app/src/main/java/de/dhbwloe/campusapp/nfcreader/cardreader/IntercardReader.java

   1 /*
   2  * IntercardReader.java
   3  *
   4  * Copyright (C) 2014 Jakob Wenzel
   5  *
   6  * Authors:
   7  * Jakob Wenzel <jakobwenzel92@gmail.com>
   8  *
   9  * This program is free software: you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation, either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 package de.dhbwloe.campusapp.nfcreader.cardreader;
  24
  25 import android.os.Bundle;
  26 import android.util.Log;
  27
  28 import com.codebutler.farebot.Utils;
  29 import com.codebutler.farebot.card.desfire.DesfireException;
  30 import com.codebutler.farebot.card.desfire.DesfireFileSettings;
  31 import com.codebutler.farebot.card.desfire.DesfireProtocol;
  32
  33 public class IntercardReader implements ICardReader {
  34         private static final String TAG = IntercardReader.class.getName();
  35
  36         @Override
  37         public NfcCardData readCard(DesfireProtocol card) throws DesfireException {
  38                 NfcCardData valuedata = new NfcCardData();
  39                 valuedata.setUniqueId(card.getManufacturingData().uid);
  40
  41                 try {
  42                         int[] appList = card.getAppList();
  43                         for(int i = 0; i < appList.length; i++) {
  44                                 for(int j = 0; j < 10; j++) {
  45                                         try {
  46                                                 DesfireFileSettings settings = Utils.selectAppFile(card, appList[i], j);
  47                                                 if(settings != null) {
  48                                                         Bundle bundle = new Bundle();
  49                                                         bundle.putString("type", settings.getFileTypeName());
  50                                                         boolean hasValue = false;
  51                                                         if (settings instanceof DesfireFileSettings.ValueDesfireFileSettings) {
  52                                                                 DesfireFileSettings.ValueDesfireFileSettings value = (DesfireFileSettings.ValueDesfireFileSettings) settings;
  53                                                                 bundle.putInt("value", value.value);
  54                                                                 hasValue = true;
  55                                                                 bundle.putByte("limited", value.limitedCreditEnabled);
  56                                                                 bundle.putInt("max", value.upperLimit);
  57                                                                 bundle.putInt("min", value.lowerLimit);
  58                                                         } else if (settings instanceof DesfireFileSettings.StandardDesfireFileSettings) {
  59                                                                 DesfireFileSettings.StandardDesfireFileSettings value = (DesfireFileSettings.StandardDesfireFileSettings) settings;
  60                                                                 bundle.putInt("size", value.fileSize);
  61                                                         } else if (settings instanceof DesfireFileSettings.RecordDesfireFileSettings) {
  62                                                                 DesfireFileSettings.RecordDesfireFileSettings value = (DesfireFileSettings.RecordDesfireFileSettings) settings;
  63                                                                 bundle.putInt("records", value.curRecords);
  64                                                                 bundle.putInt("size", value.recordSize);
  65                                                                 bundle.putInt("max", value.maxRecords);
  66                                                                 hasValue = true;
  67                                                         }
  68
  69                                                         try {
  70                                                                 bundle.putInt("data", card.readValue(j));
  71                                                                 hasValue = true;
  72
  73                                                         } catch (Exception e) {
  74                                                         }
  75                                                         try {
  76                                                                 byte[] bytes = card.readFile(j);
  77                                                                 bundle.putByteArray("file", bytes);
  78                                                                 hasValue = true;
  79                                                         } catch (Exception e) {
  80                                                         }
  81                                                         try {
  82                                                                 byte[] bytes = card.readRecord(j);
  83                                                                 bundle.putByteArray("record", bytes);
  84                                                                 hasValue = true;
  85                                                         } catch (Exception e) {
  86                                                         }
  87                                                         if(hasValue)
  88                                                                 valuedata.appendPlainData(appList[i], j, bundle);
  89                                                 }
  90                                         } catch (Exception e) {
  91                                                 break;
  92                                         }
  93                                 }
  94
  95                         }
  96                 } catch (Exception e) {
  97                 }
  98                 return valuedata;
  99         }
 100 }