X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FPlatform.java;h=62f618a8c235d3479204de18a93a3691dde14411;hb=912ad6b2decd3d06a1a6f55ef1db0fc7bd127d53;hp=6dbe549ff19ad0f336d8e7c6152e649390431764;hpb=d7111d39548c57836f77bd4403bf2d124fd78820;p=jalview.git diff --git a/src/jalview/util/Platform.java b/src/jalview/util/Platform.java index 6dbe549..62f618a 100644 --- a/src/jalview/util/Platform.java +++ b/src/jalview/util/Platform.java @@ -36,6 +36,16 @@ 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 +58,7 @@ 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 +67,6 @@ import swingjs.api.JSUtilI; * * @author Jim Procter */ - public class Platform { @@ -69,7 +79,6 @@ public class Platform private static Boolean isHeadless = null; private static swingjs.api.JSUtilI jsutil; - static { @@ -77,6 +86,9 @@ 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) @@ -99,10 +111,6 @@ 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); static @@ -230,14 +238,14 @@ public class Platform */ protected static boolean isControlDown(MouseEvent e, boolean aMac) { - - System.out.println(e.isPopupTrigger() - + " " + ((SHORTCUT_KEY_MASK & e.getModifiersEx()) != 0) - + " " + e.isControlDown()); +// +// 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) @@ -638,9 +646,14 @@ public class Platform } + /** + * Allow for URL-line command arguments. Untested. + * + */ public static void getURLCommandArguments() { + 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 @@ -650,8 +663,11 @@ public class Platform * 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 +820,17 @@ 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 + * @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 +860,160 @@ 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()); + } + } + } + }