Java DownloadManager.ERROR_CANNOT_RESUME屬性代碼示例

/**
 * Get the message to display when a download fails.
 *
 * @param fileName Name of the download file.
 * @param reason Reason of failure reported by android DownloadManager.
 */
private String getDownloadFailureMessage(String fileName, int reason) {
    switch (reason) {
        case DownloadManager.ERROR_FILE_ALREADY_EXISTS:
            return mContext.getString(
                    R.string.download_failed_reason_file_already_exists, fileName);
        case DownloadManager.ERROR_FILE_ERROR:
            return mContext.getString(
                    R.string.download_failed_reason_file_system_error, fileName);
        case DownloadManager.ERROR_INSUFFICIENT_SPACE:
            return mContext.getString(
                    R.string.download_failed_reason_insufficient_space, fileName);
        case DownloadManager.ERROR_CANNOT_RESUME:
        case DownloadManager.ERROR_HTTP_DATA_ERROR:
            return mContext.getString(
                    R.string.download_failed_reason_network_failures, fileName);
        case DownloadManager.ERROR_TOO_MANY_REDIRECTS:
        case DownloadManager.ERROR_UNHANDLED_HTTP_CODE:
            return mContext.getString(
                    R.string.download_failed_reason_server_issues, fileName);
        case DownloadManager.ERROR_DEVICE_NOT_FOUND:
            return mContext.getString(
                    R.string.download_failed_reason_storage_not_found, fileName);
        case DownloadManager.ERROR_UNKNOWN:
        default:
            return mContext.getString(
                    R.string.download_failed_reason_unknown_error, fileName);
    }
}
 

/**
 * Called when android DownloadManager fails to download the content.
 *
 * @param downloadInfo The information about the download.
 * @param downloadId Download Id from the Android DownloadManager.
 * @param reason The reason of failure.
 * @param notifyURI The previously saved installNotifyURI attribute.
 */
public void onDownloadFailed(
        DownloadInfo downloadInfo, long downloadId, int reason, String notifyURI) {
    String status = DOWNLOAD_STATUS_DEVICE_ABORTED;
    switch (reason) {
        case DownloadManager.ERROR_CANNOT_RESUME:
            status = DOWNLOAD_STATUS_LOSS_OF_SERVICE;
            break;
        case DownloadManager.ERROR_HTTP_DATA_ERROR:
        case DownloadManager.ERROR_TOO_MANY_REDIRECTS:
        case DownloadManager.ERROR_UNHANDLED_HTTP_CODE:
            status = DOWNLOAD_STATUS_LOADER_ERROR;
            break;
        case DownloadManager.ERROR_INSUFFICIENT_SPACE:
            status = DOWNLOAD_STATUS_INSUFFICIENT_MEMORY;
            break;
        default:
            break;
    }
    OMAInfo omaInfo = mPendingOMADownloads.get(downloadId);
    if (omaInfo == null) {
        // Just send the notification in this case.
        omaInfo = new OMAInfo();
        omaInfo.addAttributeValue(OMA_INSTALL_NOTIFY_URI, notifyURI);
        sendInstallNotificationAndNextStep(omaInfo, downloadInfo, downloadId, status);
        return;
    }
    showDownloadWarningDialog(
            R.string.oma_download_failed, omaInfo, downloadInfo, status);
    mPendingOMADownloads.remove(downloadId);
}
 

