*/
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;
+import java.io.BufferedReader;
import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStream;
+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;
+import java.util.logging.Logger;
import javax.swing.SwingUtilities;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+
+import com.stevesoft.pat.Regex;
+
+import jalview.bin.Jalview;
+import jalview.javascript.json.JSON;
+import swingjs.api.JSUtilI;
+
/**
* System platform information used by Applet and Application
*
public class Platform
{
- private static boolean isJS = /** @j2sNative true || */false;
+ private static boolean isJS = /** @j2sNative true || */
+ false;
+
+ private static Boolean isNoJSMac = null, isNoJSWin = null, isMac = null,
+ isWin = null;
- private static Boolean isNoJSMac = null, isNoJSWin = null,
- isMac = null, isWin = null;
-
private static Boolean isHeadless = null;
+ private static swingjs.api.JSUtilI jsutil;
+
+ static
+ {
+ if (isJS)
+ {
+ 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)
+ {
+ e.printStackTrace();
+ }
+ }
+ }
+ // private static Boolean isHeadless = null;
+
/**
* added to group mouse events into Windows and nonWindows (mac, unix, linux)
+ *
* @return
*/
public static boolean isMac()
{
- return (isMac == null ? (isMac = (System.getProperty("os.name").indexOf("Mac") >= 0)) : isMac);
+ return (isMac == null
+ ? (isMac = (System.getProperty("os.name").indexOf("Mac") >= 0))
+ : isMac);
+ }
+
+ public static int SHORTCUT_KEY_MASK = (Platform.isMac() ? KeyEvent.META_DOWN_MASK : KeyEvent.CTRL_DOWN_MASK);
+
+ static
+ {
+ if (!GraphicsEnvironment.isHeadless())
+ {
+ try
+ {
+
+ Toolkit tk = Toolkit.getDefaultToolkit();
+ Method method = tk.getClass().getMethod("getMenuShortcutKeyMaskEx");
+ if (method == null)
+ method = tk.getClass().getMethod("getMenuShortcutKeyMask");
+ 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();
+ }
+ }
}
/**
* added to group mouse events into Windows and nonWindows (mac, unix, linux)
+ *
* @return
*/
- public static boolean isWin()
+ public static boolean isWin()
{
- return (isWin == null ? (isWin = (System.getProperty("os.name").indexOf("Win") >= 0)) : isWin);
+ return (isWin == null
+ ? (isWin = (System.getProperty("os.name").indexOf("Win") >= 0))
+ : isWin);
}
/**
*/
public static boolean isJS()
{
- return isJS;
+ return isJS;
}
/**
*/
public static boolean isAMacAndNotJS()
{
- return (isNoJSMac == null ? (isNoJSMac = !isJS && isMac()) : isNoJSMac);
+ return (isNoJSMac == null ? (isNoJSMac = !isJS && isMac()) : isNoJSMac);
}
-/**
+ /**
* Check if we are on a Microsoft plaform...
*
* @return true if we have to cope with another platform variation
*/
public static boolean isWindowsAndNotJS()
{
- return (isNoJSWin == null ? (isNoJSWin = !isJS && isWin()) : isNoJSWin);
- }
+ return (isNoJSWin == null ? (isNoJSWin = !isJS && isWin()) : isNoJSWin);
+ }
/**
- *
+ *
* @return true if we are running in non-interactive no UI mode
*/
public static boolean isHeadless()
}
/**
- * escape a string according to the local platform's escape character
+ * Answers the input with every backslash replaced with a double backslash (an
+ * 'escaped' single backslash)
*
- * @param file
- * @return escaped file
+ * @param s
+ * @return
*/
- public static String escapeString(String file)
+ public static String escapeBackslashes(String s)
{
- StringBuffer f = new StringBuffer();
- int p = 0, lastp = 0;
- while ((p = file.indexOf('\\', lastp)) > -1)
- {
- f.append(file.subSequence(lastp, p));
- f.append("\\\\");
- lastp = p + 1;
- }
- f.append(file.substring(lastp));
- return f.toString();
+ return s == null ? null : s.replace("\\", "\\\\");
}
/**
* Answers true if the mouse event has Meta-down (Command key on Mac) or
* Ctrl-down (on other o/s). Note this answers _false_ if the Ctrl key is
- * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-pressed on Mac,
- * you can use e.isPopupTrigger().
+ * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-pressed on
+ * Mac, you can use e.isPopupTrigger().
*
* @param e
* @return
*/
protected static boolean isControlDown(MouseEvent e, boolean aMac)
{
- if (!aMac) {
- return e.isControlDown();
- }
- // answer false for right mouse button
- // shortcut key will be META for a Mac
- return !e.isPopupTrigger()
- && (Toolkit.getDefaultToolkit().getMenuShortcutKeyMask() & e.getModifiers()) != 0;
- // could we use e.isMetaDown() here?
+
+ 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)
+ //
+ // private static boolean isPopupTrigger(int id, int mods, boolean isWin) {
+ // boolean rt = ((mods & InputEvent.BUTTON3_MASK) != 0);
+ // if (isWin) {
+ // if (id != MouseEvent.MOUSE_RELEASED)
+ // return false;
+ ////
+ //// // Oddly, Windows returns InputEvent.META_DOWN_MASK on release, though
+ //// // BUTTON3_DOWN_MASK for pressed. So here we just accept both.
+ ////
+ //// actually, we can use XXX_MASK, not XXX_DOWN_MASK and avoid this issue,
+ // because
+ //// J2S adds the appropriate extended (0x3FC0) and simple (0x3F) modifiers.
+ ////
+ // return rt;
+ // } else {
+ // // mac, linux, unix
+ // if (id != MouseEvent.MOUSE_PRESSED)
+ // return false;
+ // boolean lt = ((mods & InputEvent.BUTTON1_MASK) != 0);
+ // boolean ctrl = ((mods & InputEvent.CTRL_MASK) != 0);
+ // return rt || (ctrl && lt);
+ // }
+ // }
+ //
+
/**
- * Windows (not Mac, Linux, or Unix) and right button
- * to test for the right-mouse pressed event in Windows
- * that would have opened a menu or a Mac.
+ * Windows (not Mac, Linux, or Unix) and right button to test for the
+ * right-mouse pressed event in Windows that would have opened a menu or a
+ * Mac.
*
* @param e
* @return
*/
- public static boolean isWinRightButton(MouseEvent e)
+ public static boolean isWinRightButton(MouseEvent e)
{
- // was !isAMac(), but that is true also for Linux and Unix and JS,
+ // was !isAMac(), but that is true also for Linux and Unix and JS,
- return isWin() && SwingUtilities.isRightMouseButton(e);
+ return isWin() && SwingUtilities.isRightMouseButton(e);
}
-
-
+
/**
- * Windows (not Mac, Linux, or Unix) and middle button -- for mouse wheeling
+ * Windows (not Mac, Linux, or Unix) and middle button -- for mouse wheeling
* without pressing the button.
