Examples with Nullable androidx.annotation.Nullable used on opensource projects

Example 11 with Nullable

use of androidx.annotation.Nullable in project k-9 by k9mail.

the class AttachmentInfoExtractor method getDecryptedFileProviderUri.

@Nullable
@VisibleForTesting
protected Uri getDecryptedFileProviderUri(DeferredFileBody decryptedTempFileBody, String mimeType) {
    Uri uri;
    try {
        File file = decryptedTempFileBody.getFile();
        uri = DecryptedFileProvider.getUriForProvidedFile(context, file, decryptedTempFileBody.getEncoding(), mimeType);
    } catch (IOException e) {
        Timber.e(e, "Decrypted temp file (no longer?) exists!");
        uri = null;
    }
    return uri;
}

Example 12 with Nullable

use of androidx.annotation.Nullable in project k-9 by k9mail.

the class TextPartFinder method findFirstTextPart.

@Nullable
public Part findFirstTextPart(@NonNull Part part) {
    String mimeType = part.getMimeType();
    Body body = part.getBody();
    if (body instanceof Multipart) {
        Multipart multipart = (Multipart) body;
        if (isSameMimeType(mimeType, "multipart/alternative")) {
            return findTextPartInMultipartAlternative(multipart);
        } else {
            return findTextPartInMultipart(multipart);
        }
    } else if (isSameMimeType(mimeType, "text/plain") || isSameMimeType(mimeType, "text/html")) {
        return part;
    }
    return null;
}

Example 13 with Nullable

use of androidx.annotation.Nullable in project k-9 by k9mail.

the class MessageCryptoHelper method getMultipartSignedContentPartIfAvailable.

@Nullable
private static MimeBodyPart getMultipartSignedContentPartIfAvailable(Part part) {
    MimeBodyPart replacementPart = NO_REPLACEMENT_PART;
    Body body = part.getBody();
    if (body instanceof MimeMultipart) {
        MimeMultipart multipart = ((MimeMultipart) part.getBody());
        if (multipart.getCount() >= 1) {
            replacementPart = (MimeBodyPart) multipart.getBodyPart(0);
        }
    }
    return replacementPart;
}

Example 14 with Nullable

use of androidx.annotation.Nullable in project k-9 by k9mail.

the class AutocryptOperations method createGossipUpdateBundle.

@Nullable
private Bundle createGossipUpdateBundle(Message message, MimeBodyPart decryptedPart) {
    List<String> gossipAcceptedAddresses = getGossipAcceptedAddresses(message);
    if (gossipAcceptedAddresses.isEmpty()) {
        return null;
    }
    List<AutocryptGossipHeader> autocryptGossipHeaders = autocryptGossipHeaderParser.getAllAutocryptGossipHeaders(decryptedPart);
    if (autocryptGossipHeaders.isEmpty()) {
        return null;
    }
    Date messageDate = message.getSentDate();
    Date internalDate = message.getInternalDate();
    Date effectiveDate = messageDate.before(internalDate) ? messageDate : internalDate;
    return createGossipUpdateBundle(gossipAcceptedAddresses, autocryptGossipHeaders, effectiveDate);
}

Example 15 with Nullable

use of androidx.annotation.Nullable in project k-9 by k9mail.

the class AutocryptGossipHeaderParser method parseAutocryptGossipHeader.

@Nullable
@VisibleForTesting
AutocryptGossipHeader parseAutocryptGossipHeader(String headerValue) {
    Map<String, String> parameters = MimeUtility.getAllHeaderParameters(headerValue);
    String type = parameters.remove(AutocryptHeader.AUTOCRYPT_PARAM_TYPE);
    if (type != null && !type.equals(AutocryptHeader.AUTOCRYPT_TYPE_1)) {
        Timber.e("autocrypt: unsupported type parameter %s", type);
        return null;
    }
    String base64KeyData = parameters.remove(AutocryptHeader.AUTOCRYPT_PARAM_KEY_DATA);
    if (base64KeyData == null) {
        Timber.e("autocrypt: missing key parameter");
        return null;
    }
    ByteString byteString = ByteString.decodeBase64(base64KeyData);
    if (byteString == null) {
        Timber.e("autocrypt: error parsing base64 data");
        return null;
    }
    String addr = parameters.remove(AutocryptHeader.AUTOCRYPT_PARAM_ADDR);
    if (addr == null) {
        Timber.e("autocrypt: no to header!");
        return null;
    }
    if (hasCriticalParameters(parameters)) {
        return null;
    }
    return new AutocryptGossipHeader(addr, byteString.toByteArray());
}