public static String getReasonDebugString(int status, int reason) {
    String reasonText = "unKnown_status";
    switch (status) {
        case DownloadManager.STATUS_FAILED:
            switch (reason) {
                case DownloadManager.ERROR_CANNOT_RESUME:
                    reasonText = "ERROR_CANNOT_RESUME";
                    break;
                case DownloadManager.ERROR_DEVICE_NOT_FOUND:
                    reasonText = "(ERROR_DEVICE_NOT_FOUND)";
                    break;
                case DownloadManager.ERROR_FILE_ALREADY_EXISTS:
                    reasonText = "(ERROR_FILE_ALREADY_EXISTS)";
                    break;
                case DownloadManager.ERROR_FILE_ERROR:
                    reasonText = "(ERROR_FILE_ERROR)";
                    break;
                case DownloadManager.ERROR_HTTP_DATA_ERROR:
                    reasonText = "(ERROR_HTTP_DATA_ERROR)";
                    break;
                case DownloadManager.ERROR_INSUFFICIENT_SPACE:
                    reasonText = "(ERROR_INSUFFICIENT_SPACE)";
                    break;
                case DownloadManager.ERROR_TOO_MANY_REDIRECTS:
                    reasonText = "(ERROR_TOO_MANY_REDIRECTS)";
                    break;
                case DownloadManager.ERROR_UNHANDLED_HTTP_CODE:
                    reasonText = "(ERROR_UNHANDLED_HTTP_CODE)";
                    break;
                case DownloadManager.ERROR_UNKNOWN:
                    reasonText = "(ERROR_UNKNOWN)";
                    break;
            }
            break;
        case DownloadManager.STATUS_PAUSED: {
            switch (reason) {
                case DownloadManager.PAUSED_QUEUED_FOR_WIFI:
                    reasonText = "PAUSED_QUEUED_FOR_WIFI";
                    break;
                case DownloadManager.PAUSED_UNKNOWN:
                    reasonText = "PAUSED_UNKNOWN";
                    break;
                case DownloadManager.PAUSED_WAITING_FOR_NETWORK:
                    reasonText = "PAUSED_WAITING_FOR_NETWORK";
                    break;
                case DownloadManager.PAUSED_WAITING_TO_RETRY:
                    reasonText = "PAUSED_WAITING_TO_RETRY";
                    break;
            }
            break;
        }
    }
    return reasonText;
}
 

