| /* |
| * Copyright (C) 2009 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.bluetooth; |
| |
| import android.annotation.SuppressLint; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * BluetoothOutputStream. |
| * |
| * Used to read from a Bluetooth socket. |
| * |
| * @hide |
| */ |
| @SuppressLint("AndroidFrameworkBluetoothPermission") |
| /*package*/ final class BluetoothOutputStream extends OutputStream { |
| private BluetoothSocket mSocket; |
| |
| /*package*/ BluetoothOutputStream(BluetoothSocket s) { |
| mSocket = s; |
| } |
| |
| /** |
| * Close this output stream and the socket associated with it. |
| */ |
| public void close() throws IOException { |
| mSocket.close(); |
| } |
| |
| /** |
| * Writes a single byte to this stream. Only the least significant byte of |
| * the integer {@code oneByte} is written to the stream. |
| * |
| * @param oneByte the byte to be written. |
| * @throws IOException if an error occurs while writing to this stream. |
| * @since Android 1.0 |
| */ |
| public void write(int oneByte) throws IOException { |
| byte[] b = new byte[1]; |
| b[0] = (byte) oneByte; |
| mSocket.write(b, 0, 1); |
| } |
| |
| /** |
| * Writes {@code count} bytes from the byte array {@code buffer} starting |
| * at position {@code offset} to this stream. |
| * |
| * @param b the buffer to be written. |
| * @param offset the start position in {@code buffer} from where to get bytes. |
| * @param count the number of bytes from {@code buffer} to write to this stream. |
| * @throws IOException if an error occurs while writing to this stream. |
| * @throws IndexOutOfBoundsException if {@code offset < 0} or {@code count < 0}, or if {@code |
| * offset + count} is bigger than the length of {@code buffer}. |
| * @since Android 1.0 |
| */ |
| public void write(byte[] b, int offset, int count) throws IOException { |
| if (b == null) { |
| throw new NullPointerException("buffer is null"); |
| } |
| if ((offset | count) < 0 || count > b.length - offset) { |
| throw new IndexOutOfBoundsException("invalid offset or length"); |
| } |
| mSocket.write(b, offset, count); |
| } |
| } |