1 files changed, 59 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/DummyDataSource.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/DummyDataSource.java
new file mode 100644
index 0000000000..585c37cc78
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/DummyDataSource.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2017 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 android.net.Uri;
+import androidx.annotation.Nullable;
+import java.io.IOException;
+
+/**
+ * A dummy DataSource which provides no data. {@link #open(DataSpec)} throws {@link IOException}.
+ */
+public final class DummyDataSource implements DataSource {
+
+  public static final DummyDataSource INSTANCE = new DummyDataSource();
+
+  /** A factory that produces {@link DummyDataSource}. */
+  public static final Factory FACTORY = DummyDataSource::new;
+
+  private DummyDataSource() {}
+
+  @Override
+  public void addTransferListener(TransferListener transferListener) {
+    // Do nothing.
+  }
+
+  @Override
+  public long open(DataSpec dataSpec) throws IOException {
+    throw new IOException("Dummy source");
+  }
+
+  @Override
+  public int read(byte[] buffer, int offset, int readLength) {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  @Nullable
+  public Uri getUri() {
+    return null;
+  }
+
+  @Override
+  public void close() {
+    // do nothing.
+  }
+}