public T instance() {
T singletonInstancePerThread = null;
// use weak reference to prevent cyclic reference during GC
WeakReference<T> ref = (WeakReference<T>) perThreadCache.get();
// singletonInstancePerThread=perThreadCache.get();
// if (singletonInstancePerThread==null) {
if (ref == null || ref.get() == null) {
Class<T> clazz = null;
try {
clazz =
(Class<T>) Thread.currentThread().getContextClassLoader().loadClass(singletonClassName);
singletonInstancePerThread = clazz.newInstance();
} catch (Exception ignore) {
try {
clazz = (Class<T>) Class.forName(singletonClassName);
singletonInstancePerThread = clazz.newInstance();
} catch (Exception ignore2) {
}
}
perThreadCache.set(new WeakReference<T>(singletonInstancePerThread));
} else {
singletonInstancePerThread = ref.get();
}
return singletonInstancePerThread;
}
/*
* (non-Javadoc)
* @see android.os.AsyncTask#doInBackground(Params[])
*/
@Override
protected Boolean doInBackground(String... params) {
if (mTarget.get() != null) {
try {
IssueCreateActivity activity = mTarget.get();
GitHubServiceFactory factory = GitHubServiceFactory.newInstance();
IssueService service = factory.createIssueService();
Authentication auth =
new LoginPasswordAuthentication(
mTarget.get().getAuthUsername(), mTarget.get().getAuthPassword());
service.setAuthentication(auth);
// CheckBox cbSign = (CheckBox) activity.findViewById(R.id.cb_sign);
String comment = params[1];
// if (cbSign.isChecked()) {
// comment = comment + "\n\n" +
// activity.getResources().getString(R.string.sign);
// }
service.createIssue(activity.mUserLogin, activity.mRepoName, params[0], comment);
return true;
} catch (GitHubException e) {
Log.e(Constants.LOG_TAG, e.getMessage(), e);
mException = true;
return null;
}
} else {
return false;
}
}
@Override
public void onDrawerOpened(View drawerView) {
if (Ref.alive(activityRef)) {
UIUtils.hideKeyboardFromActivity(activityRef.get());
activityRef.get().invalidateOptionsMenu();
}
}
@Override
protected void onPostExecute(PlaceRecord result) {
if (null != result && null != mParent.get()) {
mParent.get().addNewPlace(result);
}
}
/** Initiate the service binding protocol. */
@Override
public void bindService() {
Log.d(TAG, "calling bindService()");
// Launch the Acronym Bound Services if they aren't already
// running via a call to bindService(), which binds this
// activity to the AcronymService* if they aren't already
// bound.
if (mServiceConnectionSync.getInterface() == null)
mActivity
.get()
.getApplicationContext()
.bindService(
AcronymServiceSync.makeIntent(mActivity.get()),
mServiceConnectionSync,
Context.BIND_AUTO_CREATE);
if (mServiceConnectionAsync.getInterface() == null)
mActivity
.get()
.getApplicationContext()
.bindService(
AcronymServiceAsync.makeIntent(mActivity.get()),
mServiceConnectionAsync,
Context.BIND_AUTO_CREATE);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
if (mContextActivity.get() != null) {
mContextActivity.get().getMenuInflater().inflate(R.menu.menu_photo_viewer, menu);
}
return true;
}
@SuppressWarnings("deprecation")
public void setCircleButtonStateListDrawable(
View circleButton, int radius, int pressedColor, int normalColor) {
WeakReference<Bitmap> imagePressed =
new WeakReference<>(Bitmap.createBitmap(2 * radius, 2 * radius, Bitmap.Config.ARGB_8888));
Canvas canvasPressed = new Canvas(imagePressed.get());
Paint paintPressed = new Paint();
paintPressed.setAntiAlias(true);
paintPressed.setColor(pressedColor);
canvasPressed.drawCircle(radius, radius, radius, paintPressed);
WeakReference<Bitmap> imageNormal =
new WeakReference<>(Bitmap.createBitmap(2 * radius, 2 * radius, Bitmap.Config.ARGB_8888));
Canvas canvasNormal = new Canvas(imageNormal.get());
Paint paintNormal = new Paint();
paintNormal.setAntiAlias(true);
paintNormal.setColor(normalColor);
canvasNormal.drawCircle(radius, radius, radius, paintNormal);
StateListDrawable stateListDrawable = new StateListDrawable();
stateListDrawable.addState(
new int[] {android.R.attr.state_pressed},
new BitmapDrawable(circleButton.getContext().getResources(), imagePressed.get()));
stateListDrawable.addState(
StateSet.WILD_CARD,
