1 files changed, 67 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/DataSink.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/DataSink.java
new file mode 100644
index 0000000000..c85ec8cfca
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/DataSink.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2016 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 org.mozilla.thirdparty.com.google.android.exoplayer2.upstream;
+
+import java.io.IOException;
+
+/**
+ * A component to which streams of data can be written.
+ */
+public interface DataSink {
+
+  /**
+   * A factory for {@link DataSink} instances.
+   */
+  interface Factory {
+
+    /**
+     * Creates a {@link DataSink} instance.
+     */
+    DataSink createDataSink();
+
+  }
+
+  /**
+   * Opens the sink to consume the specified data.
+   *
+   * <p>Note: If an {@link IOException} is thrown, callers must still call {@link #close()} to
+   * ensure that any partial effects of the invocation are cleaned up.
+   *
+   * @param dataSpec Defines the data to be consumed.
+   * @throws IOException If an error occurs opening the sink.
+   */
+  void open(DataSpec dataSpec) throws IOException;
+
+  /**
+   * Consumes the provided data.
+   *
+   * @param buffer The buffer from which data should be consumed.
+   * @param offset The offset of the data to consume in {@code buffer}.
+   * @param length The length of the data to consume, in bytes.
+   * @throws IOException If an error occurs writing to the sink.
+   */
+  void write(byte[] buffer, int offset, int length) throws IOException;
+
+  /**
+   * Closes the sink.
+   *
+   * <p>Note: This method must be called even if the corresponding call to {@link #open(DataSpec)}
+   * threw an {@link IOException}. See {@link #open(DataSpec)} for more details.
+   *
+   * @throws IOException If an error occurs closing the sink.
+   */
+  void close() throws IOException;
+}