| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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 android.nfc; |
| |
| import android.nfc.tech.TagTechnology; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import java.io.IOException; |
| |
| //import android.util.Log; |
| |
| /** |
| * This class provides the primary API for managing all aspects Secure Element. |
| * Get an instance of this class by calling |
| * Context.getSystemService(Context.NFC_SERVICE). |
| * @hide |
| */ |
| public final class NfcSecureElement { |
| |
| private static final String TAG = "NfcSecureElement"; |
| |
| private INfcSecureElement mService; |
| |
| |
| /** |
| * @hide |
| */ |
| public NfcSecureElement(INfcSecureElement mSecureElementService) { |
| mService = mSecureElementService; |
| } |
| |
| public int openSecureElementConnection(String seType) throws IOException { |
| if (seType.equals("SmartMX")) { |
| try { |
| int handle = mService.openSecureElementConnection(); |
| // Handle potential errors |
| if (handle != 0) { |
| return handle; |
| } else { |
| throw new IOException("SmartMX connection not allowed"); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "RemoteException in openSecureElementConnection(): ", e); |
| return 0; |
| } |
| |
| } else if (seType.equals("UICC")) { |
| return 0; |
| } else { |
| throw new IOException("Wrong Secure Element type"); |
| } |
| } |
| |
| |
| public byte [] exchangeAPDU(int handle,byte [] data) throws IOException { |
| |
| |
| // Perform exchange APDU |
| try { |
| byte[] response = mService.exchangeAPDU(handle, data); |
| // Handle potential errors |
| if (response == null) { |
| throw new IOException("Exchange APDU failed"); |
| } |
| return response; |
| } catch (RemoteException e) { |
| Log.e(TAG, "RemoteException in exchangeAPDU(): ", e); |
| return null; |
| } |
| } |
| |
| public void closeSecureElementConnection(int handle) throws IOException { |
| |
| try { |
| int status = mService.closeSecureElementConnection(handle); |
| // Handle potential errors |
| if (ErrorCodes.isError(status)) { |
| throw new IOException("Error during the conection close"); |
| }; |
| } catch (RemoteException e) { |
| Log.e(TAG, "RemoteException in closeSecureElement(): ", e); |
| } |
| } |
| |
| |
| /** |
| * Returns target type. constants. |
| * |
| * @return Secure Element technology type. The possible values are defined in |
| * {@link TagTechnology} |
| * |
| */ |
| public int[] getSecureElementTechList(int handle) throws IOException { |
| try { |
| return mService.getSecureElementTechList(handle); |
| } catch (RemoteException e) { |
| Log.e(TAG, "RemoteException in getType(): ", e); |
| return null; |
| } |
| } |
| |
| /** |
| * Returns Secure Element UID. |
| * |
| * @return Secure Element UID. |
| */ |
| public byte[] getSecureElementUid(int handle) throws IOException { |
| |
| byte[] uid = null; |
| try { |
| uid = mService.getSecureElementUid(handle); |
| // Handle potential errors |
| if (uid == null) { |
| throw new IOException("Get Secure Element UID failed"); |
| } |
| return uid; |
| } catch (RemoteException e) { |
| Log.e(TAG, "RemoteException in getType(): ", e); |
| return null; |
| } |
| } |
| |
| } |