Implemented NFC Card Reader Code from https://git.sterul.com/student-projects/dhbw...

[DHBWCampusApp.git] / app / src / main / java / de / dhbwloe / campusapp / nfcreader / cardreader / Readers.java

diff --git a/app/src/main/java/de/dhbwloe/campusapp/nfcreader/cardreader/Readers.java b/app/src/main/java/de/dhbwloe/campusapp/nfcreader/cardreader/Readers.java
deleted file mode 100644 (file)
index 9bb2a35..0000000
--- a/app/src/main/java/de/dhbwloe/campusapp/nfcreader/cardreader/Readers.java
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Readers.java
- *
- * Copyright (C) 2014 Jakob Wenzel
- *
- * Authors:
- * Jakob Wenzel <jakobwenzel92@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 de.dhbwloe.campusapp.nfcreader.cardreader;
-
-import android.nfc.Tag;
-import android.nfc.tech.IsoDep;
-import android.util.Log;
-
-import com.codebutler.farebot.card.desfire.DesfireException;
-import com.codebutler.farebot.card.desfire.DesfireProtocol;
-
-import java.io.IOException;
-
-public class Readers implements ICardReader {
-       private static final String TAG = Readers.class.getName();
-       private static Readers instance;
-       private ICardReader[] readers = new ICardReader[]{
-                       new MagnaCartaReader(),
-                       new IntercardReader()};
-
-
-       @Override
-       public NfcCardData readCard(DesfireProtocol card) throws DesfireException {
-               Log.i(TAG, "Trying all readers");
-               for (ICardReader reader : readers) {
-                       Log.i(TAG, "Trying " + reader.getClass().getSimpleName());
-                       NfcCardData val = reader.readCard(card);
-                       if (val!=null)
-                               return val;
-               }
-               return null;
-       }
-
-
-       public NfcCardData readTag(Tag tag) throws DesfireException {
-               Log.i(TAG, "Loading tag");
-               IsoDep tech = IsoDep.get(tag);
-
-               try {
-                       tech.connect();
-               } catch (IOException e) {
-                       //Tag was removed. We fail silently.
-                       e.printStackTrace();
-                       return null;
-               }
-
-               try {
-                       DesfireProtocol desfireTag = new DesfireProtocol(tech);
-
-
-                       //Android has a Bug on Devices using a Broadcom NFC chip. See
-                       // http://code.google.com/p/android/issues/detail?id=58773
-                       //A Workaround is to connected to the tag, issue a dummy operation and then reconnect...
-                       try {
-                               desfireTag.selectApp(0);
-                       }catch (ArrayIndexOutOfBoundsException e) {
-                               //Exception occurs because the actual response is shorter than the error response
-                               Log.i(TAG, "Broadcom workaround was needed");
-                       }
-
-                       tech.close();
-                       tech.connect();
-
-                       NfcCardData val = Readers.getInstance().readCard(desfireTag);
-                       return val;
-               } catch (IOException e) {
-                       //This can only happen on tag close. we ignore this.
-                       e.printStackTrace();
-                       return null;
-               } finally {
-                       if (tech.isConnected())
-                               try {
-                                       tech.close();
-                               } catch (IOException e) {
-                                       e.printStackTrace();
-                               }
-               }
-
-       }
-
-       public static Readers getInstance() {
-               if (instance == null)
-                       instance = new Readers();
-               return instance;
-       }
-}