Example usage for android.app DownloadManager getMimeTypeForDownloadedFile

Introduction

In this page you can find the example usage for android.app DownloadManager getMimeTypeForDownloadedFile.

Prototype

public String getMimeTypeForDownloadedFile(long id) 

Source Link

Document

Returns the media type of the given downloaded file id, if the file was downloaded successfully.

Usage

From source file:de.escoand.readdaily.DownloadHandler.java

@Override
public void onReceive(final Context context, final Intent intent) {
    final DownloadManager manager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
    final Database db = Database.getInstance(context);
    final Cursor downloads = db.getDownloads();

    LogHandler.log(Log.WARN, "receive starting");

    while (downloads.moveToNext()) {
        final long id = downloads.getLong(downloads.getColumnIndex(Database.COLUMN_ID));
        final String name = downloads.getString(downloads.getColumnIndex(Database.COLUMN_SUBSCRIPTION));
        final String mime = downloads.getString(downloads.getColumnIndex(Database.COLUMN_TYPE));
        final Cursor download = manager.query(new DownloadManager.Query().setFilterById(id));

        // download exists
        if (!download.moveToFirst())
            continue;

        // download finished
        if (download.getInt(
                download.getColumnIndex(DownloadManager.COLUMN_STATUS)) != DownloadManager.STATUS_SUCCESSFUL)
            continue;

        // import file in background
        new Thread(new Runnable() {
            @Override/*from w  w  w  .j a va 2 s. c  o m*/
            public void run() {
                try {
                    LogHandler.log(Log.WARN, "import starting of " + name);

                    final FileInputStream stream = new ParcelFileDescriptor.AutoCloseInputStream(
                            manager.openDownloadedFile(id));
                    final String mimeServer = manager.getMimeTypeForDownloadedFile(id);

                    LogHandler.log(Log.INFO, "id: " + String.valueOf(id));
                    LogHandler.log(Log.INFO, "manager: " + manager.toString());
                    LogHandler.log(Log.INFO, "stream: " + stream.toString());
                    LogHandler.log(Log.INFO, "mime: " + mime);
                    LogHandler.log(Log.INFO, "mimeServer: " + mimeServer);

                    switch (mime != null ? mime : (mimeServer != null ? mimeServer : "")) {

                    // register feedback
                    case "application/json":
                        final byte[] buf = new byte[256];
                        final int len = stream.read(buf);
                        LogHandler.log(Log.WARN, "register feedback: " + new String(buf, 0, len));
                        break;

                    // csv data
                    case "text/plain":
                        db.importCSV(name, stream);
                        break;

                    // xml data
                    case "application/xml":
                    case "text/xml":
                        db.importXML(name, stream);
                        break;

                    // zipped data
                    case "application/zip":
                        db.importZIP(name, stream);
                        break;

                    // do nothing
                    default:
                        LogHandler.log(new IntentFilter.MalformedMimeTypeException());
                        break;
                    }

                    stream.close();
                    LogHandler.log(Log.WARN, "import finished (" + name + ")");
                }

                // file error
                catch (FileNotFoundException e) {
                    LogHandler.logAndShow(e, context, R.string.message_download_open);
                }

                // stream error
                catch (IOException e) {
                    LogHandler.logAndShow(e, context, R.string.message_download_read);
                }

                // xml error
                catch (XmlPullParserException e) {
                    LogHandler.logAndShow(e, context, R.string.message_download_xml);
                }

                // clean
                finally {
                    manager.remove(id);
                    db.removeDownload(id);
                    LogHandler.log(Log.WARN, "clean finished");
                }
            }
        }).start();
    }

    downloads.close();
    LogHandler.log(Log.WARN, "receiving done");
}

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From source file:org.chromium.chrome.browser.download.DownloadManagerService.java

@Override
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();
    if (!DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action))
        return;/* w w w .j av  a  2s .c  om*/
    final DownloadManager manager = (DownloadManager) mContext.getSystemService(Context.DOWNLOAD_SERVICE);

    long downloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1);
    if (downloadId == -1)
        return;
    boolean isPendingOMADownload = mOMADownloadHandler.isPendingOMADownload(downloadId);
    boolean isInOMASharedPrefs = isDownloadIdInOMASharedPrefs(downloadId);
    if (isPendingOMADownload || isInOMASharedPrefs) {
        clearPendingOMADownload(downloadId, null);
        mPendingAutoOpenDownloads.remove(downloadId);
    } else if (mPendingAutoOpenDownloads.get(downloadId) != null) {
        Cursor c = manager.query(new DownloadManager.Query().setFilterById(downloadId));
        int statusIndex = c.getColumnIndex(DownloadManager.COLUMN_STATUS);
        while (c.moveToNext()) {
            int status = c.getInt(statusIndex);
            DownloadInfo info = mPendingAutoOpenDownloads.get(downloadId);
            switch (status) {
            case DownloadManager.STATUS_SUCCESSFUL:
                try {
                    mPendingAutoOpenDownloads.remove(downloadId);
                    if (OMADownloadHandler.OMA_DOWNLOAD_DESCRIPTOR_MIME.equalsIgnoreCase(info.getMimeType())) {
                        mOMADownloadHandler.handleOMADownload(info, downloadId);
                        manager.remove(downloadId);
                        break;
                    }
                    Uri uri = manager.getUriForDownloadedFile(downloadId);
                    Intent launchIntent = new Intent(Intent.ACTION_VIEW);

                    launchIntent.setDataAndType(uri, manager.getMimeTypeForDownloadedFile(downloadId));
                    launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                    mContext.startActivity(launchIntent);
                } catch (ActivityNotFoundException e) {
                    Log.w(TAG, "Activity not found.");
                }
                break;
            case DownloadManager.STATUS_FAILED:
                mPendingAutoOpenDownloads.remove(downloadId);
                break;
            default:
                break;
            }
        }
    }

    if (mPendingAutoOpenDownloads.size() == 0) {
        mContext.unregisterReceiver(this);
    }
}

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