Example usage for android.support.v4.provider DocumentFile isDirectory

List of usage examples for android.support.v4.provider DocumentFile isDirectory

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Introduction

In this page you can find the example usage for android.support.v4.provider DocumentFile isDirectory.

Prototype

public abstract boolean isDirectory();

Source Link

Usage

From source file:com.frostwire.android.StoragePicker.java

public static String handle(Context context, int requestCode, int resultCode, Intent data) {
    String result = null;/* w  ww. java 2  s  . c om*/
    try {

        if (resultCode == Activity.RESULT_OK && requestCode == SELECT_FOLDER_REQUEST_CODE) {
            Uri treeUri = data.getData();

            ContentResolver cr = context.getContentResolver();

            final int takeFlags = data.getFlags()
                    & (Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
            cr.takePersistableUriPermission(treeUri, takeFlags);

            if (treeUri == null) {
                UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_null);
                result = null;
            } else {
                DocumentFile file = DocumentFile.fromTreeUri(context, treeUri);
                if (!file.isDirectory()) {
                    UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_not_directory);
                    result = null;
                } else if (!file.canWrite()) {
                    UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_cant_write);
                    result = null;
                } else {
                    LollipopFileSystem fs = (LollipopFileSystem) Platforms.fileSystem();
                    result = fs.getTreePath(treeUri);
                    if (result != null && !result.endsWith("/FrostWire")) {
                        DocumentFile f = file.findFile("FrostWire");
                        if (f == null) {
                            file.createDirectory("FrostWire");
                        }
                    }
                }
            }
        }
    } catch (Throwable e) {
        UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_error);
        LOG.error("Error handling folder selection", e);
        result = null;
    }

    if (result != null) {
        ConfigurationManager.instance().setStoragePath(result);
        BTEngine.ctx.dataDir = Platforms.data();
        BTEngine.ctx.torrentsDir = Platforms.torrents();
    }

    return result;
}

From source file:org.dkf.jmule.StoragePicker.java

public static String handle(Context context, int requestCode, int resultCode, Intent data) {
    String result = null;/*from   www  .j a  va  2 s.co  m*/
    try {

        if (resultCode == Activity.RESULT_OK && requestCode == SELECT_FOLDER_REQUEST_CODE) {
            Uri treeUri = data.getData();

            ContentResolver cr = context.getContentResolver();

            Method takePersistableUriPermissionM = cr.getClass().getMethod("takePersistableUriPermission",
                    Uri.class, int.class);
            final int takeFlags = data.getFlags()
                    & (Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
            takePersistableUriPermissionM.invoke(cr, treeUri, takeFlags);

            if (treeUri == null) {
                UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_null);
                result = null;
            } else {
                DocumentFile file = DocumentFile.fromTreeUri(context, treeUri);
                if (!file.isDirectory()) {
                    UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_not_directory);
                    result = null;
                } else if (!file.canWrite()) {
                    UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_cant_write);
                    result = null;
                } else {
                    if (Platforms.get().saf()) {
                        LollipopFileSystem fs = (LollipopFileSystem) Platforms.fileSystem();
                        result = fs.getTreePath(treeUri);

                        // TODO - remove below code - only for testing SD card writing
                        File testFile = new File(result, "test_file.txt");
                        LOG.info("test file {}", testFile);

                        try {
                            Pair<ParcelFileDescriptor, DocumentFile> fd = fs.openFD(testFile, "rw");
                            if (fd != null && fd.first != null && fd.second != null) {
                                AndroidFileHandler ah = new AndroidFileHandler(testFile, fd.second, fd.first);
                                ByteBuffer bb = ByteBuffer.allocate(48);
                                bb.putInt(1).putInt(2).putInt(3).putInt(44).putInt(22);
                                bb.flip();
                                ah.getWriteChannel().write(bb);
                                ah.close();
                            } else {
                                LOG.error("unable to create file {}", testFile);
                            }
                        } catch (Exception e) {
                            LOG.error("unable to fill file {} error {}", testFile, e);
                        }
                    }
                }
            }
        }
    } catch (Exception e) {
        UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_error);
        LOG.error("Error handling folder selection {}", e);
        result = null;
    }

    return result;
}

From source file:com.frostwire.android.gui.StoragePicker.java

public static String handle(Context context, int requestCode, int resultCode, Intent data) {
    String result = null;//from  w  w w . ja  v a  2s .  com
    try {

        if (resultCode == Activity.RESULT_OK && requestCode == SELECT_FOLDER_REQUEST_CODE) {
            Uri treeUri = data.getData();

            ContentResolver cr = context.getContentResolver();

