Example usage for java.lang.ref WeakReference WeakReference

Introduction

In this page you can find the example usage for java.lang.ref WeakReference WeakReference.

Prototype

public WeakReference(T referent)

Source Link

Document

Creates a new weak reference that refers to the given object.

Usage

From source file:com.aoeng.degu.utils.net.asyncthhpclient.AsyncHttpClient.java

/**
 * Puts a new request in queue as a new thread in pool to be executed
 *
 * @param client          HttpClient to be used for request, can differ in single requests
 * @param contentType     MIME body type, for POST and PUT requests, may be null
 * @param context         Context of Android application, to hold the reference of request
 * @param httpContext     HttpContext in which the request will be executed
 * @param responseHandler ResponseHandler or its subclass to put the response into
 * @param uriRequest      instance of HttpUriRequest, which means it must be of HttpDelete,
 *                        HttpPost, HttpGet, HttpPut, etc.
 * @return RequestHandle of future request process
 *//*from   w w  w . j ava2 s . c o  m*/
protected RequestHandle sendRequest(DefaultHttpClient client, HttpContext httpContext,
        HttpUriRequest uriRequest, String contentType, ResponseHandlerInterface responseHandler,
        Context context) {
    if (contentType != null) {
        uriRequest.setHeader("Content-Type", contentType);
    }

    responseHandler.setRequestHeaders(uriRequest.getAllHeaders());
    responseHandler.setRequestURI(uriRequest.getURI());

    Future<?> request = threadPool
            .submit(new AsyncHttpRequest(client, httpContext, uriRequest, responseHandler));

    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }

        requestList.add(new WeakReference<Future<?>>(request));

        // TODO: Remove dead weakrefs from requestLists?
    }

    return new RequestHandle(request);
}

From source file:cn.rongcloud.im.server.network.http.AsyncHttpClient.java

/**
 * Puts a new request in queue as a new thread in pool to be executed
 *
 * @param client          HttpClient to be used for request, can differ in single requests
 * @param contentType     MIME body type, for POST and PUT requests, may be null
 * @param context         Context of Android application, to hold the reference of request
 * @param httpContext     HttpContext in which the request will be executed
 * @param responseHandler ResponseHandler or its subclass to put the response into
 * @param uriRequest      instance of HttpUriRequest, which means it must be of HttpDelete,
 *                        HttpPost, HttpGet, HttpPut, etc.
 * @return RequestHandle of future request process
 *//*w  w  w .j  a  v a  2 s  .  co m*/
protected RequestHandle sendRequest(DefaultHttpClient client, HttpContext httpContext,
        HttpUriRequest uriRequest, String contentType, ResponseHandlerInterface responseHandler,
        Context context) {
    if (contentType != null) {
        uriRequest.addHeader("Content-Type", contentType);
    }

    responseHandler.setRequestHeaders(uriRequest.getAllHeaders());
    responseHandler.setRequestURI(uriRequest.getURI());

    Future<?> request = threadPool
            .submit(new AsyncHttpRequest(client, httpContext, uriRequest, responseHandler));

    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }

        requestList.add(new WeakReference<Future<?>>(request));

        // TODO: Remove dead weakrefs from requestLists?
    }

    return new RequestHandle(request);
}

From source file:com.lewa.crazychapter11.MainActivity.java

private void showTost(String content, int tostLength) {
    Toast mToast;/* w  ww.ja va 2  s  . com*/
    if (mToastReference != null) {
        mToast = mToastReference.get();
        if (mToast != null) {
            mToast.cancel();
            mToastReference = null;
        }
    }
    mToast = Toast.makeText(MainActivity.this, content, tostLength);
    mToastReference = new WeakReference<Toast>(mToast);
    mToast.show();
}

From source file:com.android.gallery3d.v5.filtershow.FilterShowActivity.java

private void showSavingProgress(String albumName) {
    ProgressDialog progress;//from   www .  j  a v a 2  s .c  o m
    if (mSavingProgressDialog != null) {
        progress = mSavingProgressDialog.get();
        if (progress != null) {
            progress.show();
            return;
        }
    }
    // TODO: Allow cancellation of the saving process
    String progressText;
    progressText = getString(R.string.saving_image);
    if (albumName == null) {

