Examples with Task bolts.Task used on opensource projects

Example 11 with Task

use of bolts.Task in project phonegap-facebook-plugin by Wizcorp.

the class FacebookAppLinkResolver method getAppLinkFromUrlsInBackground.

/**
     * Asynchronously resolves App Link data for multiple Urls
     *
     * @param uris A list of Uri objects to resolve into App Links
     * @return A Task that, when successful, will return a Map of Uri->AppLink for each Uri that was successfully
     * resolved into an App Link. Uris that could not be resolved into App Links will not be present in the Map.
     * In the case of general server errors, the task will be completed with the corresponding error.
     */
public Task<Map<Uri, AppLink>> getAppLinkFromUrlsInBackground(List<Uri> uris) {
    final Map<Uri, AppLink> appLinkResults = new HashMap<Uri, AppLink>();
    final HashSet<Uri> urisToRequest = new HashSet<Uri>();
    StringBuilder graphRequestFields = new StringBuilder();
    for (Uri uri : uris) {
        AppLink appLink = null;
        synchronized (cachedAppLinks) {
            appLink = cachedAppLinks.get(uri);
        }
        if (appLink != null) {
            appLinkResults.put(uri, appLink);
        } else {
            if (!urisToRequest.isEmpty()) {
                graphRequestFields.append(',');
            }
            graphRequestFields.append(uri.toString());
            urisToRequest.add(uri);
        }
    }
    if (urisToRequest.isEmpty()) {
        return Task.forResult(appLinkResults);
    }
    final Task<Map<Uri, AppLink>>.TaskCompletionSource<Map<Uri, AppLink>> taskCompletionSource = Task.create();
    Bundle appLinkRequestParameters = new Bundle();
    appLinkRequestParameters.putString("ids", graphRequestFields.toString());
    appLinkRequestParameters.putString("fields", String.format("%s.fields(%s,%s)", APP_LINK_KEY, APP_LINK_ANDROID_TARGET_KEY, APP_LINK_WEB_TARGET_KEY));
    Request appLinkRequest = new Request(null, /* Session */
    "", /* Graph path */
    appLinkRequestParameters, /* Query parameters */
    null, /* HttpMethod */
    new Request.Callback() {

        /* Callback */
        @Override
        public void onCompleted(Response response) {
            FacebookRequestError error = response.getError();
            if (error != null) {
                taskCompletionSource.setError(error.getException());
                return;
            }
            GraphObject responseObject = response.getGraphObject();
            JSONObject responseJson = responseObject != null ? responseObject.getInnerJSONObject() : null;
            if (responseJson == null) {
                taskCompletionSource.setResult(appLinkResults);
                return;
            }
            for (Uri uri : urisToRequest) {
                String uriString = uri.toString();
                if (!responseJson.has(uriString)) {
                    continue;
                }
                JSONObject urlData = null;
                try {
                    urlData = responseJson.getJSONObject(uri.toString());
                    JSONObject appLinkData = urlData.getJSONObject(APP_LINK_KEY);
                    JSONArray rawTargets = appLinkData.getJSONArray(APP_LINK_ANDROID_TARGET_KEY);
                    int targetsCount = rawTargets.length();
                    List<AppLink.Target> targets = new ArrayList<AppLink.Target>(targetsCount);
                    for (int i = 0; i < targetsCount; i++) {
                        AppLink.Target target = getAndroidTargetFromJson(rawTargets.getJSONObject(i));
                        if (target != null) {
                            targets.add(target);
                        }
                    }
                    Uri webFallbackUrl = getWebFallbackUriFromJson(uri, appLinkData);
                    AppLink appLink = new AppLink(uri, targets, webFallbackUrl);
                    appLinkResults.put(uri, appLink);
                    synchronized (cachedAppLinks) {
                        cachedAppLinks.put(uri, appLink);
                    }
                } catch (JSONException e) {
                    // The data for this uri was missing or badly formed.
                    continue;
                }
            }
            taskCompletionSource.setResult(appLinkResults);
        }
    });
    appLinkRequest.executeAsync();
    return taskCompletionSource.getTask();
}

Example 12 with Task

use of bolts.Task in project facebook-api-android-maven by avianey.

the class FacebookAppLinkResolver method getAppLinkFromUrlsInBackground.

