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Diffstat (limited to 'core/java/android/bluetooth/BluetoothOutputStream.java')
-rw-r--r-- | core/java/android/bluetooth/BluetoothOutputStream.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/core/java/android/bluetooth/BluetoothOutputStream.java b/core/java/android/bluetooth/BluetoothOutputStream.java new file mode 100644 index 0000000..7e2ead4 --- /dev/null +++ b/core/java/android/bluetooth/BluetoothOutputStream.java @@ -0,0 +1,87 @@ +/* + * 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 java.io.IOException; +import java.io.OutputStream; + +/** + * BluetoothOutputStream. + * + * Used to read from a Bluetooth socket. + * + * @hide + */ +/*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.writeNative(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.writeNative(b, offset, count); + } +} |