Merge changes from topic "migrate-sc-bt" into sc-v2-dev-plus-aosp

* changes:
  Migrating BT files into packages/modules/Bluetooth
  Merge history of Bluetooth API from frameworks/base

1 files changed, 93 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothInputStream.java b/framework/java/android/bluetooth/BluetoothInputStream.java
new file mode 100644
index 0000000000..95f9229f04
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothInputStream.java
@@ -0,0 +1,93 @@
+/*
+ * 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.InputStream;
+
+/**
+ * BluetoothInputStream.
+ *
+ * Used to write to a Bluetooth socket.
+ *
+ * @hide
+ */
+@SuppressLint("AndroidFrameworkBluetoothPermission")
+/*package*/ final class BluetoothInputStream extends InputStream {
+    private BluetoothSocket mSocket;
+
+    /*package*/ BluetoothInputStream(BluetoothSocket s) {
+        mSocket = s;
+    }
+
+    /**
+     * Return number of bytes available before this stream will block.
+     */
+    public int available() throws IOException {
+        return mSocket.available();
+    }
+
+    public void close() throws IOException {
+        mSocket.close();
+    }
+
+    /**
+     * Reads a single byte from this stream and returns it as an integer in the
+     * range from 0 to 255. Returns -1 if the end of the stream has been
+     * reached. Blocks until one byte has been read, the end of the source
+     * stream is detected or an exception is thrown.
+     *
+     * @return the byte read or -1 if the end of stream has been reached.
+     * @throws IOException if the stream is closed or another IOException occurs.
+     * @since Android 1.5
+     */
+    public int read() throws IOException {
+        byte[] b = new byte[1];
+        int ret = mSocket.read(b, 0, 1);
+        if (ret == 1) {
+            return (int) b[0] & 0xff;
+        } else {
+            return -1;
+        }
+    }
+
+    /**
+     * Reads at most {@code length} bytes from this stream and stores them in
+     * the byte array {@code b} starting at {@code offset}.
+     *
+     * @param b the byte array in which to store the bytes read.
+     * @param offset the initial position in {@code buffer} to store the bytes read from this
+     * stream.
+     * @param length the maximum number of bytes to store in {@code b}.
+     * @return the number of bytes actually read or -1 if the end of the stream has been reached.
+     * @throws IndexOutOfBoundsException if {@code offset < 0} or {@code length < 0}, or if {@code
+     * offset + length} is greater than the length of {@code b}.
+     * @throws IOException if the stream is closed or another IOException occurs.
+     * @since Android 1.5
+     */
+    public int read(byte[] b, int offset, int length) throws IOException {
+        if (b == null) {
+            throw new NullPointerException("byte array is null");
+        }
+        if ((offset | length) < 0 || length > b.length - offset) {
+            throw new ArrayIndexOutOfBoundsException("invalid offset or length");
+        }
+        return mSocket.read(b, offset, length);
+    }
+}