletID();
499 @SuppressWarnings("unused")
500 Object info = jsutil.getAppletAttribute("__Info");
502 * @j2sNative for (key in info) { value = info[key];
505 if (key.indexOf(prefix) == 0)
507 System.out.println("Platform id=" + id + " reading Info." + key
519 public static void setAjaxJSON(URL url)
527 public static Object parseJSON(InputStream response)
528 throws IOException, ParseException
532 return JSON.parse(response);
535 BufferedReader br = null;
538 br = new BufferedReader(new InputStreamReader(response, "UTF-8"));
539 return new JSONParser().parse(br);
547 } catch (IOException e)
555 public static Object parseJSON(String json) throws ParseException
557 return (isJS() ? JSON.parse(json) : new JSONParser().parse(json));
560 public static Object parseJSON(Reader r)
561 throws IOException, ParseException
570 return new JSONParser().parse(r);
572 // Using a file reader is not currently supported in SwingJS JavaScript
574 if (r instanceof FileReader)
576 throw new IOException(
577 "StringJS does not support FileReader parsing for JSON -- but it could...");
579 return JSON.parse(r);
583 * Dump the input stream to an output file.
587 * @throws IOException
588 * if the file cannot be created or there is a problem reading the
591 public static void streamToFile(InputStream is, File outFile)
597 jsutil.setFileBytes(outFile, is);
601 FileOutputStream fio = new FileOutputStream(outFile);
604 byte[] bb = new byte[32 * 1024];
606 while ((l = is.read(bb)) > 0)
617 * Add a known domain that implements access-control-allow-origin:*
619 * These should be reviewed periodically.
622 * for a service that is not allowing ajax
624 * @author hansonr@stolaf.edu
627 public static void addJ2SDirectDatabaseCall(String domain)
632 jsutil.addDirectDatabaseCall(domain);
635 "Platform adding known access-control-allow-origin * for domain "
641 public static void getURLCommandArguments()
645 * Retrieve the first query field as command arguments to Jalview. Include
646 * only if prior to "?j2s" or "&j2s" or "#". Assign the applet's __Info.args
647 * element to this value.
650 * decodeURI((document.location.href.replace("&","?").split("?j2s")[0]
651 * + "?").split("?")[1].split("#")[0]); a &&
652 * (J2S.thisApplet.__Info.args = a.split(" "));
658 * A (case sensitive) file path comparator that ignores the difference between
665 public static boolean pathEquals(String path1, String path2)
669 return path2 == null;
675 String p1 = path1.replace('\\', '/');
676 String p2 = path2.replace('\\', '/');
677 return p1.equals(p2);
680 ///////////// JAL-3253 Applet additions //////////////
683 * Retrieve the object's embedded size from a div's style on a page if
684 * embedded in SwingJS.
687 * JFrame or JInternalFrame
688 * @param defaultWidth
689 * use -1 to return null (no default size)
690 * @param defaultHeight
691 * @return the embedded dimensions or null (no default size or not embedded)
693 public static Dimension getDimIfEmbedded(Component frame,
694 int defaultWidth, int defaultHeight)
699 d = (Dimension) getEmbeddedAttribute(frame, "dim");
701 return (d == null && defaultWidth >= 0
702 ? new Dimension(defaultWidth, defaultHeight)
707 public static Regex newRegex(String regex)
709 return newRegex(regex, null);
712 public static Regex newRegex(String searchString, String replaceString)
715 return (replaceString == null ? new Regex(searchString)
716 : new Regex(searchString, replaceString));
719 public static Regex newRegexPerl(String code)
722 return Regex.perlCode(code);
726 * Initialize Java debug logging. A representative sample -- adapt as desired.
728 public static void startJavaLogging()
734 logClass("java.awt.EventDispatchThread", "java.awt.EventQueue",
735 "java.awt.Component", "java.awt.focus.Component",
736 "java.awt.event.Component",
737 "java.awt.focus.DefaultKeyboardFocusManager");
742 * Initiate Java logging for a given class. Only for Java, not JavaScript;
743 * Allows debugging of complex event processing.
747 public static void logClass(String... classNames)
755 Logger rootLogger = Logger.getLogger("");
756 rootLogger.setLevel(Level.ALL);
757 ConsoleHandler consoleHandler = new ConsoleHandler();
758 consoleHandler.setLevel(Level.ALL);
759 for (int i = classNames.length; --i >= 0;)
761 Logger logger = Logger.getLogger(classNames[i]);
762 logger.setLevel(Level.ALL);
763 logger.addHandler(consoleHandler);
769 * load a resource -- probably a core file -- if and only if a particular
770 * class has not been instantialized. We use a String here because if we used
771 * a .class object, that reference itself would simply load the class, and we
772 * want the core package to include that as well.
774 * @param resourcePath
777 public static void loadStaticResource(String resourcePath,
782 jsutil.loadResourceIfClassUnknown(resourcePath, className);
786 public static void ensureRegex()
790 loadStaticResource("core/core_stevesoft.z.js",
791 "com.stevesoft.pat.Regex");
796 * Set the "app" property of the HTML5 applet object, for example,
797 * "testApplet.app", to point to the Jalview instance. This will be the object
798 * that page developers use that is similar to the original Java applet object
799 * that was accessed via LiveConnect.
803 public static void setAppClass(Object j)
807 jsutil.setAppletAttribute("app", j);
813 * If this frame ia embedded in a web page, return a known type.
816 * a JFrame or JInternalFrame
818 * @return null if frame is not embedded.
820 public static Object getEmbeddedAttribute(Component frame, String type)
822 return (isJS ? jsutil.getEmbeddedAttribute(frame, type) : null);
825 public static void stackTrace()
829 throw new NullPointerException();
830 } catch (Exception e)
837 public static URL getDocumentBase()
839 return (isJS ? jsutil.getDocumentBase() : null);
842 public static URL getCodeBase()
844 return (isJS ? jsutil.getCodeBase() : null);