@StringRes
public static int getReasonTextResId(int status, int reason) {
    int reasonText = R.string.unKnown_status;
    switch (status) {
        case DownloadManager.STATUS_FAILED:
            switch (reason) {
                case DownloadManager.ERROR_CANNOT_RESUME:
                    reasonText = R.string.ERROR_CANNOT_RESUME;
                    break;
                case DownloadManager.ERROR_DEVICE_NOT_FOUND:
                    reasonText = (R.string.ERROR_DEVICE_NOT_FOUND);
                    break;
                case DownloadManager.ERROR_FILE_ALREADY_EXISTS:
                    reasonText = (R.string.ERROR_FILE_ALREADY_EXISTS);
                    break;
                case DownloadManager.ERROR_FILE_ERROR:
                    reasonText = (R.string.ERROR_FILE_ERROR);
                    break;
                case DownloadManager.ERROR_HTTP_DATA_ERROR:
                    reasonText = (R.string.ERROR_HTTP_DATA_ERROR);
                    break;
                case DownloadManager.ERROR_INSUFFICIENT_SPACE:
                    reasonText = (R.string.ERROR_INSUFFICIENT_SPACE);
                    break;
                case DownloadManager.ERROR_TOO_MANY_REDIRECTS:
                    reasonText = (R.string.ERROR_TOO_MANY_REDIRECTS);
                    break;
                case DownloadManager.ERROR_UNHANDLED_HTTP_CODE:
                    reasonText = (R.string.ERROR_UNHANDLED_HTTP_CODE);
                    break;
                case DownloadManager.ERROR_UNKNOWN:
                    reasonText = (R.string.ERROR_UNKNOWN);
                    break;
            }
            break;
        case DownloadManager.STATUS_PAUSED: {
            switch (reason) {
                case DownloadManager.PAUSED_QUEUED_FOR_WIFI:
                    reasonText = (R.string.PAUSED_QUEUED_FOR_WIFI);
                    break;
                case DownloadManager.PAUSED_UNKNOWN:
                    reasonText = (R.string.PAUSED_UNKNOWN);
                    break;
                case DownloadManager.PAUSED_WAITING_FOR_NETWORK:
                    reasonText = (R.string.PAUSED_WAITING_FOR_NETWORK);
                    break;
                case DownloadManager.PAUSED_WAITING_TO_RETRY:
                    reasonText = (R.string.PAUSED_WAITING_TO_RETRY);
                    break;
            }
            break;
        }
    }
    return reasonText;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void onReceive(Context context, Intent intent) {
    try {
        //Check if the broadcast message is for our enqueued download
        long referenceId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1);
        if (referenceId == this.currentDicoDownloadReference) {
            DownloadManager downloadManager = (DownloadManager) context.getSystemService(context.DOWNLOAD_SERVICE);
            //Retrieve the status of the downloaded file
            DownloadManager.Query downloadQuery = new DownloadManager.Query();
            //Set the query filter to our previously Enqueued download
            downloadQuery.setFilterById(this.currentDicoDownloadReference);
            //Query the download manager about downloads that have been requested.
            Cursor cursor = downloadManager.query(downloadQuery);
            if (cursor.moveToFirst()) {
                //Get the download status
                int columnIndex = cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
                int status = cursor.getInt(columnIndex);
                if (status == DownloadManager.STATUS_SUCCESSFUL) {
                    //Get the downloaded file path
                    columnIndex = cursor.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI);
                    String filePath = cursor.getString(columnIndex);
                    //Send Intent to the Post download file processor Service
                    Intent downloadFileProcessIntent = new Intent(context, PostDownloadService.class);
                    downloadFileProcessIntent.putExtra(PostDownloadService.EXTRA_PARAM_DL_FILE_PATH, filePath);
                    downloadFileProcessIntent.putExtra(PostDownloadService.EXTRA_PARAM_TARGET_FILE_PATH, this.targetFilePath);
                    downloadFileProcessIntent.setAction(PostDownloadService.ACTION_DL_FILE_PROCESS);
                    context.startService(downloadFileProcessIntent);
                    NotificationUtil.sendNotification(context, "Dictionary download OK, pass to post processing...");
                } else if (status == DownloadManager.STATUS_FAILED) {
                    //Get fail reason
                    String reasonText = "";
                    int columnReason = cursor.getColumnIndex(DownloadManager.COLUMN_REASON);
                    int reason = cursor.getInt(columnReason);
                    switch (reason) {
                        case DownloadManager.ERROR_CANNOT_RESUME:
                            reasonText = "ERROR_CANNOT_RESUME";
                            break;
                        case DownloadManager.ERROR_DEVICE_NOT_FOUND:
                            reasonText = "ERROR_DEVICE_NOT_FOUND";
                            break;
                        case DownloadManager.ERROR_FILE_ALREADY_EXISTS:
                            reasonText = "ERROR_FILE_ALREADY_EXISTS";
                            break;
                        case DownloadManager.ERROR_FILE_ERROR:
                            reasonText = "ERROR_FILE_ERROR";
                            break;
                        case DownloadManager.ERROR_HTTP_DATA_ERROR:
                            reasonText = "ERROR_HTTP_DATA_ERROR";
                            break;
                        case DownloadManager.ERROR_INSUFFICIENT_SPACE:
                            reasonText = "ERROR_INSUFFICIENT_SPACE";
                            break;
                        case DownloadManager.ERROR_TOO_MANY_REDIRECTS:
                            reasonText = "ERROR_TOO_MANY_REDIRECTS";
                            break;
                        case DownloadManager.ERROR_UNHANDLED_HTTP_CODE:
                            reasonText = "ERROR_UNHANDLED_HTTP_CODE";
                            break;
                        case DownloadManager.ERROR_UNKNOWN:
                            reasonText = "ERROR_UNKNOWN";
                            break;
                    }
                    NotificationUtil.sendNotification(context, "Dictionary download fail for reason '" + reasonText + "' !");
                }
            }
        }

    } catch (Exception e) {
        String msg = "Error during the download file processing: " + e.getMessage();
        Log.e(MainActivity.LOG_TAG, msg, e);
        NotificationUtil.sendNotification(context, msg);
    }
}