diff options
Diffstat (limited to 'smcc/src/main/java/at/gv/egiz/smcc/util/SmartCardIO.java')
-rw-r--r-- | smcc/src/main/java/at/gv/egiz/smcc/util/SmartCardIO.java | 358 |
1 files changed, 179 insertions, 179 deletions
diff --git a/smcc/src/main/java/at/gv/egiz/smcc/util/SmartCardIO.java b/smcc/src/main/java/at/gv/egiz/smcc/util/SmartCardIO.java index b1866894..14ee7549 100644 --- a/smcc/src/main/java/at/gv/egiz/smcc/util/SmartCardIO.java +++ b/smcc/src/main/java/at/gv/egiz/smcc/util/SmartCardIO.java @@ -14,191 +14,191 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -package at.gv.egiz.smcc.util;
-
+package at.gv.egiz.smcc.util; + import java.security.NoSuchAlgorithmException; -import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.smartcardio.Card;
-import javax.smartcardio.CardException;
-import javax.smartcardio.CardTerminal;
-import javax.smartcardio.CardTerminals;
-import javax.smartcardio.TerminalFactory;
-import javax.smartcardio.CardTerminals.State;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-/**
- *
- * @author mcentner
- */
-public class SmartCardIO {
-
- private static final int STATE_INITIALIZED = 1;
-
- private static final int STATE_TERMINAL_FACTORY = 2;
-
- private static final int STATE_TERMINALS = 3;
-
- private static Log log = LogFactory.getLog(SmartCardIO.class);
-
- final Map<CardTerminal, Card> terminalCard_ = new HashMap<CardTerminal, Card>();
-
- int state_ = STATE_INITIALIZED;
-
- TerminalFactory terminalFactory_ = null;
-
- CardTerminals cardTerminals_;
-
- private void updateTerminalFactory() {
+import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.smartcardio.Card; +import javax.smartcardio.CardException; +import javax.smartcardio.CardTerminal; +import javax.smartcardio.CardTerminals; +import javax.smartcardio.TerminalFactory; +import javax.smartcardio.CardTerminals.State; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * + * @author mcentner + */ +public class SmartCardIO { + + private static final int STATE_INITIALIZED = 1; + + private static final int STATE_TERMINAL_FACTORY = 2; + + private static final int STATE_TERMINALS = 3; + + private final Logger log = LoggerFactory.getLogger(SmartCardIO.class); + + final Map<CardTerminal, Card> terminalCard_ = new HashMap<CardTerminal, Card>(); + + int state_ = STATE_INITIALIZED; + + TerminalFactory terminalFactory_ = null; + + CardTerminals cardTerminals_; + + private void updateTerminalFactory() { TerminalFactory terminalFactory; try { terminalFactory = TerminalFactory.getInstance("PC/SC", null); } catch (NoSuchAlgorithmException e) { log.info("Failed to get TerminalFactory of type 'PC/SC'.", e); terminalFactory = TerminalFactory.getDefault(); - }
- log.debug("TerminalFactory : " + terminalFactory);
- if ("PC/SC".equals(terminalFactory.getType())) {
- terminalFactory_ = terminalFactory;
- }
- if(state_ < STATE_TERMINAL_FACTORY) {
- state_ = STATE_TERMINAL_FACTORY;
- }
- }
-
- public boolean isPCSCSupported() {
- if(state_ < STATE_TERMINAL_FACTORY) {
- updateTerminalFactory();
- }
- return terminalFactory_ != null;
- }
-
- private void updateCardTerminals() {
- if(terminalFactory_ != null) {
- cardTerminals_ = terminalFactory_.terminals();
- }
- log.debug("CardTerminals : " + cardTerminals_);
- if (state_ < STATE_TERMINALS) {
- state_ = STATE_TERMINALS;
- }
- }
-
- public CardTerminals getCardTerminals() {
- if(state_ < STATE_TERMINAL_FACTORY) {
- updateTerminalFactory();
- }
- if(state_ < STATE_TERMINALS) {
- updateCardTerminals();
- }
- return cardTerminals_;
- }
-
- public boolean isTerminalPresent() {
- CardTerminals cardTerminals = getCardTerminals();
- if (cardTerminals != null) {
- List<CardTerminal> terminals = null;
- try {
- terminals = cardTerminals.list(State.ALL);
-
- // logging
- if(log.isInfoEnabled()) {
- if (terminals == null || terminals.isEmpty()) {
- log.info("No card terminal found.");
- } else {
- StringBuffer msg = new StringBuffer();
- msg.append("Found " + terminals.size() + " card terminal(s):");
- for (CardTerminal terminal : terminals) {
- msg.append("\n " + terminal.getName());
- }
- log.info(msg.toString());
- }
- }
-
- return terminals != null && !terminals.isEmpty();
- } catch (CardException e) {
- log.info("Failed to list card terminals.", e);
- return false;
- }
- } else {
- return false;
- }
- }
-
- private Map<CardTerminal, Card> updateCards() {
-
- // clear card references if removed
- try {
- log.trace("terminals.list(State.CARD_REMOVAL)");
- for (CardTerminal terminal : cardTerminals_.list(CardTerminals.State.CARD_REMOVAL)) {
- Card card = terminalCard_.remove(terminal);
- log.trace("card removed : " + card);
- }
- } catch (CardException e) {
- log.debug(e);
- }
-
- // check inserted cards
- Map<CardTerminal, Card> newCards = new HashMap<CardTerminal, Card>();
- try {
- log.trace("terminals.list(State.CARD_INSERTION)");
- for (CardTerminal terminal : cardTerminals_.list(CardTerminals.State.CARD_INSERTION)) {
-
- Card card = null;
