@@ -38,6 +38,7 @@
 import java.net.HttpURLConnection;
 import java.net.ServerSocket;
 import java.net.URL;
+import java.net.URLConnection;
 import java.nio.channels.Channels;
 import java.nio.channels.ReadableByteChannel;
 import java.nio.file.Files;
@@ -316,6 +317,7 @@ protected static class DownloadableEmulatorRunner implements EmulatorRunner {
 private final String md5CheckSum;
 private final URL downloadUrl;
 private final String fileName;
+private String accessToken;
 private Process process;
 private static final Logger log = Logger.getLogger(DownloadableEmulatorRunner.class.getName());
 
@@ -328,6 +330,12 @@ public DownloadableEmulatorRunner(
 this.fileName = splitUrl[splitUrl.length - 1];
 }
 
+public DownloadableEmulatorRunner(
+List<String> commandText, URL downloadUrl, String md5CheckSum, String accessToken) {
+this(commandText, downloadUrl, md5CheckSum);
+this.accessToken = accessToken;
+}
+
 @Override
 public boolean isAvailable() {
 try {
@@ -420,7 +428,11 @@ private File downloadZipFile() throws IOException {
 if (log.isLoggable(Level.FINE)) {
 log.fine("Fetching emulator");
 }
-ReadableByteChannel rbc = Channels.newChannel(downloadUrl.openStream());
+URLConnection urlConnection = downloadUrl.openConnection();
+if (accessToken != null) {
+urlConnection.setRequestProperty("Authorization", "Bearer " + accessToken);
+}
+ReadableByteChannel rbc = Channels.newChannel(urlConnection.getInputStream());
 try (FileOutputStream fos = new FileOutputStream(zipFile)) {
 fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
 }

@@ -108,6 +108,7 @@ public void testEmulatorHelperDownloadWithRetries()
 String mockInputStream = "mockInputStream";
 String mockProtocol = "mockProtocol";
 String mockFile = "mockFile";
+String mockAccessToken = "mockAccessToken";
 String mockCommandText = "mockCommandText";
 
 MockURLStreamHandler mockURLStreamHandler = EasyMock.createMock(MockURLStreamHandler.class);
@@ -119,6 +120,7 @@ public void testEmulatorHelperDownloadWithRetries()
 EasyMock.expect(mockURLConnection.getInputStream())
 .andReturn(new ByteArrayInputStream(mockInputStream.getBytes()))
 .anyTimes();
+mockURLConnection.setRequestProperty("Authorization", "Bearer " + mockAccessToken);
 EasyMock.expect(mockURLStreamHandler.openConnection(EasyMock.anyObject(URL.class)))
 .andThrow(new EOFException())
 .times(1);
@@ -130,7 +132,7 @@ public void testEmulatorHelperDownloadWithRetries()
 URL url = new URL(mockProtocol, null, 0, mockFile, mockURLStreamHandler);
 BaseEmulatorHelper.DownloadableEmulatorRunner runner =
 new BaseEmulatorHelper.DownloadableEmulatorRunner(
-ImmutableList.of(mockCommandText), url, null);
+ImmutableList.of(mockCommandText), url, null, mockAccessToken);
 
 File cachedFile = new File(System.getProperty("java.io.tmpdir"), mockExternalForm);
 cachedFile.delete(); // Clear the cached version so we're always testing the download