X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FPlatform.java;h=ac848463a24e4fe52944f107f92789365ff60b6a;hb=f8d65c3705e11a6aacb4fcaff1bf76e4932f1609;hp=6dbe549ff19ad0f336d8e7c6152e649390431764;hpb=d7111d39548c57836f77bd4403bf2d124fd78820;p=jalview.git diff --git a/src/jalview/util/Platform.java b/src/jalview/util/Platform.java index 6dbe549..ac84846 100644 --- a/src/jalview/util/Platform.java +++ b/src/jalview/util/Platform.java @@ -22,7 +22,6 @@ package jalview.util; import java.awt.Component; import java.awt.Dimension; -import java.awt.GraphicsEnvironment; import java.awt.Toolkit; import java.awt.event.KeyEvent; import java.awt.event.MouseEvent; @@ -36,6 +35,16 @@ import java.io.InputStreamReader; import java.io.Reader; import java.lang.reflect.Method; import java.net.URL; +import java.nio.channels.Channels; +import java.nio.channels.ReadableByteChannel; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.nio.file.StandardCopyOption; +import java.nio.file.attribute.BasicFileAttributes; +import java.util.Date; +import java.util.Locale; +import java.util.Map; import java.util.Properties; import java.util.logging.ConsoleHandler; import java.util.logging.Level; @@ -48,6 +57,7 @@ import org.json.simple.parser.ParseException; import com.stevesoft.pat.Regex; +import jalview.bin.Jalview; import jalview.javascript.json.JSON; import swingjs.api.JSUtilI; @@ -56,7 +66,6 @@ import swingjs.api.JSUtilI; * * @author Jim Procter */ - public class Platform { @@ -69,7 +78,6 @@ public class Platform private static Boolean isHeadless = null; private static swingjs.api.JSUtilI jsutil; - static { @@ -77,6 +85,9 @@ public class Platform { try { + // this is ok - it's a highly embedded method in Java; the deprecation + // is + // really a recommended best practice. jsutil = ((JSUtilI) Class.forName("swingjs.JSUtil").newInstance()); } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) @@ -99,34 +110,52 @@ public class Platform : isMac); } - public static int SHIFT_DOWN_MASK = KeyEvent.SHIFT_DOWN_MASK; - - public static int ALT_DOWN_MASK = KeyEvent.ALT_DOWN_MASK; + public static int SHORTCUT_KEY_MASK = (Platform.isMac() + ? KeyEvent.META_DOWN_MASK + : KeyEvent.CTRL_DOWN_MASK); - public static int SHORTCUT_KEY_MASK = (Platform.isMac() ? KeyEvent.META_DOWN_MASK : KeyEvent.CTRL_DOWN_MASK); - static { - if (!GraphicsEnvironment.isHeadless()) + // Using non-deprecated Extended key mask modifiers, but Java 8 has no + // getMenuShortcutKeyMaskEx method + Toolkit tk = Toolkit.getDefaultToolkit(); + Method method = null; + try + { + method = tk.getClass().getMethod("getMenuShortcutKeyMaskEx"); + } catch (NoSuchMethodException e) + { + System.err.println( + "Could not find Toolkit method getMenuShortcutKeyMaskEx. Trying getMenuShortcutKeyMask."); + } + if (method == null) { try { - - Toolkit tk = Toolkit.getDefaultToolkit(); - Method method = tk.getClass().getMethod("getMenuShortcutKeyMaskEx"); - if (method == null) - method = tk.getClass().getMethod("getMenuShortcutKeyMask"); + method = tk.getClass().getMethod("getMenuShortcutKeyMask"); + } catch (NoSuchMethodException e) + { + System.err.println( + "Could not find Toolkit method getMenuShortcutKeyMaskEx or getMenuShortcutKeyMask."); + e.printStackTrace(); + } + } + if (method != null) + { + try + { + method.setAccessible(true); SHORTCUT_KEY_MASK = ((int) method.invoke(tk, new Object[0])); - if (SHORTCUT_KEY_MASK <= 0xF) - { - // shift this into the extended region (was Java 8) - SHORTCUT_KEY_MASK = SHORTCUT_KEY_MASK << 6; - } } catch (Exception e) { e.printStackTrace(); } } + if (SHORTCUT_KEY_MASK <= 0xF) + { + // shift this into the extended region (was Java 8) + SHORTCUT_KEY_MASK = SHORTCUT_KEY_MASK << 6; + } } /** @@ -230,14 +259,15 @@ public class Platform */ protected static boolean isControlDown(MouseEvent e, boolean aMac) { - - System.out.println(e.isPopupTrigger() - + " " + ((SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0) - + " " + e.isControlDown()); - return (aMac ? !e.isPopupTrigger() - && (SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0 + // + // System.out.println(e.isPopupTrigger() + // + " " + ((SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0) + // + " " + e.isControlDown()); + return (aMac + ? !e.isPopupTrigger() + && (SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0 : e.isControlDown()); - } + } // BH: I don't know about that previous method. Here is what SwingJS uses. // Notice the distinction in mouse events. (BUTTON3_MASK == META) @@ -638,20 +668,30 @@ public class Platform } + /** + * Allow for URL-line command arguments. Untested. + * + */ public static void getURLCommandArguments() { - /** - * Retrieve the first query field as command arguments to Jalview. Include - * only if prior to "?j2s" or "&j2s" or "#". Assign the applet's __Info.args - * element to this value. - * - * @j2sNative var a = - * decodeURI((document.location.href.replace("&","?").split("?j2s")[0] - * + "?").split("?")