/services/java/com/android/server/SerialService.java
https://github.com/aizuzi/platform_frameworks_base · Java · 63 lines · 38 code · 10 blank · 15 comment · 4 complexity · 7b910dec2fcf1afbd875c686246aa848 MD5 · raw file
- /*
- * Copyright (C) 2011 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 an
- * limitations under the License.
- */
- package com.android.server;
- import android.content.Context;
- import android.hardware.ISerialManager;
- import android.os.ParcelFileDescriptor;
- import java.io.File;
- import java.util.ArrayList;
- public class SerialService extends ISerialManager.Stub {
- private final Context mContext;
- private final String[] mSerialPorts;
- public SerialService(Context context) {
- mContext = context;
- mSerialPorts = context.getResources().getStringArray(
- com.android.internal.R.array.config_serialPorts);
- }
- public String[] getSerialPorts() {
- mContext.enforceCallingOrSelfPermission(android.Manifest.permission.SERIAL_PORT, null);
- ArrayList<String> ports = new ArrayList<String>();
- for (int i = 0; i < mSerialPorts.length; i++) {
- String path = mSerialPorts[i];
- if (new File(path).exists()) {
- ports.add(path);
- }
- }
- String[] result = new String[ports.size()];
- ports.toArray(result);
- return result;
- }
- public ParcelFileDescriptor openSerialPort(String path) {
- mContext.enforceCallingOrSelfPermission(android.Manifest.permission.SERIAL_PORT, null);
- for (int i = 0; i < mSerialPorts.length; i++) {
- if (mSerialPorts[i].equals(path)) {
- return native_open(path);
- }
- }
- throw new IllegalArgumentException("Invalid serial port " + path);
- }
- private native ParcelFileDescriptor native_open(String path);
- }