    } else {
        progressText = getString(R.string.filtershow_saving_image, albumName);
    }
    progress = ProgressDialog.show(this, "", progressText, true, false);
    mSavingProgressDialog = new WeakReference<ProgressDialog>(progress);
}

From source file:net.java.sip.communicator.plugin.notificationwiring.NotificationManager.java

/**
 * Fired when peer's state is changed//  ww w.  jav  a 2s .  co m
 *
 * @param ev fired CallPeerEvent
 */
public void peerStateChanged(CallPeerChangeEvent ev) {
    try {
        CallPeer peer = ev.getSourceCallPeer();
        Call call = peer.getCall();
        CallPeerState newState = (CallPeerState) ev.getNewValue();
        CallPeerState oldState = (CallPeerState) ev.getOldValue();

        // Play the dialing audio when in connecting and initiating call state.
        // Stop the dialing audio when we enter any other state.
        if ((newState == CallPeerState.INITIATING_CALL) || (newState == CallPeerState.CONNECTING)) {
            /*
             * The loopCondition will stay with the notification sound until
             * the latter is stopped. If by any chance the sound fails to
             * stop by the time the peer is no longer referenced, do try to
             * stop it then. That's why the loopCondition will weakly
             * reference the peer.
             */
            final WeakReference<CallPeer> weakPeer = new WeakReference<CallPeer>(peer);

            /* We want to play the dialing once for multiple CallPeers. */
            if (shouldPlayDialingSound(weakPeer)) {
                NotificationData notification = fireNotification(DIALING, new Callable<Boolean>() {
                    public Boolean call() {
                        return shouldPlayDialingSound(weakPeer);
                    }
                });

                if (notification != null)
                    callNotifications.put(call, notification);
            }
        } else {
            NotificationData notification = callNotifications.get(call);

            if (notification != null)
                stopSound(notification);
        }

        if (newState == CallPeerState.ALERTING_REMOTE_SIDE
                //if we were already in state CONNECTING_WITH_EARLY_MEDIA the server
                //is already taking care of playing the notifications so we don't
                //need to fire a notification here.
                && oldState != CallPeerState.CONNECTING_WITH_EARLY_MEDIA) {
            final WeakReference<CallPeer> weakPeer = new WeakReference<CallPeer>(peer);
            NotificationData notification = fireNotification(OUTGOING_CALL, new Callable<Boolean>() {
                public Boolean call() {
                    CallPeer peer = weakPeer.get();

                    return (peer != null) && CallPeerState.ALERTING_REMOTE_SIDE.equals(peer.getState());
                }
            });

            if (notification != null)
                callNotifications.put(call, notification);
        } else if (newState == CallPeerState.BUSY) {
            // We start the busy sound only if we're in a simple call.
            if (!isConference(call)) {
                final WeakReference<CallPeer> weakPeer = new WeakReference<CallPeer>(peer);
                NotificationData notification = fireNotification(BUSY_CALL, new Callable<Boolean>() {
                    public Boolean call() {
                        CallPeer peer = weakPeer.get();

                        return (peer != null) && CallPeerState.BUSY.equals(peer.getState());
                    }
                });

                if (notification != null)
                    callNotifications.put(call, notification);
            }
        } else if ((newState == CallPeerState.DISCONNECTED) || (newState == CallPeerState.FAILED)) {
            fireNotification(HANG_UP);
        }
    } catch (Throwable t) {
        if (t instanceof ThreadDeath)
            throw (ThreadDeath) t;
        else {
            logger.error(
                    "An error occurred while trying to notify" + " about a change in the state of a call peer.",
                    t);
        }
    }
}

From source file:com.corebase.android.framework.http.client.AsyncHttpClient.java

protected void sendRequest(DefaultHttpClient client, HttpContext httpContext, HttpUriRequest uriRequest,
        String contentType, CacheParams cacheParams, AsyncHttpResponseHandler responseHandler,
        Context context) {/*from   w  w w  .j a  va 2s .c  om*/
    if (contentType != null) {
        uriRequest.addHeader("Content-Type", contentType);
    }