new BitmapDrawable(circleButton.getContext().getResources(), imageNormal.get()));
if (android.os.Build.VERSION.SDK_INT >= 16) {
circleButton.setBackground(stateListDrawable);
} else {
circleButton.setBackgroundDrawable(stateListDrawable);
}
}
static synchronized WritableRaster makeRaster(ColorModel cm, Raster srcRas, int w, int h) {
if (xrgbmodel == cm) {
if (xrgbRasRef != null) {
WritableRaster wr = (WritableRaster) xrgbRasRef.get();
if (wr != null && wr.getWidth() >= w && wr.getHeight() >= h) {
xrgbRasRef = null;
return wr;
}
}
// If we are going to cache this Raster, make it non-tiny
if (w <= 32 && h <= 32) {
w = h = 32;
}
} else if (argbmodel == cm) {
if (argbRasRef != null) {
WritableRaster wr = (WritableRaster) argbRasRef.get();
if (wr != null && wr.getWidth() >= w && wr.getHeight() >= h) {
argbRasRef = null;
return wr;
}
}
// If we are going to cache this Raster, make it non-tiny
if (w <= 32 && h <= 32) {
w = h = 32;
}
}
if (srcRas != null) {
return srcRas.createCompatibleWritableRaster(w, h);
} else {
return cm.createCompatibleWritableRaster(w, h);
}
}
public String cachedValueOf(final String str) {
if (str != null && (lengthLimit < 0 || str.length() <= lengthLimit)) {
// Return value from cache if available
try {
lock.readLock().lock();
WeakReference<String> ref = cache.get(str);
if (ref != null) {
return ref.get();
}
} finally {
lock.readLock().unlock();
}
// Update cache with new content
try {
lock.writeLock().lock();
WeakReference<String> ref = cache.get(str);
if (ref != null) {
return ref.get();
}
cache.put(str, new WeakReference<>(str));
} finally {
lock.writeLock().unlock();
}
return str;
}
return str;
}
@Override
protected void notifyUpdate(Iterable<PicItem> entities) {
ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();
for (PicItem entity : entities) {
Long key = getKey(entity);
if (key != null) {
notifyExtraOb(key);
ops.add(
ContentProviderOperation.newUpdate(ContentUris.withAppendedId(CONTENT_URI, key))
.withValue(null, null)
.build());
}
}
try {
if (contextWeakReference.get() != null)
contextWeakReference.get().getContentResolver().applyBatch(AUTHORITY, ops);
} catch (RemoteException e) {
e.printStackTrace();
} catch (OperationApplicationException e) {
e.printStackTrace();
}
}
@Override
public void deliverError(VolleyError error) {
super.deliverError(error);
if (mListenerReference != null && mListenerReference.get() != null) {
NetworkListener listener = mListenerReference.get();
BaseError response = new BaseError();
if (error.networkResponse != null) {
response.mStatusCode = error.networkResponse.statusCode;
response.mErrorMessage = new String(error.networkResponse.data);
} else if (error instanceof NetworkError || error instanceof NoConnectionError) {
response.mErrorMessage = "Please check the internet connection";
} else if (error instanceof TimeoutError) {
response.mErrorMessage = "Server is busy try again later";
} else if (error instanceof AuthFailureError) {
response.mErrorMessage = "Auth Failure";
} else if (error instanceof ServerError) {
response.mErrorMessage = "ServerError";
} else if (error instanceof ParseError) {
response.mErrorMessage = "Error in parsing server data";
}
listener.onError(response);
}
}
protected final void aXk() {
Object localObject;
if (!mav) {
if (maw == null) {
v.w("MicroMsg.InputTextBoundaryCheck", "edit text view is null");
return;
}
if (!be.bz(maA)) {
break label123;
}
localObject = new i(may, lWP);
((EditText) maw.get()).setFilters(new InputFilter[] {localObject});
}
while (maB != null) {
switch (aXj()) {
default:
return;
case 0:
maB.ng(eAL);
return;
label123:
maA.add(new i(may, lWP));
localObject = (InputFilter[]) maA.toArray(new InputFilter[maA.size()]);
((EditText) maw.get()).setFilters((InputFilter[]) localObject);
}
}
maB.Px();
return;
maB.Py();
}
public static synchronized Context getInstance() {
if (instanceRef == null || instanceRef.get() == null) {
return BaseApplication.getContext();
} else {
return instanceRef.get();
}
}
public synchronized void cleanupCurrentThread() {
final long id = Thread.currentThread().getId();
for (final ConcreteResource res : new HashSet<ConcreteResource>(lock.keySet())) {
