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81 lines (73 loc) · 2.89 KB
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/*
* Copyright 2010 sasc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sasc.terminal;
import sasc.smartcard.common.Context;
import sasc.util.BuildProperties;
import sasc.util.Log;
import sasc.util.Util;
/**
*
* @author sasc
*/
public class TerminalUtil {
public enum State{
CARD_PRESENT, CARD_INSERTED
}
public static CardConnection connect(State state) throws TerminalException {
CardConnection cardConnection = null;
Context.init();
TerminalProvider terminalProvider = TerminalAPIManager.getProvider(TerminalAPIManager.SelectionPolicy.ANY_PROVIDER);
Log.info(BuildProperties.getProperty("APP_NAME", "JER") + " built on " + BuildProperties.getProperty("BUILD_TIMESTAMP", "N/A"));
Log.info("Java " + System.getProperty("java.version") + " on " + System.getProperty("os.name"));
while (true) {
if (terminalProvider.listTerminals().isEmpty()) {
Log.info("No smart card readers found. Please attach readers(s)");
}
while (terminalProvider.listTerminals().isEmpty()) {
try {
Thread.sleep(500);
} catch (InterruptedException ex) {
Log.debug(ex.toString());
Thread.currentThread().interrupt();
throw new TerminalException(ex);
}
}
Log.info("Please insert a Smart Card into any attached reader.");
try {
switch(state){
case CARD_INSERTED:
cardConnection = terminalProvider.connectAnyTerminal(); //Waits for card inserted
break;
case CARD_PRESENT:
cardConnection = terminalProvider.connectAnyTerminalWithCardPresent("*");
break;
}
break; // Outer while
} catch (NoTerminalsAvailableException ntex) {
Log.debug(Util.getStackTrace(ntex));
//All Terminals were removed while waiting for card
//go back and try again
}
}
if(cardConnection == null) { //eg InterruptedException
return null;
}
Log.info("OK, card found");
Log.debug("ATR: " + Util.prettyPrintHexNoWrap(cardConnection.getATR()));
Log.info("Using terminal: " + cardConnection.getTerminal().getName());
return cardConnection;
}
}