1 files changed, 98 insertions, 0 deletions
diff --git a/core/java/android/bluetooth/BluetoothInputStream.java b/core/java/android/bluetooth/BluetoothInputStream.java
new file mode 100644
index 0000000..e6f501c
--- /dev/null
+++ b/core/java/android/bluetooth/BluetoothInputStream.java
@@ -0,0 +1,98 @@
+/*
+ * 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.InputStream;
+
+/**
+ * BluetoothInputStream.
+ *
+ * Used to write to a Bluetooth socket.
+ *
+ * @hide
+ */
+/*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.availableNative();
+    }
+
+    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.readNative(b, 0, 1);
+        if (ret == 1) {
+            return (int)b[0];
+        } 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.readNative(b, offset, length);
+    }
+}