[1].split("#")[0]); a && - * (J2S.thisApplet.__Info.args = a.split(" ")); - */ - + try + { + /** + * Retrieve the first query field as command arguments to Jalview. Include + * only if prior to "?j2s" or "&j2s" or "#". Assign the applet's + * __Info.args element to this value. + * + * @j2sNative var a = + * decodeURI((document.location.href.replace("&","?").split("?j2s")[0] + * + "?").split("?")[1].split("#")[0]); a && + * (J2S.thisApplet.__Info.args = a.split(" ")); + * + * System.out.println("URL arguments: " + a); + */ + } catch (Throwable t) + { + } } /** @@ -804,17 +844,18 @@ public class Platform { if (isJS) { - jsutil.setAppletAttribute("app", j); + jsutil.setAppClass(j); } } /** * - * If this frame ia embedded in a web page, return a known type. + * If this frame is embedded in a web page, return a known type. * * @param frame * a JFrame or JInternalFrame * @param type + * "name", "node", "init", "dim", or any DOM attribute, such as "id" * @return null if frame is not embedded. */ public static Object getEmbeddedAttribute(Component frame, String type) @@ -844,4 +885,160 @@ public class Platform return (isJS ? jsutil.getCodeBase() : null); } + public static String getUserPath(String subpath) + { + char sep = File.separatorChar; + return System.getProperty("user.home") + sep + + subpath.replace('/', sep); + } + + /** + * This method enables checking if a cached file has exceeded a certain + * threshold(in days) + * + * @param file + * the cached file + * @param noOfDays + * the threshold in days + * @return + */ + public static boolean isFileOlderThanThreshold(File file, int noOfDays) + { + if (isJS()) + { + // not meaningful in SwingJS -- this is a session-specific temp file. It + // doesn't have a timestamp. + return false; + } + Path filePath = file.toPath(); + BasicFileAttributes attr; + int diffInDays = 0; + try + { + attr = Files.readAttributes(filePath, BasicFileAttributes.class); + diffInDays = (int) ((new Date().getTime() + - attr.lastModifiedTime().toMillis()) + / (1000 * 60 * 60 * 24)); + // System.out.println("Diff in days : " + diffInDays); + } catch (IOException e) + { + e.printStackTrace(); + } + return noOfDays <= diffInDays; + } + + /** + * Get the leading integer part of a string that begins with an integer. + * + * @param input + * - the string input to process + * @param failValue + * - value returned if unsuccessful + * @return + */ + public static int getLeadingIntegerValue(String input, int failValue) + { + if (input == null) + { + return failValue; + } + if (isJS) + { + int val = /** @j2sNative 1 ? parseInt(input) : */ + 0; + return (val == val + 0 ? val : failValue); + } + // JavaScript does not support Regex ? lookahead + String[] parts = input.split("(?=\\D)(?<=\\d)"); + if (parts != null && parts.length > 0 && parts[0].matches("[0-9]+")) + { + return Integer.valueOf(parts[0]); + } + return failValue; + } + + public static Map getAppletInfoAsMap() + { + return (isJS ? jsutil.getAppletInfoAsMap() : null); + } + + /** + * Get the SwingJS applet ID and combine that with the frameType + * + * @param frameType + * "alignment", "desktop", etc., or null + * @return + */ + public static String getAppID(String frameType) + { + + String id = Jalview.getInstance().j2sAppletID; + if (id == null) + { + Jalview.getInstance().j2sAppletID = id = (isJS + ? (String) jsutil.getAppletAttribute("_id") + : "jalview"); + } + return id + (frameType == null ? "" : "-" + frameType); + } + + /** + * Option to avoid unnecessary seeking of nonexistent resources in JavaScript. + * Works in Java as well. + * + * @param loc + * @return + */ + public static Locale getLocaleOrNone(Locale loc) + { + return (isJS && loc.getLanguage() == "en" ? new Locale("") : loc); + } + + /** + * From UrlDownloadClient; trivial in JavaScript; painful in Java. + * + * @param urlstring + * @param outfile + * @throws IOException + */ + public static void download(String urlstring, String outfile) + throws IOException + { + Path temp = null; + try (InputStream is = new URL(urlstring).openStream()) + { + if (isJS) + { // so much easier! + streamToFile(is, new File(outfile)); + return; + } + temp = Files.createTempFile(".jalview_", ".tmp"); + try (FileOutputStream fos = new FileOutputStream(temp.toString()); + ReadableByteChannel rbc = Channels.newChannel(is)) + { + fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); + // copy tempfile to outfile once our download completes + // incase something goes wrong + Files.copy(temp, Paths.get(outfile), + StandardCopyOption.REPLACE_EXISTING); + } + } catch (IOException e) + { + throw e; + } finally + { + try + { + if (temp != null) + { + Files.deleteIfExists(temp); + } + } catch (IOException e) + { + System.out.println("Exception while deleting download temp file: " + + e.getMessage()); + } + } + } + }