Example usage for android.content ContentResolver openInputStream

Introduction

In this page you can find the example usage for android.content ContentResolver openInputStream.

Prototype

public final @Nullable InputStream openInputStream(@NonNull Uri uri) throws FileNotFoundException 

Source Link

Document

Open a stream on to the content associated with a content URI.

Usage

From source file:org.mdc.chess.MDChess.java

/**
 * Return PGN/FEN data or filename from the Intent. Both can not be non-null.
 *
 * @return Pair of PGN/FEN data and filename.
 *//* w w  w  . ja  v a 2  s . c o m*/
private Pair<String, String> getPgnOrFenIntent() {
    String pgnOrFen = null;
    String filename = null;
    try {
        Intent intent = getIntent();
        Uri data = intent.getData();
        if (data == null) {
            Bundle b = intent.getExtras();
            if (b != null) {
                Object strm = b.get(Intent.EXTRA_STREAM);
                if (strm instanceof Uri) {
                    data = (Uri) strm;
                    if ("file".equals(data.getScheme())) {
                        filename = data.getEncodedPath();
                        if (filename != null) {
                            filename = Uri.decode(filename);
                        }
                    }
                }
            }
        }
        if (data == null) {
            if ((Intent.ACTION_SEND.equals(intent.getAction()) || Intent.ACTION_VIEW.equals(intent.getAction()))
                    && ("application/x-chess-pgn".equals(intent.getType())
                            || "application/x-chess-fen".equals(intent.getType()))) {
                pgnOrFen = intent.getStringExtra(Intent.EXTRA_TEXT);
            }
        } else {
            String scheme = intent.getScheme();
            if ("file".equals(scheme)) {
                filename = data.getEncodedPath();
                if (filename != null) {
                    filename = Uri.decode(filename);
                }
            }
            if ((filename == null) && ("content".equals(scheme) || "file".equals(scheme))) {
                ContentResolver resolver = getContentResolver();
                InputStream in = resolver.openInputStream(intent.getData());
                StringBuilder sb = new StringBuilder();
                while (true) {
                    byte[] buffer = new byte[16384];
                    int len = in != null ? in.read(buffer) : 0;
                    if (len <= 0) {
                        break;
                    }
                    sb.append(new String(buffer, 0, len));
                }
                pgnOrFen = sb.toString();
            }
        }
    } catch (IOException e) {
        Toast.makeText(getApplicationContext(), R.string.failed_to_read_pgn_data, Toast.LENGTH_SHORT).show();
    }
    return new Pair<>(pgnOrFen, filename);
}

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From source file:org.mozilla.gecko.GeckoApp.java

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    switch (requestCode) {
    case FILE_PICKER_REQUEST:
        String filePickerResult = "";
        if (data != null && resultCode == RESULT_OK) {
            try {
                ContentResolver cr = getContentResolver();
                Uri uri = data.getData();
                Cursor cursor = GeckoApp.mAppContext.getContentResolver().query(uri,
                        new String[] { OpenableColumns.DISPLAY_NAME }, null, null, null);
                String name = null;
                if (cursor != null) {
                    try {
                        if (cursor.moveToNext()) {
                            name = cursor.getString(0);
                        }//from  ww  w  . j a  v  a 2  s.  c  o  m
                    } finally {
                        cursor.close();
                    }
                }
                String fileName = "tmp_";
                String fileExt = null;
                int period;
                if (name == null || (period = name.lastIndexOf('.')) == -1) {
                    String mimeType = cr.getType(uri);
                    fileExt = "." + GeckoAppShell.getExtensionFromMimeType(mimeType);
                } else {
                    fileExt = name.substring(period);
                    fileName = name.substring(0, period);
                }
                File file = File.createTempFile(fileName, fileExt, sGREDir);

