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

Introduction

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

Prototype

public abstract DocumentFile[] listFiles();

Source Link

Usage

From source file:com.callrecorder.android.FileHelper.java

public static List<Recording> listRecordings(Context context) {
    final DocumentFile directory = getStorageFile(context);

    DocumentFile[] files = directory.listFiles();
    List<Recording> fileList = new ArrayList<>();
    for (DocumentFile file : files) {
        if (!file.getName().matches(Constants.FILE_NAME_PATTERN)) {
            Log.d(Constants.TAG, String.format("'%s' didn't match the file name pattern", file.getName()));
            continue;
        }//w  w  w.j av  a2s  .co m

        Recording recording = new Recording(file.getName());
        String phoneNum = recording.getPhoneNumber();
        recording.setUserName(getContactName(phoneNum, context));
        fileList.add(recording);
    }

    return fileList;
}

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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;
    }//from  w  ww  .j ava2s  . c o m

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

    Collections.sort(filenames);

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

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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());/*  www. j a  v  a  2s .  c o m*/
    if (docFile.isDirectory() && docFile.listFiles().length > 0) {
        for (DocumentFile d : docFile.listFiles()) {
            deleteDocFile(d);
        }
    }
    if (!docFile.delete()) {
        throw new IOException("cannot delete files");
    }
}

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

private void encryptDocumentFile(DocumentFile file) throws FileNotFoundException {
    Log.d(TAG, "encryptDocumentFile: encrypting document file");
    if (file.isDirectory()) {
        rootDocumentFile = file;// w ww.j  av a 2 s.c om
        for (DocumentFile f : file.listFiles()) {
            encryptDocumentFile(f);
        }
    } else {
        //check if root document is not null
        if (rootDocumentFile == null) {
            String path = mFilePaths.get(0).substring(0, mFilePaths.get(0).lastIndexOf('/'));

            Log.d(TAG, "encryptDocumentFile: Getting the root document: " + path);
            rootDocumentFile = FileDocumentUtils.getDocumentFile(new File(path));
        }
        DocumentFile temp = rootDocumentFile.createFile("pgp", file.getName() + ".pgp");
        mCreatedDocumentFiles.add(temp);
        publishProgress(file.getName(), "" + ((FileUtils.getReadableSize((file.length())))));

        InputStream in = CryptoFM.getContext().getContentResolver().openInputStream(file.getUri());
        OutputStream out = CryptoFM.getContext().getContentResolver().openOutputStream(temp.getUri());
        DocumentFileEncryption.encryptFile(in, out, pubKeyFile, true, new Date(file.lastModified()),
                file.getName());

    }
}

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From source file:com.kanedias.vanilla.audiotag.PluginService.java

/**
 * Finds needed file through Document API for SAF. It's not optimized yet - you can still gain wrong URI on
 * files such as "/a/b/c.mp3" and "/b/a/c.mp3", but I consider it complete enough to be usable.
 * @param currentDir - document file representing current dir of search
 * @param remainingPathSegments - path segments that are left to find
 * @return URI for found file. Null if nothing found.
 *//*from   ww w  .  j a va 2 s.co  m*/
@Nullable
private Uri findInDocumentTree(DocumentFile currentDir, List<String> remainingPathSegments) {
    for (DocumentFile file : currentDir.listFiles()) {
        int index = remainingPathSegments.indexOf(file.getName());
        if (index == -1) {
            continue;
        }

        if (file.isDirectory()) {
            remainingPathSegments.remove(file.getName());
            return findInDocumentTree(file, remainingPathSegments);
        }

        if (file.isFile() && index == remainingPathSegments.size() - 1) {
            // got to the last part
            return file.getUri();
        }
    }

    return null;
}

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

private void decryptDocumentFiles(DocumentFile f) throws Exception {
    Log.d(TAG, "decryptDocumentFiles: Running decryption on document file");
    //first always check if task is canceled
    if (!isCancelled()) {
        if (f.isDirectory()) {
            for (DocumentFile tmpFile : f.listFiles()) {
                decryptDocumentFiles(tmpFile);
            }//  w w w.j  a  v  a  2s  .c om
        } else {
            File out = new File(rootPath + "/", f.getName().substring(0, f.getName().lastIndexOf('.')));
            // add the file in created files. top remove the files later of user cancels the task
            mCreatedFiles.add(out.getAbsoluteFile());
            publishProgress(f.getName(), "" + ((FileUtils.getReadableSize((f.length())))));

            DocumentFileEncryption.decryptFile(
                    CryptoFM.getContext().getContentResolver().openInputStream(f.getUri()), getSecretKey(),
                    mKeyPass, new BufferedOutputStream(new FileOutputStream(out))

            );