+ } + log.debug("TerminalFactory : {}.", terminalFactory); + if ("PC/SC".equals(terminalFactory.getType())) { + terminalFactory_ = terminalFactory; + } + if(state_ < STATE_TERMINAL_FACTORY) { + state_ = STATE_TERMINAL_FACTORY; + } + } + + public boolean isPCSCSupported() { + if(state_ < STATE_TERMINAL_FACTORY) { + updateTerminalFactory(); + } + return terminalFactory_ != null; + } + + private void updateCardTerminals() { + if(terminalFactory_ != null) { + cardTerminals_ = terminalFactory_.terminals(); + } + log.debug("CardTerminals : {}.", cardTerminals_); + if (state_ < STATE_TERMINALS) { + state_ = STATE_TERMINALS; + } + } + + public CardTerminals getCardTerminals() { + if(state_ < STATE_TERMINAL_FACTORY) { + updateTerminalFactory(); + } + if(state_ < STATE_TERMINALS) { + updateCardTerminals(); + } + return cardTerminals_; + } + + public boolean isTerminalPresent() { + CardTerminals cardTerminals = getCardTerminals(); + if (cardTerminals != null) { + List<CardTerminal> terminals = null; + try { + terminals = cardTerminals.list(State.ALL); + + // logging + if(log.isInfoEnabled()) { + if (terminals == null || terminals.isEmpty()) { + log.info("No card terminal found."); + } else { + StringBuffer msg = new StringBuffer(); + msg.append("Found " + terminals.size() + " card terminal(s):"); + for (CardTerminal terminal : terminals) { + msg.append("\n " + terminal.getName()); + } + log.info(msg.toString()); + } + } + + return terminals != null && !terminals.isEmpty(); + } catch (CardException e) { + log.info("Failed to list card terminals.", e); + return false; + } + } else { + return false; + } + } + + private Map<CardTerminal, Card> updateCards() { + + // clear card references if removed + try { + log.trace("terminals.list(State.CARD_REMOVAL)"); + for (CardTerminal terminal : cardTerminals_.list(CardTerminals.State.CARD_REMOVAL)) { + Card card = terminalCard_.remove(terminal); + log.trace("card removed : {}", card); + } + } catch (CardException e) { + log.debug("Failed to list terminals.", e); + } + + // check inserted cards + Map<CardTerminal, Card> newCards = new HashMap<CardTerminal, Card>(); + try { + log.trace("terminals.list(State.CARD_INSERTION)"); + for (CardTerminal terminal : cardTerminals_.list(CardTerminals.State.CARD_INSERTION)) { + + Card card = null; try { log.trace("Trying to connect to card."); - // try to connect to card
- card = terminal.connect("*");
- } catch (CardException e) {
- log.trace("Failed to connect to card.", e);
- }
-
- // have we seen this card before?
- if (terminalCard_.put(terminal, card) == null) {
- terminalCard_.put(terminal, card);
- newCards.put(terminal, card);
- log.trace("terminal '" + terminal + "' card inserted : " + card);
- }
- }
- } catch (CardException e) {
- log.debug(e);
- }
- return newCards;
-
- }
-
- public Map<CardTerminal, Card> getCards() {
- if(state_ < STATE_TERMINAL_FACTORY) {
- updateTerminalFactory();
- }
- if(state_ < STATE_TERMINALS) {
- updateCardTerminals();
- }
- updateCards();
- Map<CardTerminal, Card> terminalCard = new HashMap<CardTerminal, Card>();
- terminalCard.putAll(terminalCard_);
- return Collections.unmodifiableMap(terminalCard);
- }
-
- public Map<CardTerminal, Card> waitForInserted(int timeout) {
- if(state_ < STATE_TERMINAL_FACTORY) {
- updateTerminalFactory();
- }
- if(state_ < STATE_TERMINALS) {
- updateCardTerminals();
- }
- try {
- // just waiting for a short period of time to allow for abort
- cardTerminals_.waitForChange(timeout);
- } catch (CardException e) {
- log.debug("CardTerminals.waitForChange(" + timeout + ") failed.", e);
- }
- Map<CardTerminal, Card> newCards = new HashMap<CardTerminal, Card>();
- newCards.putAll(updateCards());
- return Collections.unmodifiableMap(newCards);
- }
-}
\ No newline at end of file + // try to connect to card + card = terminal.connect("*"); + } catch (CardException e) { + log.trace("Failed to connect to card.", e); + } + + // have we seen this card before? + if (terminalCard_.put(terminal, card) == null) { + terminalCard_.put(terminal, card); + newCards.put(terminal, card); + log.trace("terminal '{}' card inserted : {}", terminal, card); + } + } + } catch (CardException e) { + log.debug("Failed to list cards.", e); + } + return newCards; + + } + + public Map<CardTerminal, Card> getCards() { + if(state_ < STATE_TERMINAL_FACTORY) { + updateTerminalFactory(); + } + if(state_ < STATE_TERMINALS) { + updateCardTerminals(); + } + updateCards(); + Map<CardTerminal, Card> terminalCard = new HashMap<CardTerminal, Card>(); + terminalCard.putAll(terminalCard_); + return Collections.unmodifiableMap(terminalCard); + } + + public Map<CardTerminal, Card> waitForInserted(int timeout) { + if(state_ < STATE_TERMINAL_FACTORY) { + updateTerminalFactory(); + } + if(state_ < STATE_TERMINALS) { + updateCardTerminals(); + } + try { + // just waiting for a short period of time to allow for abort + cardTerminals_.waitForChange(timeout); + } catch (CardException e) { + log.debug("CardTerminals.waitForChange({}) failed.", timeout, e); + } + Map<CardTerminal, Card> newCards = new HashMap<CardTerminal, Card>(); + newCards.putAll(updateCards()); + return Collections.unmodifiableMap(newCards); + } +} |