final WeakReference<Thread> ref = lock.get(res);
if (ref != null) {
boolean rm = false;
if (ref.get() == null) {
logger.debug(
"Cleaning up lock: {} for thread: {}", res, Thread.currentThread().getName());
rm = true;
} else if (ref.get().getId() == id) {
logger.debug(
"Cleaning up lock: {} for thread: {}", res, Thread.currentThread().getName());
rm = true;
}
if (rm) {
synchronized (lock) {
lock.remove(res);
lock.notifyAll();
}
}
}
}
}
@Override
public void drawData(Canvas c) {
int width = (int) mViewPortHandler.getChartWidth();
int height = (int) mViewPortHandler.getChartHeight();
if (mDrawBitmap == null
|| (mDrawBitmap.get().getWidth() != width)
|| (mDrawBitmap.get().getHeight() != height)) {
if (width > 0 && height > 0) {
mDrawBitmap =
new WeakReference<Bitmap>(Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444));
mBitmapCanvas = new Canvas(mDrawBitmap.get());
} else return;
}
mDrawBitmap.get().eraseColor(Color.TRANSPARENT);
PieData pieData = mChart.getData();
for (IPieDataSet set : pieData.getDataSets()) {
if (set.isVisible() && set.getEntryCount() > 0) drawDataSet(c, set);
}
}
protected void onSignOut(Activity currentActivity) {
if (currentActivity == null) {
Log.e(TAGERROR, "Activity can not be null");
} else {
changeCurrentState(StatusFacebookConn.DISCONNECTED);
Log.i(TAGINFO, "Disconnected");
LoginManager.getInstance().logOut();
activityWeakReference
.get()
.getSharedPreferences("FacebookSession", Context.MODE_PRIVATE)
.edit()
.putBoolean("FacebookLogged", false)
.commit();
activityWeakReference
.get()
.getSharedPreferences("FacebookSession", Context.MODE_PRIVATE)
.edit()
.putString("FacebookEmail", null)
.commit();
currentActivity.startActivity(new Intent(currentActivity, LoginActivity.class));
activityWeakReference.get().finish();
currentActivity.finish();
clearInstanceReference();
}
}
private void fetchComments() {
try {
final URL newUrl = new URL(book.get().getCommentsUrl());
// sax stuff
final SAXParserFactory factory = SAXParserFactory.newInstance();
final SAXParser parser = factory.newSAXParser();
final XMLReader reader = parser.getXMLReader();
// initialize our parser logic
final CommentsHandler commentsHandler = new CommentsHandler(book.get().getComments());
reader.setContentHandler(commentsHandler);
// get the xml feed
reader.parse(new InputSource(newUrl.openStream()));
} catch (MalformedURLException e) {
COMMENTS_ERROR = MALFORMED_URL;
Log.e(TAG, "MalformedURLException: " + e + "\nIn fetchComments()");
} catch (ParserConfigurationException pce) {
COMMENTS_ERROR = PARSER_CONFIG_ERROR;
Log.e(TAG, "ParserConfigurationException: " + pce + "\nIn fetchComments()");
} catch (SAXException se) {
COMMENTS_ERROR = SAX_ERROR;
Log.e(TAG, "SAXException: " + se + "\nIn fetchComments()");
} catch (IOException ioe) {
COMMENTS_ERROR = IO_ERROR;
Log.e(TAG, "IOException: " + ioe + "\nIn fetchComments()");
}
}
@Override
protected void deliverResponse(T response) {
if (mListenerReference != null && mListenerReference.get() != null) {
NetworkListener listener = mListenerReference.get();
listener.onSuccess(response);
}
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
default:
super.handleMessage(msg);
RangingData data = (RangingData) msg.obj;
Log.d(TAG, "Got a ranging callback with data: " + data);
Log.d(TAG, "Got a ranging callback with " + data.getIBeacons().size() + " iBeacons");
if (data.getIBeacons() != null) {
Iterator<IBeaconData> iterator = data.getIBeacons().iterator();
while (iterator.hasNext()) {
IBeaconData iBeaconData = iterator.next();
if (iBeaconData == null) {
Log.d(TAG, "null ibeacon found");
} else {
iBeaconManager.get().rangingTracker.addIBeacon(iBeaconData);
}
}
IBeaconManager manager = iBeaconManager.get();
if (manager.rangeNotifier != null) {
Log.d(TAG, "Calling ranging notifier on :" + manager.rangeNotifier);
manager.rangeNotifier.didRangeBeaconsInRegion(
iBeaconManager.get().rangingTracker.getIBeacons(), data.getRegion());
}
}
}
}
/**
* Called after an operation executing in the background is completed. It sets the bitmap image to
* an image view and dismisses the progress dialog.