            Method takePersistableUriPermissionM = cr.getClass().getMethod("takePersistableUriPermission",
                    Uri.class, int.class);
            final int takeFlags = data.getFlags()
                    & (Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
            takePersistableUriPermissionM.invoke(cr, treeUri, takeFlags);

            if (treeUri == null) {
                UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_null);
                result = null;
            } else {
                DocumentFile file = DocumentFile.fromTreeUri(context, treeUri);
                if (!file.isDirectory()) {
                    UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_not_directory);
                    result = null;
                } else if (!file.canWrite()) {
                    UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_cant_write);
                    result = null;
                } else {
                    result = getFullPathFromTreeUri(context, treeUri);
                }
            }
        }
    } catch (Throwable e) {
        UIUtils.showShortMessage(context, R.string.storage_picker_treeuri_error);
        LOG.error("Error handling folder selection", e);
        result = null;
    }

    return result;
}

From source file:com.amaze.filemanager.filesystem.RootHelper.java

public static HybridFileParcelable generateBaseFile(DocumentFile file, boolean showHidden) {
    long size = 0;
    if (!file.isDirectory())
        size = file.length();//from  w ww .j a v a  2  s .c o m
    HybridFileParcelable baseFile = new HybridFileParcelable(file.getName(), parseDocumentFilePermission(file),
            file.lastModified(), size, file.isDirectory());
    baseFile.setName(file.getName());
    baseFile.setMode(OpenMode.OTG);

    return baseFile;
}

From source file:com.amaze.carbonfilemanager.filesystem.RootHelper.java

public static BaseFile generateBaseFile(DocumentFile file, boolean showHidden) {
    long size = 0;
    if (!file.isDirectory())
        size = file.length();/*from  w  w  w . ja  va  2 s .  c o m*/
    BaseFile baseFile = new BaseFile(file.getName(), parseDocumentFilePermission(file), file.lastModified(),
            size, file.isDirectory());
    baseFile.setName(file.getName());
    baseFile.setMode(OpenMode.OTG);

    return baseFile;
}

From source file:com.github.chenxiaolong.dualbootpatcher.switcher.InAppFlashingFragment.java

@Nullable
private static String[] getDirectories(Context context, Uri uri) {
    final ArrayList<String> filenames = new ArrayList<>();
    DocumentFile directory = FileUtils.getDocumentFile(context, uri);
    DocumentFile[] files = directory.listFiles();

    if (files == null) {
        return null;
    }// www . j a  va 2  s .co m

    for (DocumentFile file : files) {
        if (file.isDirectory()) {
            filenames.add(file.getName());
        }
    }

    Collections.sort(filenames);

    return filenames.toArray(new String[filenames.size()]);
}

From source file:com.frostwire.android.LollipopFileSystem.java

private static DocumentFile getDirectory(Context context, File dir, boolean create) {
    try {//from w w w . j a  va 2  s .  c  o m
        String path = dir.getAbsolutePath();
        DocumentFile cached = CACHE.get(path);
        if (cached != null && cached.isDirectory()) {
            return cached;
        }

        String baseFolder = getExtSdCardFolder(context, dir);
        if (baseFolder == null) {
            if (create) {
                return dir.mkdirs() ? DocumentFile.fromFile(dir) : null;
            } else {
                return dir.isDirectory() ? DocumentFile.fromFile(dir) : null;
            }
        }

        baseFolder = combineRoot(baseFolder);

        String fullPath = dir.getAbsolutePath();
        String relativePath = baseFolder.length() < fullPath.length()
                ? fullPath.substring(baseFolder.length() + 1)
                : "";

        String[] segments = relativePath.split("/");

        Uri rootUri = getDocumentUri(context, new File(baseFolder));
        DocumentFile f = DocumentFile.fromTreeUri(context, rootUri);

        // special FrostWire case
        if (create) {
            if (baseFolder.endsWith("/FrostWire") && !f.exists()) {
                baseFolder = baseFolder.substring(0, baseFolder.length() - 10);
                rootUri = getDocumentUri(context, new File(baseFolder));
                f = DocumentFile.fromTreeUri(context, rootUri);
                f = f.findFile("FrostWire");
                if (f == null) {
                    f = f.createDirectory("FrostWire");
                    if (f == null) {
                        return null;
                    }
                }
            }
        }
        for (String segment : segments) {
            DocumentFile child = f.findFile(segment);
            if (child != null) {
                f = child;
            } else {
                if (create) {
                    f = f.createDirectory(segment);
                    if (f == null) {
                        return null;
                    }
                } else {
                    return null;
                }
            }
        }

        f = f.isDirectory() ? f : null;

        if (f != null) {
            CACHE.put(path, f);
        }

        return f;
    } catch (Throwable e) {
        LOG.error("Error getting directory: " + dir, e);
        return null;
    }
}