*
* @param e
* @return
*/
- public static boolean isWinMiddleButton(MouseEvent e)
+ public static boolean isWinMiddleButton(MouseEvent e)
{
- // was !isAMac(), but that is true also for Linux and Unix and JS
- return isWin() && SwingUtilities.isMiddleMouseButton(e);
+ // was !isAMac(), but that is true also for Linux and Unix and JS
+ return isWin() && SwingUtilities.isMiddleMouseButton(e);
}
- public static boolean allowMnemonics()
+ public static boolean allowMnemonics()
{
- return !isMac();
+ return !isMac();
}
-
+
public final static int TIME_RESET = 0;
- public final static int TIME_MARK = 1;
- public static final int TIME_SET = 2;
- public static final int TIME_GET = 3;
-
+
+ public final static int TIME_MARK = 1;
+
+ public static final int TIME_SET = 2;
+
+ public static final int TIME_GET = 3;
+
public static long time, mark, set, duration;
-
- public static void timeCheck(String msg, int mode) {
- long t = System.currentTimeMillis();
- switch (mode) {
- case TIME_RESET:
- time = mark = t;
- if (msg != null)
- System.err.println("Platform: timer reset\t\t\t" + msg);
- break;
- case TIME_MARK:
- if (set > 0) {
- duration += (t - set);
- } else {
- if (time == 0)
- time = mark = t;
- if (msg != null)
- System.err.println("Platform: timer mark\t" + ((t - time)/1000f) + "\t" + ((t - mark)/1000f) + "\t" + msg);
- mark = t;
- }
- break;
- case TIME_SET:
- set = t;
- break;
- case TIME_GET:
- if (msg != null)
- System.err.println("Platform: timer dur\t" + ((t - time)/1000f) + "\t" + ((duration)/1000f) + "\t" + msg);
- set = 0;
- break;
- }
- }
-
- public static void cacheFileData(String path, byte[] data)
- {
- if (!isJS())
- return;
- /**
- * @j2sNative
- *
- * swingjs.JSUtil.cacheFileData$S$O(path, data);
- *
- */
- }
-
- public static byte[] getFileBytes(File f)
- {
- return /** @j2sNative f && f._bytes || */null;
- }
-
- public static byte[] getFileAsBytes(String fileStr)
- {
- // BH 2018 hack for no support for access-origin
- return /** @j2sNative swingjs.JSUtil.getFileAsBytes$O(fileStr) || */ null;
- }
-
- public static String getFileAsString(String data)
- {
- return /** @j2sNative swingjs.JSUtil.getFileAsString$S(data) || */ null;
- }
-
- public static boolean setFileBytes(File f, String urlstring)
- {
- if (!isJS())
- return false;
- @SuppressWarnings("unused")
- byte[] bytes = getFileAsBytes(urlstring);
- /** @j2sNative
- * f._bytes = bytes;
- */
- return true;
- }
-
-
+
+ /**
+ * typical usage:
+ *
+ * Platform.timeCheck(null, Platform.TIME_MARK);
+ *
+ * ...
+ *
+ * Platform.timeCheck("some message", Platform.TIME_MARK);
+ *
+ * reset...[set/mark]n...get
+ *
+ * @param msg
+ * @param mode
+ */
+ public static void timeCheck(String msg, int mode)
+ {
+ long t = System.currentTimeMillis();
+ switch (mode)
+ {
+ case TIME_RESET:
+ time = mark = t;
+ duration = 0;
+ if (msg != null)
+ {
+ System.err.println("Platform: timer reset\t\t\t" + msg);
+ }
+ break;
+ case TIME_MARK:
+ if (set > 0)
+ {
+ // total time between set/mark points
