/* * Copyright 2018 Daniel Underhay & Matthew Daley. * * This file is part of Walrus. * * Walrus 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. * * Walrus 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 Walrus. If not, see <http://www.gnu.org/licenses/>. */ package com.bugfuzz.android.projectwalrus.device; import android.content.Context; import android.hardware.usb.UsbDevice; import android.hardware.usb.UsbDeviceConnection; import android.hardware.usb.UsbManager; import com.bugfuzz.android.projectwalrus.R; import java.io.IOException; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; public abstract class UsbCardDevice extends CardDevice { private final UsbDevice usbDevice; UsbDeviceConnection usbDeviceConnection; UsbCardDevice(Context context, UsbDevice usbDevice, String status) throws IOException { super(context, status); this.usbDevice = usbDevice; UsbManager usbManager = (UsbManager) context.getSystemService(Context.USB_SERVICE); if (usbManager == null) { throw new IOException(context.getString(R.string.failed_open_usb_connection)); } usbDeviceConnection = usbManager.openDevice(usbDevice); if (usbDeviceConnection == null) { throw new IOException(context.getString(R.string.failed_open_usb_connection)); } } public UsbDevice getUsbDevice() { return usbDevice; } @Override public void close() { usbDeviceConnection.close(); usbDeviceConnection = null; super.close(); } @Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) public @interface UsbIds { Ids[] value(); @Target({}) @Retention(RetentionPolicy.RUNTIME) @interface Ids { int vendorId(); int productId(); } } }