1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/buildeventstream/transports/BinaryFormatFileTransport.java b/src/main/java/com/google/devtools/build/lib/buildeventstream/transports/BinaryFormatFileTransport.java
new file mode 100644
index 0000000000..c0f341e2eb
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/buildeventstream/transports/BinaryFormatFileTransport.java
@@ -0,0 +1,47 @@
+// Copyright 2016 The Bazel Authors. All rights reserved.
+//
+// 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 com.google.devtools.build.lib.buildeventstream.transports;
+
+import com.google.devtools.build.lib.buildeventstream.BuildEvent;
+import com.google.devtools.build.lib.buildeventstream.BuildEventTransport;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * A simple {@link BuildEventTransport} that writes varint delimited binary representation of event
+ * {@link BuildEvent} protocol-buffers to a file. Files written by this Transport can be read by
+ * successive calls of {code BuildEvent.Builder#mergeDelimitedFrom(InputStream)} (or the static
+ * method {@code BuildEvent.parseDelimitedFrom(InputStream)}).
+ */
+public final class BinaryFormatFileTransport implements BuildEventTransport {
+  private final BufferedOutputStream out;
+
+  public BinaryFormatFileTransport(String path) throws IOException {
+    this.out = new BufferedOutputStream(new FileOutputStream(new File(path)));
+  }
+
+  @Override
+  public synchronized void sendBuildEvent(BuildEvent event) throws IOException {
+    event.asStreamProto().writeDelimitedTo(out);
+    out.flush();
+  }
+
+  @Override
+  public void close() throws IOException {
+    out.close();
+  }
+}