Java Logger類代碼示例

import com.facebook.internal.Logger; //導入依賴的package包/類
@Override
protected void processError(FacebookRequestError error) {
    int errorCode = error.getErrorCode();
    if (errorCode == ERROR_CODE_OBJECT_ALREADY_LIKED) {
        // This isn't an error for us. Client was just out of sync with server
        // This will prevent us from showing the dialog for this.

        // However, there is no unliketoken. So a subsequent unlike WILL show the dialog
        this.error = null;
    } else {
        Logger.log(LoggingBehavior.REQUESTS,
                TAG,
                "Error liking object '%s' with type '%s' : %s",
                objectId,
                objectType,
                error);
        logAppEventForError("publish_like", error);
    }
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
void onSuspend(AppEventsLogger logger, long eventTime) {
    if (!isAppActive) {
        Logger.log(LoggingBehavior.APP_EVENTS, TAG, "Suspend for inactive app");
        return;
    }

    long now = eventTime;
    long delta = (now - lastResumeTime);
    if (delta < 0) {
        Logger.log(LoggingBehavior.APP_EVENTS, TAG, "Clock skew detected");
        delta = 0;
    }
    millisecondsSpentInSession += delta;
    lastSuspendTime = now;
    isAppActive = false;
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
static List<GraphResponse> createResponsesFromString(
        String responseString,
        HttpURLConnection connection,
        GraphRequestBatch requests
) throws FacebookException, JSONException, IOException {
    JSONTokener tokener = new JSONTokener(responseString);
    Object resultObject = tokener.nextValue();

    List<GraphResponse> responses = createResponsesFromObject(
            connection,
            requests,
            resultObject);
    Logger.log(
            LoggingBehavior.REQUESTS,
            RESPONSE_LOG_TAG,
            "Response\n  Id: %s\n  Size: %d\n  Responses:\n%s\n",
            requests.getId(),
            responseString.length(),
            responses);

    return responses;
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
public Bundle load() {
    Bundle settings = new Bundle();

    Map<String, ?> allCachedEntries = cache.getAll();

    for (String key : allCachedEntries.keySet()) {
        try {
            deserializeKey(key, settings);
        } catch (JSONException e) {
            // Error in the cache. So consider it corrupted and return null
            Logger.log(LoggingBehavior.CACHE, Log.WARN, TAG,
                    "Error reading cached value for key: '" + key + "' -- " + e);
            return null;
        }
    }

    return settings;
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
public void save(Bundle bundle) {
    Validate.notNull(bundle, "bundle");

    SharedPreferences.Editor editor = cache.edit();

    for (String key : bundle.keySet()) {
        try {
            serializeKey(key, bundle, editor);
        } catch (JSONException e) {
            // Error in the bundle. Don't store a partial cache.
            Logger.log(
                    LoggingBehavior.CACHE,
                    Log.WARN,
                    TAG,
                    "Error processing value for key: '" + key + "' -- " + e);

            // Bypass the commit and just return. This cancels the entire edit transaction
            return;
        }
    }
    editor.apply();
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
/**
 * Returns a Bundle that contains the information stored in this cache
 *
 * @return A Bundle with the information contained in this cache
 */
public Bundle load() {
    Bundle settings = new Bundle();

    Map<String, ?> allCachedEntries = cache.getAll();

    for (String key : allCachedEntries.keySet()) {
        try {
            deserializeKey(key, settings);
        } catch (JSONException e) {
            // Error in the cache. So consider it corrupted and return null
            Logger.log(LoggingBehavior.CACHE, Log.WARN, TAG,
                    "Error reading cached value for key: '" + key + "' -- " + e);
            return null;
        }
    }

    return settings;
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
/**
 * Persists all supported data types present in the passed in Bundle, to the
 * cache
 *
 * @param bundle
 *          The Bundle containing information to be cached
 */
public void save(Bundle bundle) {
    Validate.notNull(bundle, "bundle");

    SharedPreferences.Editor editor = cache.edit();

    for (String key : bundle.keySet()) {
        try {
            serializeKey(key, bundle, editor);
        } catch (JSONException e) {
            // Error in the bundle. Don't store a partial cache.
            Logger.log(LoggingBehavior.CACHE, Log.WARN, TAG, "Error processing value for key: '" + key + "' -- " + e);

            // Bypass the commit and just return. This cancels the entire edit transaction
            return;
        }
    }

    boolean successfulCommit = editor.commit();
    if (!successfulCommit) {
        Logger.log(LoggingBehavior.CACHE, Log.WARN, TAG, "SharedPreferences.Editor.commit() was not successful");
    }
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
private void processResponse(ImageResponse response) {
    // First check if the response is for the right request. We may have:
    // 1. Sent a new request, thus super-ceding this one.
    // 2. Detached this view, in which case the response should be discarded.
    if (response.getRequest() == lastRequest) {
        lastRequest = null;
        Bitmap responseImage = response.getBitmap();
        Exception error = response.getError();
        if (error != null) {
            OnErrorListener listener = onErrorListener;
            if (listener != null) {
                listener.onError(new FacebookException(
                        "Error in downloading profile picture for profileId: " + getProfileId(), error));
            } else {
                Logger.log(LoggingBehavior.REQUESTS, Log.ERROR, TAG, error.toString());
            }
        } else if (responseImage != null) {
            setImageBitmap(responseImage);

            if (response.isCachedRedirect()) {
                sendImageRequest(false);
            }
        }
    }
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
/**
 * Persists all supported data types present in the passed in Bundle, to the
 * cache
 *
 * @param bundle
 *          The Bundle containing information to be cached
 */
public void save(Bundle bundle) {
    Validate.notNull(bundle, "bundle");

    SharedPreferences.Editor editor = cache.edit();

    for (String key : bundle.keySet()) {
        try {
            serializeKey(key, bundle, editor);
        } catch (JSONException e) {
            // Error in the bundle. Don't store a partial cache.
            Logger.log(LoggingBehavior.CACHE, Log.WARN, TAG, "Error processing value for key: '" + key + "' -- " + e);

            // Bypass the commit and just return. This cancels the entire edit transaction
            return;
        }
    }
    editor.apply();
}
 

import com.facebook.internal.Logger; //導入依賴的package包/類
static void saveAppSessionInformation(Context context) {
    ObjectOutputStream oos = null;

    synchronized (staticLock) {
        if (hasChanges) {
            try {
                oos = new ObjectOutputStream(
                        new BufferedOutputStream(
                                context.openFileOutput(
                                        PERSISTED_SESSION_INFO_FILENAME,
                                        Context.MODE_PRIVATE)
                        )
                );
                oos.writeObject(appSessionInfoMap);
                hasChanges = false;
                Logger.log(LoggingBehavior.APP_EVENTS, "AppEvents", "App session info saved");
            } catch (Exception e) {
                Log.d(TAG, "Got unexpected exception: " + e.toString());
            } finally {
                Utility.closeQuietly(oos);
            }
        }
    }
}