                FileOutputStream fos = new FileOutputStream(file);
                InputStream is = cr.openInputStream(uri);
                byte[] buf = new byte[4096];
                int len = is.read(buf);
                while (len != -1) {
                    fos.write(buf, 0, len);
                    len = is.read(buf);
                }
                fos.close();
                filePickerResult = file.getAbsolutePath();
            } catch (Exception e) {
                Log.e(LOGTAG, "showing file picker", e);
            }
        }
        try {
            mFilePickerResult.put(filePickerResult);
        } catch (InterruptedException e) {
            Log.i(LOGTAG, "error returning file picker result", e);
        }
        break;
    case AWESOMEBAR_REQUEST:
        if (data != null) {
            String url = data.getStringExtra(AwesomeBar.URL_KEY);
            AwesomeBar.Type type = AwesomeBar.Type.valueOf(data.getStringExtra(AwesomeBar.TYPE_KEY));
            String searchEngine = data.getStringExtra(AwesomeBar.SEARCH_KEY);
            boolean userEntered = data.getBooleanExtra(AwesomeBar.USER_ENTERED_KEY, false);
            if (url != null && url.length() > 0)
                loadRequest(url, type, searchEngine, userEntered);
        }
        break;
    case CAMERA_CAPTURE_REQUEST:
        Log.i(LOGTAG, "Returning from CAMERA_CAPTURE_REQUEST: " + resultCode);
        File file = new File(Environment.getExternalStorageDirectory(),
                "cameraCapture-" + Integer.toString(kCaptureIndex) + ".jpg");
        kCaptureIndex++;
        GeckoEvent e = GeckoEvent.createBroadcastEvent("cameraCaptureDone",
                resultCode == Activity.RESULT_OK ? "{\"ok\": true,  \"path\": \"" + file.getPath() + "\" }"
                        : "{\"ok\": false, \"path\": \"" + file.getPath() + "\" }");
        GeckoAppShell.sendEventToGecko(e);
        break;
    }
}

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From source file:edu.cmu.cylab.starslinger.view.HomeActivity.java

private long getOutStreamSizeAndData(Uri uri, String contentType) throws IOException {

    String name = null;/* w  ww  .  j  a v  a 2s.c  om*/
    try {
        Cursor c = getContentResolver().query(uri, new String[] { MediaColumns.DISPLAY_NAME }, null, null,
                null);
        if (c != null) {
            try {
                if (c.moveToFirst()) {
                    name = c.getString(c.getColumnIndex(MediaColumns.DISPLAY_NAME));
                }
            } finally {
                c.close();
            }
        }
    } catch (IllegalArgumentException e) {
        // column may not exist
    }

    long size = -1;
    try {
        Cursor c = getContentResolver().query(uri, new String[] { MediaColumns.SIZE }, null, null, null);
        if (c != null) {
            try {
                if (c.moveToFirst()) {
                    size = c.getInt(c.getColumnIndex(MediaColumns.SIZE));
                }
            } finally {
                c.close();
            }
        }
    } catch (IllegalArgumentException e) {
        // column may not exist
    }

    String data = null;
    try {
        Cursor c = getContentResolver().query(uri, new String[] { MediaColumns.DATA }, null, null, null);
        if (c != null) {
            try {
                if (c.moveToFirst()) {
                    data = c.getString(c.getColumnIndex(MediaColumns.DATA));
                }
            } finally {
                c.close();
            }
        }
    } catch (IllegalArgumentException e) {
        // column may not exist
    }

    if (name == null) {
        name = uri.getLastPathSegment();
    }

    File f = null;
    if (size <= 0) {
        String uriString = uri.toString();
        if (uriString.startsWith("file://")) {
            MyLog.v(TAG, uriString.substring("file://".length()));
            f = new File(uriString.substring("file://".length()));
            size = f.length();
        } else {
            MyLog.v(TAG, "not a file: " + uriString);
        }
    }

    ContentResolver cr = getContentResolver();
    InputStream is;
    // read file bytes
    try {
        is = cr.openInputStream(uri);
    } catch (FileNotFoundException e) {
        if (!TextUtils.isEmpty(data)) {
            is = new FileInputStream(data);
        } else {
            return -1; // unable to load file at all
        }
    }

    if ((contentType != null) && (contentType.indexOf('*') != -1)) {
        contentType = getContentResolver().getType(uri);
    }

    if (contentType == null) {
        contentType = URLConnection.guessContentTypeFromStream(is);
        if (contentType == null) {
            String extension = SSUtil.getFileExtensionOnly(name);
            contentType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
            if (contentType == null) {
                contentType = SafeSlingerConfig.MIMETYPE_OPEN_ATTACH_DEF;
            }
        }
    }
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    byte[] buf = new byte[4096];
    while (is.read(buf) > -1) {
        baos.write(buf);
    }
    baos.flush();

    final byte[] fileBytes = baos.toByteArray();
    DraftData d = DraftData.INSTANCE;
    d.setFileData(fileBytes);
    d.setFileSize(fileBytes.length);
    d.setFileType(contentType);
    d.setFileName(name);
    if (f != null && f.exists()) {
        d.setFileDir(f.getAbsolutePath());
    } else if (!TextUtils.isEmpty(data)) {
        d.setFileDir(new File(data).getAbsolutePath());
    }
    return d.getFileSize();
}