*
* @param image The bitmap image
*/
protected void onPostExecute(Bitmap image) {
// Dismiss the progress dialog.
mActivity.get().dismissDialog();
// Display the downloaded image to the user.
mActivity.get().displayBitmap(image);
}
@Ignore // RT-26710: javafx.scene.web.LeakTest hangs
@Test
public void testGarbageCollectability() throws InterruptedException {
final BlockingQueue<WeakReference<WebPage>> webPageRefQueue =
new LinkedBlockingQueue<WeakReference<WebPage>>();
submit(
() -> {
WebView webView = new WebView();
WeakReference<WebView> webViewRef = new WeakReference<WebView>(webView);
WeakReference<WebEngine> webEngineRef = new WeakReference<WebEngine>(webView.getEngine());
webPageRefQueue.add(new WeakReference<WebPage>(webView.getEngine().getPage()));
webView = null;
System.gc();
assertNull("WebView has not been GCed", webViewRef.get());
assertNull("WebEngine has not been GCed", webEngineRef.get());
});
WeakReference<WebPage> webPageRef = webPageRefQueue.take();
long endTime = System.currentTimeMillis() + 5000;
while (true) {
System.gc();
if (webPageRef.get() == null) {
break;
}
if (System.currentTimeMillis() > endTime) {
fail("WebPage has not been GCed");
}
Thread.sleep(100);
}
}
@Override
public void onItemClicked(ItemAdapter itemAdapter, RssItem rssItem) {
int positionToExpand = -1;
int positionToContract = -1;
if (itemAdapter.getExpandedItem() != null) {
positionToContract = currentItems.indexOf(itemAdapter.getExpandedItem());
View viewToContract = recyclerView.getLayoutManager().findViewByPosition(positionToContract);
if (viewToContract == null) {
positionToContract = -1;
}
}
if (itemAdapter.getExpandedItem() != rssItem) {
positionToExpand = currentItems.indexOf(rssItem);
itemAdapter.setExpandedItem(rssItem);
} else {
itemAdapter.setExpandedItem(null);
}
if (positionToContract > -1) {
itemAdapter.notifyItemChanged(positionToContract);
}
if (positionToExpand > -1) {
itemAdapter.notifyItemChanged(positionToExpand);
delegate.get().onItemExpanded(this, itemAdapter.getExpandedItem());
} else {
delegate.get().onItemContracted(this, rssItem);
return;
}
View viewToExpand = recyclerView.getLayoutManager().findViewByPosition(positionToExpand);
int lessToScroll = 0;
if (positionToContract > -1 && positionToContract < positionToExpand) {
lessToScroll = itemAdapter.getExpandedItemHeight() - itemAdapter.getCollapsedItemHeight();
}
recyclerView.smoothScrollBy(0, viewToExpand.getTop() - lessToScroll);
}
@Override
protected void onPostExecute(Bitmap bitmap) {
if (isCancelled()) {
bitmap = null;
}
if (imageViewReference != null && bitmap != null) {
final ImageView imageView = imageViewReference.get();
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (this == bitmapWorkerTask && imageView != null) {
imageView.setImageBitmap(bitmap);
}
} else {
Savelog.e(TAG, "Unable to load " + key);
if (hostFragmentReference != null) {
ViewerFragment hostFragment = hostFragmentReference.get();
Activity activity = hostFragment.getActivity();
if (activity != null) {
if (bitmap == null) {
Savelog.e(TAG, "bitmap is null. Possibly due to OOM error");
Toast.makeText(
hostFragment.getActivity(),
"Try to refresh this page by scrolling slowly.",
Toast.LENGTH_SHORT)
.show();
} else {
Savelog.d(TAG, debug, "bitmap is not null for key " + key);
}
}
}
}
}
public static synchronized Activity getActivity() {
Activity result = null;
if (instanceRef != null && instanceRef.get() != null) {
result = instanceRef.get();
}
return result;
}
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case 0:
Activity activity = mActivity.get();
BaseLoopView loopView = mLoopView.get();
if (activity != null && loopView != null) {
if (!loopView.isAutoScroll()) return;
int change = (loopView.getDirection() == BaseLoopView.LEFT) ? -1 : 1;
loopView
.getViewPager()
.setCurrentItem(loopView.getViewPager().getCurrentItem() + change, true);
loopView.sendScrollMessage(loopView.getInterval());
} else {
removeMessages(0);
if (loopView != null) {
loopView.releaseResources();
}
}
default:
break;
}
}
/**
* Returns the color space specified by the given color space constant.
