@Override public LocalFilesystemURL toLocalUri(Uri inputURL) { if (!"file".equals(inputURL.getScheme())) { return null; } File f = new File(inputURL.getPath()); // Removes and duplicate /s (e.g. file:///a//b/c) Uri resolvedUri = Uri.fromFile(f); String rootUriNoTrailingSlash = rootUri.getEncodedPath(); rootUriNoTrailingSlash = rootUriNoTrailingSlash.substring(0, rootUriNoTrailingSlash.length() - 1); if (!resolvedUri.getEncodedPath().startsWith(rootUriNoTrailingSlash)) { return null; } String subPath = resolvedUri.getEncodedPath().substring(rootUriNoTrailingSlash.length()); // Strip leading slash if (!subPath.isEmpty()) { subPath = subPath.substring(1); } Uri.Builder b = new Uri.Builder() .scheme(LocalFilesystemURL.FILESYSTEM_PROTOCOL) .authority("localhost") .path(name); if (!subPath.isEmpty()) { b.appendEncodedPath(subPath); } if (isDirectory(subPath) || inputURL.getPath().endsWith("/")) { // Add trailing / for directories. b.appendEncodedPath(""); } return LocalFilesystemURL.parse(b.build()); }
@Override public long writeToFileAtURL( LocalFilesystemURL inputURL, String data, int offset, boolean isBinary) throws IOException, NoModificationAllowedException { boolean append = false; if (offset > 0) { this.truncateFileAtURL(inputURL, offset); append = true; } byte[] rawData; if (isBinary) { rawData = Base64.decode(data, Base64.DEFAULT); } else { rawData = data.getBytes(); } ByteArrayInputStream in = new ByteArrayInputStream(rawData); try { byte buff[] = new byte[rawData.length]; FileOutputStream out = new FileOutputStream(this.filesystemPathForURL(inputURL), append); try { in.read(buff, 0, buff.length); out.write(buff, 0, rawData.length); out.flush(); } finally { // Always close the output out.close(); } broadcastNewFile(inputURL); } catch (NullPointerException e) { // This is a bug in the Android implementation of the Java Stack NoModificationAllowedException realException = new NoModificationAllowedException(inputURL.toString()); throw realException; } return rawData.length; }