+ duration += (t - set);
+ }
+ else
+ {
+ if (time == 0)
+ {
+ time = mark = t;
+ }
+ if (msg != null)
+ {
+ System.err.println("Platform: timer mark\t" + ((t - time) / 1000f)
+ + "\t" + ((t - mark) / 1000f) + "\t" + msg);
+ }
+ mark = t;
+ }
+ break;
+ case TIME_SET:
+ set = t;
+ break;
+ case TIME_GET:
+ if (msg != null)
+ {
+ System.err.println("Platform: timer dur\t" + ((t - time) / 1000f)
+ + "\t" + ((duration) / 1000f) + "\t" + msg);
+ }
+ set = 0;
+ break;
+ }
+ }
+
+ public static void cacheFileData(String path, Object data)
+ {
+ if (isJS && data != null)
+ {
+ jsutil.cachePathData(path, data);
+ }
+ }
+
+ public static void cacheFileData(File file)
+ {
+ if (isJS)
+ {
+ byte[] data = Platform.getFileBytes(file);
+ {
+ if (data != null)
+ {
+ cacheFileData(file.toString(), data);
+ }
+ }
+ }
+ }
+
+ public static byte[] getFileBytes(File f)
+ {
+ return (isJS && f != null ? jsutil.getBytes(f) : null);
+ }
+
+ public static byte[] getFileAsBytes(String fileStr)
+ {
+ if (isJS && fileStr != null)
+ {
+ byte[] bytes = (byte[]) jsutil.getFile(fileStr, false);
+ cacheFileData(fileStr, bytes);
+ return bytes;
+ }
+ return null;
+ }
+
+ public static String getFileAsString(String url)
+ {
+ if (isJS && url != null)
+ {
+ String ret = (String) jsutil.getFile(url, true);
+ cacheFileData(url, ret);
+ return ret;
+ }
+ return null;
+ }
+
+ public static boolean setFileBytes(File f, String urlstring)
+ {
+ if (isJS && f != null && urlstring != null)
+ {
+ @SuppressWarnings("unused")
+ byte[] bytes = getFileAsBytes(urlstring);
+ jsutil.setFileBytes(f, bytes);
+ return true;
+ }
+ return false;
+ }
+
public static void addJ2SBinaryType(String ext)
{
+ if (isJS)
+ {
+ jsutil.addBinaryFileType(ext);
+ }
+ }
+
/**
- * @j2sNative
- *
- * J2S._binaryTypes.push("." + ext + "?");
+ * Encode the URI using JavaScript encodeURIComponent
*
+ * @param value
+ * @return encoded value
*/
+ public static String encodeURI(String value)
+ {
+ /**
+ * @j2sNative value = encodeURIComponent(value);
+ */
+ return value;
}
- public static String encodeURI(String value)
+ /**
+ * Open the URL using a simple window call if this is JavaScript
+ *
+ * @param url
+ * @return true if window has been opened
+ */
+ public static boolean openURL(String url) throws IOException
{
+ if (!isJS())
+ {
+ return false;
+ }
/**
* @j2sNative
- * return encodeURIComponent(value);
+ *
+ *
+ * window.open(url);
*/
- return value;
+ return true;
}
- public static boolean openURL(String url)
+ public static String getUniqueAppletID()
{
- if (!isJS())
- return false;
- /**
- * @j2sNative
- *
- *
- * window.open(url);
- */
- return true;
+ return (isJS ? (String) jsutil.getAppletAttribute("_uniqueId") : null);
}
- public static String getUniqueAppletID() {
- @SuppressWarnings("unused")
- ThreadGroup g = Thread.currentThread().getThreadGroup();
- /**
- * @j2sNative return g.html5Applet._uniqueId;
- *
- */
- return null;
-
- }
/**
- * Read the Info block for this applet.
+ * Read the Info block for this applet.
