diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/Transport.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/Transport.java | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/Transport.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/Transport.java new file mode 100644 index 000000000..294eaa9ee --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/Transport.java @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2016 Nikita Mikhailov <nikita.s.mikhailov@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +package org.sufficientlysecure.keychain.securitytoken; + +import java.io.IOException; + +/** + * Abstraction for transmitting APDU commands + */ +public interface Transport { + /** + * Transmit and receive data + * @param data data to transmit + * @return received data + * @throws IOException + */ + byte[] transceive(byte[] data) throws IOException; + + /** + * Disconnect and release connection + */ + void release(); + + /** + * Check if device is was connected to and still is connected + * @return connection status + */ + boolean isConnected(); + + /** + * Check if Transport supports persistent connections e.g connections which can + * handle multiple operations in one session + * @return true if transport supports persistent connections + */ + boolean isPersistentConnectionAllowed(); + + + /** + * Connect to device + * @throws IOException + */ + void connect() throws IOException; +} |