    Future<?> request = threadPool.submit(
            new AsyncHttpRequest(client, httpContext, uriRequest, cacheParams, responseHandler, context));
    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }

        requestList.add(new WeakReference<Future<?>>(request));

        // TODO: Remove dead weakrefs from requestLists?
    }
}

From source file:com.enjoy.nerd.http.AsyncHttpClient.java

/**
 * Puts a new request in queue as a new thread in pool to be executed
 *
 * @param client          HttpClient to be used for request, can differ in single requests
 * @param contentType     MIME body type, for POST and PUT requests, may be null
 * @param context         Context of Android application, to hold the reference of request
 * @param httpContext     HttpContext in which the request will be executed
 * @param responseHandler ResponseHandler or its subclass to put the response into
 * @param uriRequest      instance of HttpUriRequest, which means it must be of HttpDelete,
 *                        HttpPost, HttpGet, HttpPut, etc.
 * @return RequestHandle of future request process
 *///from  w w  w . j  ava 2  s. co  m
protected RequestHandle sendRequest(DefaultHttpClient client, HttpContext httpContext,
        HttpUriRequest uriRequest, String contentType, ResponseHandlerInterface responseHandler,
        Context context) {
    if (contentType != null) {
        uriRequest.setHeader("Content-Type", contentType);
    }

    responseHandler.setRequestHeaders(uriRequest.getAllHeaders());
    responseHandler.setRequestURI(uriRequest.getURI());

    //tangwh  add, ?????cookie?cookie?setCookieStore?uriRequestHeader?
    //??http2Cookie???cookieStore
    client.setCookieStore(null);

    Future<?> request = threadPool
            .submit(new AsyncHttpRequest(client, httpContext, uriRequest, responseHandler));

    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }

        requestList.add(new WeakReference<Future<?>>(request));

        // TODO: Remove dead weakrefs from requestLists?
    }

    return new RequestHandle(request);
}

From source file:com.android.mail.utils.NotificationUtils.java

private static Bitmap getDefaultWearableBg(Context context) {
    Bitmap bg = sDefaultWearableBg.get();
    if (bg == null) {
        bg = BitmapFactory.decodeResource(context.getResources(), R.drawable.bg_email);
        sDefaultWearableBg = new WeakReference<>(bg);
    }// w ww  .ja v  a  2s . c  o m
    return bg;
}

From source file:com.gargoylesoftware.htmlunit.WebClient.java

/**
 * <span style="color:red">INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.</span><br>
 *
 * Adds a new window to the list of available windows.
 *
 * @param webWindow the new WebWindow//from   w ww .  j a  va2s.co m
 */
public void registerWebWindow(final WebWindow webWindow) {
    WebAssert.notNull("webWindow", webWindow);
    windows_.add(webWindow);
    // register JobManager here but don't deregister in deregisterWebWindow as it can live longer
    jobManagers_.add(new WeakReference<>(webWindow.getJobManager()));
}

From source file:com.corebase.android.framework.http.client.AsyncHttpClient.java

/**
 * post//  w  w  w. j  av a 2  s  .  c o m
 * 
 * @param client
 * @param httpContext
 * @param uriRequest
 * @param contentType
 * @param cacheParams
 * @param responseHandler
 * @param context
 * @param requestParam
 */
protected void sendRequestPost(DefaultHttpClient client, HttpContext httpContext, HttpUriRequest uriRequest,
        String contentType, CacheParams cacheParams, AsyncHttpResponseHandler responseHandler, Context context,
        String requestParam) {
    if (contentType != null) {
        uriRequest.addHeader("Content-Type", contentType);
    }

    Future<?> request = threadPool.submit(new AsyncHttpRequest(client, httpContext, uriRequest, cacheParams,
            responseHandler, context, requestParam));
    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }

        requestList.add(new WeakReference<Future<?>>(request));

        // TODO: Remove dead weakrefs from requestLists?
    }
}