Add HttpDataSource.getResponseCode to provide the status code associated with the most recent HTTP response.

PiperOrigin-RevId: 266218104

RELEASENOTES.md

@@ -46,6 +46,8 @@
   postroll ad ([#6314](https://github.com/google/ExoPlayer/issues/6314)).
 * Fix audio selection issue where languages are compared by bit rate
   ([#6335](https://github.com/google/ExoPlayer/issues/6335)).
+* Add `HttpDataSource.getResponseCode` to provide the status code associated
+  with the most recent HTTP response.
 
 ### 2.10.4 ###
 

extensions/cronet/src/main/java/com/google/android/exoplayer2/ext/cronet/CronetDataSource.java

@@ -392,6 +392,13 @@ public class CronetDataSource extends BaseDataSource implements HttpDataSource {
     requestProperties.clear();
   }
 
+  @Override
+  public int getResponseCode() {
+    return responseInfo == null || responseInfo.getHttpStatusCode() <= 0
+        ? -1
+        : responseInfo.getHttpStatusCode();
+  }
+
   @Override
   public Map<String, List<String>> getResponseHeaders() {
     return responseInfo == null ? Collections.emptyMap() : responseInfo.getAllHeaders();

extensions/okhttp/src/main/java/com/google/android/exoplayer2/ext/okhttp/OkHttpDataSource.java

@@ -172,6 +172,11 @@ public class OkHttpDataSource extends BaseDataSource implements HttpDataSource {
     return response == null ? null : Uri.parse(response.request().url().toString());
   }
 
+  @Override
+  public int getResponseCode() {
+    return response == null ? -1 : response.code();
+  }
+
   @Override
   public Map<String, List<String>> getResponseHeaders() {
     return response == null ? Collections.emptyMap() : response.headers().toMultimap();

library/core/src/main/java/com/google/android/exoplayer2/upstream/DefaultHttpDataSource.java

@@ -83,6 +83,7 @@ public class DefaultHttpDataSource extends BaseDataSource implements HttpDataSou
   @Nullable private HttpURLConnection connection;
   @Nullable private InputStream inputStream;
   private boolean opened;
+  private int responseCode;
 
   private long bytesToSkip;
   private long bytesToRead;
@@ -234,6 +235,11 @@ public class DefaultHttpDataSource extends BaseDataSource implements HttpDataSou
     return connection == null ? null : Uri.parse(connection.getURL().toString());
   }
 
+  @Override
+  public int getResponseCode() {
+    return connection == null || responseCode <= 0 ? -1 : responseCode;
+  }
+
   @Override
   public Map<String, List<String>> getResponseHeaders() {
     return connection == null ? Collections.emptyMap() : connection.getHeaderFields();
@@ -270,7 +276,6 @@ public class DefaultHttpDataSource extends BaseDataSource implements HttpDataSou
           dataSpec, HttpDataSourceException.TYPE_OPEN);
     }
 
-    int responseCode;
     String responseMessage;
     try {
       responseCode = connection.getResponseCode();

library/core/src/main/java/com/google/android/exoplayer2/upstream/HttpDataSource.java

@@ -357,6 +357,12 @@ public interface HttpDataSource extends DataSource {
    */
   void clearAllRequestProperties();
 
+  /**
+   * When the source is open, returns the HTTP response status code associated with the last {@link
+   * #open} call. Otherwise, returns a negative value.
+   */
+  int getResponseCode();
+
   @Override
   Map<String, List<String>> getResponseHeaders();
 }