1 files changed, 150 insertions, 0 deletions
diff --git a/smcc/src/main/java/at/gv/egiz/smcc/util/SMCCHelper.java b/smcc/src/main/java/at/gv/egiz/smcc/util/SMCCHelper.java
new file mode 100644
index 00000000..3d1fd7c7
--- /dev/null
+++ b/smcc/src/main/java/at/gv/egiz/smcc/util/SMCCHelper.java
@@ -0,0 +1,150 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* 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 at.gv.egiz.smcc.util;
+
+import java.util.Locale;
+import java.util.Map;
+
+import javax.smartcardio.ATR;
+import javax.smartcardio.Card;
+import javax.smartcardio.CardTerminal;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import at.gv.egiz.smcc.CardNotSupportedException;
+import at.gv.egiz.smcc.SignatureCard;
+import at.gv.egiz.smcc.SignatureCardFactory;
+
+public class SMCCHelper {
+
+  public final static int NO_CARD = 0;
+  public final static int PC_SC_NOT_SUPPORTED = 1;
+  public final static int TERMINAL_NOT_PRESENT = 2;
+  public final static int CARD_NOT_SUPPORTED = 3;
+  public final static int CARD_FOUND = 4;
+
+  private final static Log log = LogFactory.getLog(SMCCHelper.class);
+
+  protected SmartCardIO smartCardIO = new SmartCardIO();
+  protected int resultCode = NO_CARD;
+  protected SignatureCard signatureCard = null;
+  protected static boolean useSWCard = false;
+
+  public SMCCHelper() {
+    update();
+  }
+
+  public void update() {
+    update(-1);
+  }
+
+  public void update(int sleep) {
+    SignatureCardFactory factory = SignatureCardFactory.getInstance();
+    if (useSWCard) {
+      try {
+        signatureCard = factory.createSignatureCard(null);
+        resultCode = CARD_FOUND;
+      } catch (CardNotSupportedException e) {
+        resultCode = CARD_NOT_SUPPORTED;
+        signatureCard = null;
+      }
+      return;
+    }
+    signatureCard = null;
+    resultCode = NO_CARD;
+    // find pcsc support
+    if (smartCardIO.isPCSCSupported()) {
+      // find supported card
+      if (smartCardIO.isTerminalPresent()) {
+        Map<CardTerminal, Card> newCards = null;
+        if (sleep > 0) {
+          smartCardIO.waitForInserted(sleep);
+
+        }
+        newCards = smartCardIO.getCards();
+        for (CardTerminal cardTerminal : newCards.keySet()) {
+          try {
+            Card c = newCards.get(cardTerminal);
+            if (c == null) {
+              throw new CardNotSupportedException();
+            }
+            signatureCard = factory.createSignatureCard(c);
+            ATR atr = newCards.get(cardTerminal).getATR();
+            log.trace("Found supported card (" + signatureCard.toString() + ") "
+                + "in terminal '" + cardTerminal.getName() + "', ATR = "
+                + toString(atr.getHistoricalBytes()) + ".");
+            resultCode = CARD_FOUND;
+            break;
+
+          } catch (CardNotSupportedException e) {
+            Card c = newCards.get(cardTerminal);
+            if (c != null) {
+              ATR atr = c.getATR();
+              log.info("Found unsupported card" + " in terminal '"
+                  + cardTerminal.getName() + "', ATR = "
+                  + toString(atr.getHistoricalBytes()) + ".");
+            } else {
+              log.info("Found unsupported card in terminal '"
+                  + cardTerminal.getName() + "' without ATR");
+            }
+            resultCode = CARD_NOT_SUPPORTED;
+          }
+        }
+      } else {
+        resultCode = TERMINAL_NOT_PRESENT;
+      }
+    } else {
+      resultCode = PC_SC_NOT_SUPPORTED;
+    }
+  }
+
+  public SignatureCard getSignatureCard(Locale locale) {
+    if (signatureCard != null) {
+      signatureCard.setLocale(locale);
+    }
+    return signatureCard;
+  }
+
+  public int getResultCode() {
+    return resultCode;
+  }
+
+  public static String toString(byte[] b) {
+    StringBuffer sb = new StringBuffer();
+    sb.append('[');
+    if (b != null && b.length > 0) {
+      sb.append(Integer.toHexString((b[0] & 240) >> 4));
+      sb.append(Integer.toHexString(b[0] & 15));
+      for (int i = 1; i < b.length; i++) {
+        sb.append((i % 32 == 0) ? '\n' : ':');
+        sb.append(Integer.toHexString((b[i] & 240) >> 4));
+        sb.append(Integer.toHexString(b[i] & 15));
+      }
+    }
+    sb.append(']');
+    return sb.toString();
+  }
+
+  public static boolean isUseSWCard() {
+    return useSWCard;
+  }
+
+  public static void setUseSWCard(boolean useSWCard) {
+    SMCCHelper.useSWCard = useSWCard;
+  }
+}