/**
     * Asynchronously resolves App Link data for multiple Urls
     *
     * @param uris A list of Uri objects to resolve into App Links
     * @return A Task that, when successful, will return a Map of Uri->AppLink for each Uri that was successfully
     * resolved into an App Link. Uris that could not be resolved into App Links will not be present in the Map.
     * In the case of general server errors, the task will be completed with the corresponding error.
     */
public Task<Map<Uri, AppLink>> getAppLinkFromUrlsInBackground(List<Uri> uris) {
    final Map<Uri, AppLink> appLinkResults = new HashMap<Uri, AppLink>();
    final HashSet<Uri> urisToRequest = new HashSet<Uri>();
    StringBuilder graphRequestFields = new StringBuilder();
    for (Uri uri : uris) {
        AppLink appLink = null;
        synchronized (cachedAppLinks) {
            appLink = cachedAppLinks.get(uri);
        }
        if (appLink != null) {
            appLinkResults.put(uri, appLink);
        } else {
            if (!urisToRequest.isEmpty()) {
                graphRequestFields.append(',');
            }
            graphRequestFields.append(uri.toString());
            urisToRequest.add(uri);
        }
    }
    if (urisToRequest.isEmpty()) {
        return Task.forResult(appLinkResults);
    }
    final Task<Map<Uri, AppLink>>.TaskCompletionSource<Map<Uri, AppLink>> taskCompletionSource = Task.create();
    Bundle appLinkRequestParameters = new Bundle();
    appLinkRequestParameters.putString("ids", graphRequestFields.toString());
    appLinkRequestParameters.putString("fields", String.format("%s.fields(%s,%s)", APP_LINK_KEY, APP_LINK_ANDROID_TARGET_KEY, APP_LINK_WEB_TARGET_KEY));
    Request appLinkRequest = new Request(null, /* Session */
    "", /* Graph path */
    appLinkRequestParameters, /* Query parameters */
    null, /* HttpMethod */
    new Request.Callback() {

        /* Callback */
        @Override
        public void onCompleted(Response response) {
            FacebookRequestError error = response.getError();
            if (error != null) {
                taskCompletionSource.setError(error.getException());
                return;
            }
            GraphObject responseObject = response.getGraphObject();
            JSONObject responseJson = responseObject != null ? responseObject.getInnerJSONObject() : null;
            if (responseJson == null) {
                taskCompletionSource.setResult(appLinkResults);
                return;
            }
            for (Uri uri : urisToRequest) {
                String uriString = uri.toString();
                if (!responseJson.has(uriString)) {
                    continue;
                }
                JSONObject urlData = null;
                try {
                    urlData = responseJson.getJSONObject(uri.toString());
                    JSONObject appLinkData = urlData.getJSONObject(APP_LINK_KEY);
                    JSONArray rawTargets = appLinkData.getJSONArray(APP_LINK_ANDROID_TARGET_KEY);
                    int targetsCount = rawTargets.length();
                    List<AppLink.Target> targets = new ArrayList<AppLink.Target>(targetsCount);
                    for (int i = 0; i < targetsCount; i++) {
                        AppLink.Target target = getAndroidTargetFromJson(rawTargets.getJSONObject(i));
                        if (target != null) {
                            targets.add(target);
                        }
                    }
                    Uri webFallbackUrl = getWebFallbackUriFromJson(uri, appLinkData);
                    AppLink appLink = new AppLink(uri, targets, webFallbackUrl);
                    appLinkResults.put(uri, appLink);
                    synchronized (cachedAppLinks) {
                        cachedAppLinks.put(uri, appLink);
                    }
                } catch (JSONException e) {
                    // The data for this uri was missing or badly formed.
                    continue;
                }
            }
            taskCompletionSource.setResult(appLinkResults);
        }
    });
    appLinkRequest.executeAsync();
    return taskCompletionSource.getTask();
}