*
- * @param prefix "jalview_"
+ * @param prefix
+ * "jalview_"
* @param p
- * @return unique id for this applet
+ * @return unique id for this applet
*/
- public static void readInfoProperties(String prefix, Properties p)
- {
- @SuppressWarnings("unused")
- ThreadGroup g = Thread.currentThread().getThreadGroup();
- String id = getUniqueAppletID();
- String key = "", value = "";
- /**
- * @j2sNative
- var info = g.html5Applet.__Info || {};
- for (var key in info) {
- if (key.indexOf(prefix) == 0) {
- value = "" + info[key];
- */
-
- p.put(id + "_" + key, value);
-
- /**
- * @j2sNative
-
-
- }
- }
- */
+ public static void readInfoProperties(String prefix, Properties p)
+ {
+ if (isJS)
+ {
+ String id = getUniqueAppletID();
+
+ String key = "";
+ String value = "";
+ @SuppressWarnings("unused")
+ Object info = jsutil.getAppletAttribute("__Info");
+ /**
+ * @j2sNative for (key in info) { value = info[key];
+ */
+
+ if (key.indexOf(prefix) == 0)
+ {
+ System.out.println("Platform id=" + id + " reading Info." + key
+ + " = " + value);
+ p.put(key, value);
+
+ }
+
+ /**
+ * @j2sNative }
+ */
+ }
}
+ public static void setAjaxJSON(URL url)
+ {
+ if (isJS())
+ {
+ JSON.setAjax(url);
+ }
+ }
+
+ public static Object parseJSON(InputStream response)
+ throws IOException, ParseException
+ {
+ if (isJS())
+ {
+ return JSON.parse(response);
+ }
+
+ BufferedReader br = null;
+ try
+ {
+ br = new BufferedReader(new InputStreamReader(response, "UTF-8"));
+ return new JSONParser().parse(br);
+ } finally
+ {
+ if (br != null)
+ {
+ try
+ {
+ br.close();
+ } catch (IOException e)
+ {
+ // ignore
+ }
+ }
+ }
+ }
+
+ public static Object parseJSON(String json) throws ParseException
+ {
+ return (isJS() ? JSON.parse(json) : new JSONParser().parse(json));
+ }
+
+ public static Object parseJSON(Reader r)
+ throws IOException, ParseException
+ {
+ if (r == null)
+ {
+ return null;
+ }
+
+ if (!isJS())
+ {
+ return new JSONParser().parse(r);
+ }
+ // Using a file reader is not currently supported in SwingJS JavaScript
+
+ if (r instanceof FileReader)
+ {
+ throw new IOException(
+ "StringJS does not support FileReader parsing for JSON -- but it could...");
+ }
+ return JSON.parse(r);
+ }
+
+ /**
+ * Dump the input stream to an output file.
+ *
+ * @param is
+ * @param outFile
+ * @throws IOException
+ * if the file cannot be created or there is a problem reading the
+ * input stream.
+ */
+ public static void streamToFile(InputStream is, File outFile)
+ throws IOException
+ {
+
+ if (isJS)
+ {
+ jsutil.setFileBytes(outFile, is);
+ return;
+ }
+
+ FileOutputStream fio = new FileOutputStream(outFile);
+ try
+ {
+ byte[] bb = new byte[32 * 1024];
+ int l;
+ while ((l = is.read(bb)) > 0)
+ {
+ fio.write(bb, 0, l);
+ }
+ } finally
+ {
+ fio.close();
+ }
+ }
+
+ /**
+ * Add a known domain that implements access-control-allow-origin:*
+ *
+ * These should be reviewed periodically.
+ *
+ * @param domain
+ * for a service that is not allowing ajax
+ *
+ * @author hansonr@stolaf.edu
+ *
+ */
+ public static void addJ2SDirectDatabaseCall(String domain)
+ {
+
+ if (isJS)
+ {
+ jsutil.addDirectDatabaseCall(domain);
+
+ System.out.println(
+ "Platform adding known access-control-allow-origin * for domain "
+ + domain);
+ }
+
+ }
+
+ /**
+ * 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
+ * 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) {
+ }
+ }
+
+ /**
+ * A (case sensitive) file path comparator that ignores the difference between
+ * / and \
+ *
+ * @param path1
+ * @param path2
+ * @return
+ */
+ public static boolean pathEquals(String path1, String path2)
+ {
+ if (path1 == null)
+ {
+ return path2 == null;
+ }
+ if (path2 == null)
+ {
+ return false;
+ }
+ String p1 = path1.replace('\\', '/');
+ String p2 = path2.replace('\\', '/');
+ return p1.equals(p2);
+ }
+
+ ///////////// JAL-3253 Applet additions //////////////
+
+ /**
+ * Retrieve the object's embedded size from a div's style on a page if
+ * embedded in SwingJS.