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From source file:edu.mit.viral.shen.DroidFish.java

private final Pair<String, String> getPgnOrFenIntent() {
    String pgnOrFen = null;//from w w w  .j a  v a2s  . c  o  m
    String filename = null;
    try {
        Intent intent = getIntent();
        Uri data = intent.getData();
        if (data == null) {
            if ((Intent.ACTION_SEND.equals(intent.getAction()) || Intent.ACTION_VIEW.equals(intent.getAction()))
                    && ("application/x-chess-pgn".equals(intent.getType())
                            || "application/x-chess-fen".equals(intent.getType())))
                pgnOrFen = intent.getStringExtra(Intent.EXTRA_TEXT);
        } else {
            String scheme = intent.getScheme();
            if ("file".equals(scheme)) {
                filename = data.getEncodedPath();
                if (filename != null)
                    filename = Uri.decode(filename);
            }
            if ((filename == null) && ("content".equals(scheme) || "file".equals(scheme))) {
                ContentResolver resolver = getContentResolver();
                InputStream in = resolver.openInputStream(intent.getData());
                StringBuilder sb = new StringBuilder();
                while (true) {
                    byte[] buffer = new byte[16384];
                    int len = in.read(buffer);
                    if (len <= 0)
                        break;
                    sb.append(new String(buffer, 0, len));
                }
                pgnOrFen = sb.toString();
            }
        }
    } catch (IOException e) {
        Toast.makeText(getApplicationContext(), R.string.failed_to_read_pgn_data, Toast.LENGTH_SHORT).show();
    }
    return new Pair<String, String>(pgnOrFen, filename);
}

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From source file:com.if3games.chessonline.DroidFish.java

/**
 * Return PGN/FEN data or filename from the Intent. Both can not be non-null.
 * @return Pair of PGN/FEN data and filename.
 *//* w w  w.  ja  v a2s .  c  o m*/
private final Pair<String, String> getPgnOrFenIntent() {
    String pgnOrFen = null;
    String filename = null;
    try {
        Intent intent = getIntent();
        Uri data = intent.getData();
        if (data == null) {
            Bundle b = intent.getExtras();
            if (b != null) {
                Object strm = b.get(Intent.EXTRA_STREAM);
                if (strm instanceof Uri) {
                    data = (Uri) strm;
                    if ("file".equals(data.getScheme())) {
                        filename = data.getEncodedPath();
                        if (filename != null)
                            filename = Uri.decode(filename);
                    }
                }
            }
        }
        if (data == null) {
            if ((Intent.ACTION_SEND.equals(intent.getAction()) || Intent.ACTION_VIEW.equals(intent.getAction()))
                    && ("application/x-chess-pgn".equals(intent.getType())
                            || "application/x-chess-fen".equals(intent.getType())))
                pgnOrFen = intent.getStringExtra(Intent.EXTRA_TEXT);
        } else {
            String scheme = intent.getScheme();
            if ("file".equals(scheme)) {
                filename = data.getEncodedPath();
                if (filename != null)
                    filename = Uri.decode(filename);
            }
            if ((filename == null) && ("content".equals(scheme) || "file".equals(scheme))) {
                ContentResolver resolver = getContentResolver();
                InputStream in = resolver.openInputStream(intent.getData());
                StringBuilder sb = new StringBuilder();
                while (true) {
                    byte[] buffer = new byte[16384];
                    int len = in.read(buffer);
                    if (len <= 0)
                        break;
                    sb.append(new String(buffer, 0, len));
                }
                pgnOrFen = sb.toString();
            }
        }
    } catch (IOException e) {
        Toast.makeText(getApplicationContext(), R.string.failed_to_read_pgn_data, Toast.LENGTH_SHORT).show();
    }
    return new Pair<String, String>(pgnOrFen, filename);
}

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