Example 13 with Task

use of bolts.Task in project facebook-android-sdk by facebook.

the class FacebookAppLinkResolverTests method testUrlWithNoAppLinkData.

public void testUrlWithNoAppLinkData() {
    String testNoAppLinkUrlString = "https://fb.me/732873156764191_no_app_link";
    Uri testNoAppLinkUrl = Uri.parse(testNoAppLinkUrlString);
    try {
        executeResolverOnBlockerThread(new FacebookAppLinkResolver(), testNoAppLinkUrl);
        getTestBlocker().waitForSignals(1);
        assertNotNull(resolveTask);
        Task<AppLink> singleUrlResolveTask = (Task<AppLink>) resolveTask;
        assertTrue(singleUrlResolveTask.isCompleted() && !singleUrlResolveTask.isCancelled() && !singleUrlResolveTask.isFaulted());
        AppLink appLink = singleUrlResolveTask.getResult();
        assertNull(appLink);
    } catch (Exception e) {
        // Forcing the test to fail with details
        assertNull(e);
    }
}

Example 14 with Task

use of bolts.Task in project fresco by facebook.

the class ImagePipeline method isInDiskCache.

/**
   * Returns whether the image is stored in the disk cache.
   *
   * @param imageRequest the imageRequest for the image to be looked up.
   * @return true if the image was found in the disk cache, false otherwise.
   */
public DataSource<Boolean> isInDiskCache(final ImageRequest imageRequest) {
    final CacheKey cacheKey = mCacheKeyFactory.getEncodedCacheKey(imageRequest, null);
    final SimpleDataSource<Boolean> dataSource = SimpleDataSource.create();
    mMainBufferedDiskCache.contains(cacheKey).continueWithTask(new Continuation<Boolean, Task<Boolean>>() {

        @Override
        public Task<Boolean> then(Task<Boolean> task) throws Exception {
            if (!task.isCancelled() && !task.isFaulted() && task.getResult()) {
                return Task.forResult(true);
            }
            return mSmallImageBufferedDiskCache.contains(cacheKey);
        }
    }).continueWith(new Continuation<Boolean, Void>() {

        @Override
        public Void then(Task<Boolean> task) throws Exception {
            dataSource.setResult(!task.isCancelled() && !task.isFaulted() && task.getResult());
            return null;
        }
    });
    return dataSource;
}

Example 15 with Task

use of bolts.Task in project fresco by facebook.

the class SplitCachesByImageSizeDiskCachePolicy method createAndStartCacheReadTask.

@Override
public Task<EncodedImage> createAndStartCacheReadTask(ImageRequest imageRequest, Object callerContext, final AtomicBoolean isCancelled) {
    final CacheKey cacheKey = mCacheKeyFactory.getEncodedCacheKey(imageRequest, callerContext);
    final boolean alreadyInSmall = mSmallImageBufferedDiskCache.containsSync(cacheKey);
    final boolean alreadyInMain = mDefaultBufferedDiskCache.containsSync(cacheKey);
    final BufferedDiskCache firstCache;
    final BufferedDiskCache secondCache;
    if (alreadyInSmall || !alreadyInMain) {
        firstCache = mSmallImageBufferedDiskCache;
        secondCache = mDefaultBufferedDiskCache;
    } else {
        firstCache = mDefaultBufferedDiskCache;
        secondCache = mSmallImageBufferedDiskCache;
    }
    return firstCache.get(cacheKey, isCancelled).continueWithTask(new Continuation<EncodedImage, Task<EncodedImage>>() {

        @Override
        public Task<EncodedImage> then(Task<EncodedImage> task) throws Exception {
            if (isTaskCancelled(task) || (!task.isFaulted() && task.getResult() != null)) {
                return task;
            }
            return secondCache.get(cacheKey, isCancelled);
        }
    });
}