Mike Lockwood | b01e8bf | 2011-08-29 20:11:07 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions an |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.hardware.ISerialManager; |
| 21 | import android.os.ParcelFileDescriptor; |
| 22 | |
| 23 | import java.io.File; |
| 24 | import java.util.ArrayList; |
| 25 | |
| 26 | public class SerialService extends ISerialManager.Stub { |
| 27 | |
| 28 | private final Context mContext; |
| 29 | private final String[] mSerialPorts; |
| 30 | |
| 31 | public SerialService(Context context) { |
| 32 | mContext = context; |
| 33 | mSerialPorts = context.getResources().getStringArray( |
| 34 | com.android.internal.R.array.config_serialPorts); |
| 35 | } |
| 36 | |
| 37 | public String[] getSerialPorts() { |
| 38 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.SERIAL_PORT, null); |
| 39 | |
| 40 | ArrayList<String> ports = new ArrayList<String>(); |
| 41 | for (int i = 0; i < mSerialPorts.length; i++) { |
| 42 | String path = mSerialPorts[i]; |
| 43 | if (new File(path).exists()) { |
| 44 | ports.add(path); |
| 45 | } |
| 46 | } |
| 47 | String[] result = new String[ports.size()]; |
| 48 | ports.toArray(result); |
| 49 | return result; |
| 50 | } |
| 51 | |
| 52 | public ParcelFileDescriptor openSerialPort(String path) { |
| 53 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.SERIAL_PORT, null); |
| 54 | return native_open(path); |
| 55 | } |
| 56 | |
| 57 | private native ParcelFileDescriptor native_open(String path); |
| 58 | } |