*
* <p>For standard Java color spaces, the built-in instance is returned. Otherwise, color spaces
* are looked up from cache and created on demand.
*
* @param colorSpace the color space constant.
* @return the {@link ColorSpace} specified by the color space constant.
* @throws IllegalArgumentException if {@code colorSpace} is not one of the defined color spaces
* ({@code CS_*}).
* @see ColorSpace
* @see ColorSpaces#CS_ADOBE_RGB_1998
* @see ColorSpaces#CS_GENERIC_CMYK
*/
public static ColorSpace getColorSpace(int colorSpace) {
ICC_Profile profile;
switch (colorSpace) {
case CS_ADOBE_RGB_1998:
synchronized (ColorSpaces.class) {
profile = adobeRGB1998.get();
if (profile == null) {
// Try to get system default or user-defined profile
profile = readProfileFromPath(Profiles.getPath("ADOBE_RGB_1998"));
if (profile == null) {
// Fall back to the bundled ClayRGB1998 public domain Adobe RGB 1998 compatible
// profile,
// which is identical for all practical purposes
profile = readProfileFromClasspathResource("/profiles/ClayRGB1998.icc");
if (profile == null) {
// Should never happen given we now bundle fallback profile...
throw new IllegalStateException("Could not read AdobeRGB1998 profile");
}
}
adobeRGB1998 = new WeakReference<ICC_Profile>(profile);
}
}
return createColorSpace(profile);
case CS_GENERIC_CMYK:
synchronized (ColorSpaces.class) {
profile = genericCMYK.get();
if (profile == null) {
// Try to get system default or user-defined profile
profile = readProfileFromPath(Profiles.getPath("GENERIC_CMYK"));
if (profile == null) {
if (DEBUG) {
System.out.println("Using fallback profile");
}
// Fall back to generic CMYK ColorSpace, which is *insanely slow* using
// ColorConvertOp... :-P
return CMYKColorSpace.getInstance();
}
genericCMYK = new WeakReference<ICC_Profile>(profile);
}
}
return createColorSpace(profile);
default:
// Default cases for convenience
return ColorSpace.getInstance(colorSpace);
}
}
/**
* Get a reference to a particular future.
*
* @param id Get a reference to the future with this ID.
* @return This method returns the reference to the future with this ID.
*/
public static Future fromID(long id) {
synchronized (TABLE) {
if (!TABLE.containsKey(id)) throw new RuntimeException("future not mapped");
WeakReference<Future> w = TABLE.get(id);
if (w.get() == null) throw new RuntimeException("future has been collected");
return w.get();
}
}
/**
* This method is called each time a Being acquires a Palantir. Since each Being is a Java Thread,
* it will be called concurrently from different threads. This method increments the number of
* threads gazing and checks that the number of threads gazing does not exceed the number of
* Palantiri in the simulation using an AtomicLong object instantiated above (mGazingThreads). If
* the number of gazing threads exceeds the number of Palantiri, this thread will call shutdown
* and return false.
*
* @return false if the number of gazing threads is greater than the number of Palantiri,
* otherwise true.
*/
private boolean incrementGazingCountAndCheck() {
final long numberOfGazingThreads = mPresenter.get().mGazingTasks.incrementAndGet();
if (numberOfGazingThreads > Options.instance().numberOfPalantiri()) {
mPresenter.get().shutdown();
return false;
} else return true;
}
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (mWeakRef.get() != null) {
mWeakRef.get().invalidate();
sendEmptyMessageDelayed(0, refreshPeriod);
}
}
public final WeakReference<EntityPlayer> getTXPlayer(WorldServer world) {
if (player.get() == null) {
player = createNewPlayer(world);
} else {
player.get().worldObj = world;
}
return player;
}
