Examples with AbstractMessage net.java.otr4j.io.messages.AbstractMessage used on opensource projects

Example 1 with AbstractMessage

use of net.java.otr4j.io.messages.AbstractMessage in project Zom-Android by zom.

the class SessionImpl method transformReceiving.

/*
     * (non-Javadoc)
     *
     * @see
     * net.java.otr4j.session.ISession#handleReceivingMessage(java.lang.String)
     */
public String transformReceiving(String msgText, List<TLV> tlvs) throws OtrException, NullPointerException {
    OtrPolicy policy = getSessionPolicy();
    if (!policy.getAllowV1() && !policy.getAllowV2()) {
        if (DEBUG_ENABLED)
            Log.d(LOG_TAG, "Policy does not allow neither V1 not V2, ignoring message.");
        return msgText;
    }
    try {
        msgText = assembler.accumulate(msgText);
    } catch (ProtocolException e) {
        if (DEBUG_ENABLED)
            Log.d(LOG_TAG, "An invalid message fragment was discarded.");
        return null;
    }
    if (msgText == null)
        // Not a complete message (yet).
        return null;
    AbstractMessage m;
    try {
        m = SerializationUtils.toMessage(msgText);
    } catch (IOException e) {
        throw new OtrException(e);
    }
    if (m == null)
        // msgText; // Propably null or empty.
        return null;
    switch(m.messageType) {
        case AbstractEncodedMessage.MESSAGE_DATA:
            return handleDataMessage((DataMessage) m, tlvs);
        case AbstractMessage.MESSAGE_ERROR:
            handleErrorMessage((ErrorMessage) m);
            return null;
        case AbstractMessage.MESSAGE_PLAINTEXT:
            return handlePlainTextMessage((PlainTextMessage) m);
        case AbstractMessage.MESSAGE_QUERY:
            handleQueryMessage((QueryMessage) m);
            return null;
        case AbstractEncodedMessage.MESSAGE_DH_COMMIT:
        case AbstractEncodedMessage.MESSAGE_DHKEY:
        case AbstractEncodedMessage.MESSAGE_REVEALSIG:
        case AbstractEncodedMessage.MESSAGE_SIGNATURE:
            AuthContext auth = this.getAuthContext(false);
            auth.handleReceivingMessage(m);
            if (auth.getIsSecure()) {
                this.setSessionStatus(SessionStatus.ENCRYPTED);
                if (DEBUG_ENABLED)
                    Log.d(LOG_TAG, "Gone Secure.");
            }
            return null;
        default:
            throw new UnsupportedOperationException("Received an unknown message type.");
    }
}