        }
    }
}

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

private ArrayList<String> getOnlyEncryptedDocumentFiles(ArrayList<String> files) {
    int size = files.size();
    for (int i = 0; i < size; i++) {
        DocumentFile file = FileDocumentUtils.getDocumentFile(new File(files.get(i)));
        //check if file is directory
        assert file != null;
        if (file.isDirectory()) {
            //get all the lists of files in directory
            ArrayList<String> tmp = new ArrayList<>();
            for (DocumentFile f : file.listFiles()) {
                tmp.add(FileUtils.CURRENT_PATH + f.getName());
            }//  ww w  . ja  va  2 s .  co  m
            //recursively get files
            getOnlyEncryptedDocumentFiles(tmp);
        }
        if (FileUtils.isEncryptedFile(mFilePaths.get(i))) {
            tmp.add(mFilePaths.get(i));
        }
    }
    //if there are no encrypted file
    if (tmp.size() < 1) {
        throw new IllegalArgumentException("No encrypted files found.");
    }
    return tmp;
}

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From source file:org.dkf.jed2k.android.LollipopFileSystem.java

@Override
public File[] listFiles(File file, org.dkf.jed2k.android.FileFilter filter) {
    try {/*from   w ww .j a va 2 s .  c o m*/
        File[] files = file.listFiles(filter);
        if (files != null) {
            return files;
        }
    } catch (Exception e) {
        // ignore, try with SAF
    }

    LOG.warn("Using SAF for listFiles, could be a costly operation");

    DocumentFile f = getDirectory(app, file, false);
    if (f == null) {
        return null; // does not exists
    }

    DocumentFile[] files = f.listFiles();
    if (filter != null && files != null) {
        List<File> result = new ArrayList<>(files.length);
        for (int i = 0; i < files.length; i++) {
            Uri uri = files[i].getUri();
            String path = getDocumentPath(uri);
            if (path == null) {
                continue;
            }
            File child = new File(path);
            if (filter.accept(child)) {
                result.add(child);
            }
        }

        return result.toArray(new File[0]);
    }

    return new File[0];
}

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

@Override
public File[] listFiles(File file, FileFilter filter) {
    try {/* w  w w  .  j  av a 2s. c o m*/
        File[] files = file.listFiles(filter);
        if (files != null) {
            return files;
        }
    } catch (Throwable e) {
        // ignore, try with SAF
    }

    LOG.warn("Using SAF for listFiles, could be a costly operation");

    DocumentFile f = getDirectory(app, file, false);
    if (f == null) {
        return null; // does not exists
    }

    DocumentFile[] files = f.listFiles();
    if (filter != null && files != null) {
        List<File> result = new ArrayList<>(files.length);
        for (DocumentFile file1 : files) {
            Uri uri = file1.getUri();
            String path = getDocumentPath(uri);
            if (path == null) {
                continue;
            }
            File child = new File(path);
            if (filter.accept(child)) {
                result.add(child);
            }
        }

        return result.toArray(new File[0]);
    }

    return new File[0];
}

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

private void moveDocumentFile(DocumentFile file) throws Exception {
    if (file.isDirectory()) {
        Log.d(TAG, "moveDocumentFile: Yes document file is directory");
        //change the destination folder
        mDestinationFolder = mDestinationFolder + file.getName() + "/";
        //check if destination folder is not document file
        if (FileUtils.isDocumentFile(mDestinationFolder)) {
            rootDocumentFile = rootDocumentFile.createDirectory(file.getName());
        } else {/*from   w  ww  . j a va 2 s . c om*/
            File tmp = new File(mDestinationFolder);
            if (!tmp.exists()) {
                tmp.mkdir();
            } else {
                return;
            }
        }
        for (DocumentFile f : file.listFiles()) {
            moveDocumentFile(f);
        }
    } else {
        isNextFile = true;
        publishProgress(file.getName());
        publishProgress("" + 0);
        //check if pasting in internal storage
        if (!FileUtils.isDocumentFile(mDestinationFolder)) {
            Log.d(TAG, "moveDocumentFile: moving document file in internal storage");
            File destinationFile = new File(mDestinationFolder + file.getName());
            innerMove(CryptoFM.getContext().getContentResolver().openInputStream(file.getUri()),
                    new BufferedOutputStream(new FileOutputStream(destinationFile)), file.length());
        } else {
            Log.d(TAG, "moveDocumentFile: Moving document file honey");
            DocumentFile destFile = rootDocumentFile.createFile(file.getType(), file.getName());

            innerMove(CryptoFM.getContext().getContentResolver().openInputStream(file.getUri()),
                    CryptoFM.getContext().getContentResolver().openOutputStream(destFile.getUri()),
                    file.length());
        }
    }

    //delete the input file
    //if copying then don't
    if (SharedData.IS_COPYING_NOT_MOVING) {
        return;
    }
    if (!file.delete()) {
        throw new IOException("cannot move files");
    }
}

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