+ *
+ * @param frame
+ * JFrame or JInternalFrame
+ * @param defaultWidth
+ * use -1 to return null (no default size)
+ * @param defaultHeight
+ * @return the embedded dimensions or null (no default size or not embedded)
+ */
+ public static Dimension getDimIfEmbedded(Component frame,
+ int defaultWidth, int defaultHeight)
+ {
+ Dimension d = null;
+ if (isJS)
+ {
+ d = (Dimension) getEmbeddedAttribute(frame, "dim");
+ }
+ return (d == null && defaultWidth >= 0
+ ? new Dimension(defaultWidth, defaultHeight)
+ : d);
+
+ }
+
+ public static Regex newRegex(String regex)
+ {
+ return newRegex(regex, null);
+ }
+
+ public static Regex newRegex(String searchString, String replaceString)
+ {
+ ensureRegex();
+ return (replaceString == null ? new Regex(searchString)
+ : new Regex(searchString, replaceString));
+ }
+
+ public static Regex newRegexPerl(String code)
+ {
+ ensureRegex();
+ return Regex.perlCode(code);
+ }
+
+ /**
+ * Initialize Java debug logging. A representative sample -- adapt as desired.
+ */
+ public static void startJavaLogging()
+ {
+ /**
+ * @j2sIgnore
+ */
+ {
+ logClass("java.awt.EventDispatchThread", "java.awt.EventQueue",
+ "java.awt.Component", "java.awt.focus.Component",
+ "java.awt.event.Component",
+ "java.awt.focus.DefaultKeyboardFocusManager");
+ }
+ }
+
+ /**
+ * Initiate Java logging for a given class. Only for Java, not JavaScript;
+ * Allows debugging of complex event processing.
+ *
+ * @param className
+ */
+ public static void logClass(String... classNames)
+ {
+ /**
+ * @j2sIgnore
+ *
+ *
+ */
+ {
+ Logger rootLogger = Logger.getLogger("");
+ rootLogger.setLevel(Level.ALL);
+ ConsoleHandler consoleHandler = new ConsoleHandler();
+ consoleHandler.setLevel(Level.ALL);
+ for (int i = classNames.length; --i >= 0;)
+ {
+ Logger logger = Logger.getLogger(classNames[i]);
+ logger.setLevel(Level.ALL);
+ logger.addHandler(consoleHandler);
+ }
+ }
+ }
+
+ /**
+ * load a resource -- probably a core file -- if and only if a particular
+ * class has not been instantialized. We use a String here because if we used
+ * a .class object, that reference itself would simply load the class, and we
+ * want the core package to include that as well.
+ *
+ * @param resourcePath
+ * @param className
+ */
+ public static void loadStaticResource(String resourcePath,
+ String className)
+ {
+ if (isJS)
+ {
+ jsutil.loadResourceIfClassUnknown(resourcePath, className);
+ }
+ }
+
+ public static void ensureRegex()
+ {
+ if (isJS)
+ {
+ loadStaticResource("core/core_stevesoft.z.js",
+ "com.stevesoft.pat.Regex");
+ }
+ }
+
+ /**
+ * Set the "app" property of the HTML5 applet object, for example,
+ * "testApplet.app", to point to the Jalview instance. This will be the object
+ * that page developers use that is similar to the original Java applet object
+ * that was accessed via LiveConnect.
+ *
+ * @param j
+ */
+ public static void setAppClass(Object j)
+ {
+ if (isJS)
+ {
+ jsutil.setAppClass(j);
+ }
+ }
+
+ /**
+ *
+ * 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)
+ {
+ return (isJS ? jsutil.getEmbeddedAttribute(frame, type) : null);
+ }
+
+ public static void stackTrace()
+ {
+ try
+ {
+ throw new NullPointerException();
+ } catch (Exception e)
+ {
+ e.printStackTrace();
+ }
+
+ }
+
+ public static URL getDocumentBase()
+ {
+ return (isJS ? jsutil.getDocumentBase() : null);
+ }
+
+ public static URL getCodeBase()
+ {
+ 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<String, Object> 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());
+ }
+ }
+ }
}
git://source.jalview.org / jalview.git / blobdiff