From source file:io.v.syncslides.lib.DeckImporter.java

private Void importDeckImpl(DocumentFile dir) throws ImportException {
    if (!dir.isDirectory()) {
        throw new ImportException("Must import from a directory, got: " + dir);
    }// www .j  av a  2s. co  m
    // Read the deck metadata file.
    DocumentFile metadataFile = dir.findFile(DECK_JSON);
    if (metadataFile == null) {
        throw new ImportException("Couldn't find deck metadata file 'deck.json'");
    }
    JSONObject metadata = null;
    try {
        String data = new String(
                ByteStreams.toByteArray(mContentResolver.openInputStream(metadataFile.getUri())),
                Charsets.UTF_8);
        metadata = new JSONObject(data);
    } catch (FileNotFoundException e) {
        throw new ImportException("Couldn't open deck metadata file", e);
    } catch (IOException e) {
        throw new ImportException("Couldn't read data from deck metadata file", e);
    } catch (JSONException e) {
        throw new ImportException("Couldn't parse deck metadata", e);
    }

    try {
        String id = UUID.randomUUID().toString();
        String title = metadata.getString(TITLE);
        byte[] thumbData = readImage(dir, metadata.getString(THUMB));
        Deck deck = new DeckImpl(title, thumbData, id);
        Slide[] slides = readSlides(dir, metadata);
        sync(mDB.importDeck(deck, slides));
    } catch (JSONException e) {
        throw new ImportException("Invalid format for deck metadata", e);
    } catch (IOException e) {
        throw new ImportException("Error interpreting deck metadata", e);
    } catch (VException e) {
        throw new ImportException("Error importing deck", e);
    }
    return null;
}

From source file:com.osama.cryptofm.tasks.DeleteTask.java

private void deleteDocFile(DocumentFile docFile) throws IOException {
    Log.d(TAG, "deleteDocFile: Deleting document file");
    publishProgress(docFile.getName());//from  w  w w.  j a  va  2  s. c om
    if (docFile.isDirectory() && docFile.listFiles().length > 0) {
        for (DocumentFile d : docFile.listFiles()) {
            deleteDocFile(d);
        }
    }
    if (!docFile.delete()) {
        throw new IOException("cannot delete files");
    }
}

From source file:io.v.android.apps.syncslides.DeckChooserFragment.java

/**
 * Import a slide deck from the given (local) folder.
 *
 * The folder must contain a JSON metadata file 'deck.json' with the following format:
 * {/*w w w  .  j ava2  s. c om*/
 *     "Title" : "<title>",
 *     "Thumb" : "<filename>,
 *     "Slides" : [
 *          {
 *              "Thumb" : "<thumb_filename1>",
 *              "Image" : "<image_filename1>",
 *              "Note" : "<note1>"
 *          },
 *          {
 *              "Thumb" : "<thumb_filename2>",
 *              "Image" : "<image_filename2>",
 *              "Note" : "<note2>"
 *          },
 *
 *          ...
 *     ]
 * }
 *
 * All the filenames must be local to the given folder.
 */
private void importDeck(DocumentFile dir) {
    if (!dir.isDirectory()) {
        toast("Must import from a directory, got: " + dir);
        return;
    }
    // Read the deck metadata file.
    DocumentFile metadataFile = dir.findFile("deck.json");
    if (metadataFile == null) {
        toast("Couldn't find deck metadata file 'deck.json'");
        return;
    }
    JSONObject metadata = null;
    try {
        String data = new String(
                ByteStreams
                        .toByteArray(getActivity().getContentResolver().openInputStream(metadataFile.getUri())),
                Charsets.UTF_8);
        metadata = new JSONObject(data);
    } catch (FileNotFoundException e) {
        toast("Couldn't open deck metadata file: " + e.getMessage());
        return;
    } catch (IOException e) {
        toast("Couldn't read data from deck metadata file: " + e.getMessage());
        return;
    } catch (JSONException e) {
        toast("Couldn't parse deck metadata: " + e.getMessage());
        return;
    }

    try {
        String id = UUID.randomUUID().toString();
        String title = metadata.getString("Title");
        byte[] thumbData = readImage(dir, metadata.getString("Thumb"));
        Deck deck = DeckFactory.Singleton.get().make(title, thumbData, id);
        Slide[] slides = readSlides(dir, metadata);
        DB.Singleton.get(getActivity().getApplicationContext()).importDeck(deck, slides, null);
    } catch (JSONException e) {
        toast("Invalid format for deck metadata: " + e.getMessage());
        return;
    } catch (IOException e) {
        toast("Error interpreting deck metadata: " + e.getMessage());
        return;
    }
}