public Cursor querySearchDocuments()

in StorageProvider/Application/src/main/java/com/example/android/storageprovider/MyCloudProvider.java [208:243]
19 lines of code
5 McCabe index (conditional complexity)

    public Cursor querySearchDocuments(String rootId, String query, String[] projection)
            throws FileNotFoundException {
        Log.v(TAG, "querySearchDocuments");

        // Create a cursor with the requested projection, or the default projection.
        final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection));
        final File parent = getFileForDocId(rootId);

        // This example implementation searches file names for the query and doesn't rank search
        // results, so we can stop as soon as we find a sufficient number of matches.  Other
        // implementations might use other data about files, rather than the file name, to
        // produce a match; it might also require a network call to query a remote server.

        // Iterate through all files in the file structure under the root until we reach the
        // desired number of matches.
        final LinkedList<File> pending = new LinkedList<File>();

        // Start by adding the parent to the list of files to be processed
        pending.add(parent);

        // Do while we still have unexamined files, and fewer than the max search results
        while (!pending.isEmpty() && result.getCount() < MAX_SEARCH_RESULTS) {
            // Take a file from the list of unprocessed files
            final File file = pending.removeFirst();
            if (file.isDirectory()) {
                // If it's a directory, add all its children to the unprocessed list
                Collections.addAll(pending, file.listFiles());
            } else {
                // If it's a file and it matches, add it to the result cursor.
                if (file.getName().toLowerCase().contains(query)) {
                    includeFile(result, null, file);
                }
            }
        }
        return result;
    }