69 lines
1.9 KiB
Java
69 lines
1.9 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.securitytoken;
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import org.sufficientlysecure.keychain.securitytoken.SecurityTokenInfo.TokenType;
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import org.sufficientlysecure.keychain.securitytoken.SecurityTokenInfo.TransportType;
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import java.io.IOException;
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import androidx.annotation.Nullable;
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/**
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* Abstraction for transmitting APDU commands
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*/
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public interface Transport {
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/**
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* Transmit and receive data
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* @param data data to transmit
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* @return received data
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* @throws IOException
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*/
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ResponseApdu transceive(CommandApdu data) throws IOException;
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/**
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* Disconnect and release connection
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*/
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void release();
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/**
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* Check if device is was connected to and still is connected
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* @return connection status
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*/
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boolean isConnected();
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/**
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* Check if Transport supports persistent connections e.g connections which can
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* handle multiple operations in one session
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* @return true if transport supports persistent connections
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*/
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boolean isPersistentConnectionAllowed();
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/**
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* Connect to device
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* @throws IOException
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*/
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void connect() throws IOException;
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TransportType getTransportType();
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@Nullable
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TokenType getTokenTypeIfAvailable();
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}
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