Simplify retrieveMediaFormatFromContentTypeHeader

Also check for nullity

Author: Stypox

app/src/androidTest/java/org/schabi/newpipe/util/StreamItemAdapterTest.kt

@@ -196,7 +196,7 @@ class StreamItemAdapterTest {
 
     @Test
     fun retrieveMediaFormatFromContentTypeHeader() {
-        val streams = getIncompleteAudioStreams(10)
+        val streams = getIncompleteAudioStreams(12)
         val wrapper = StreamInfoWrapper(streams, context)
         val retrieveMediaFormat = { stream: AudioStream, response: Response ->
             StreamInfoWrapper.retrieveMediaFormatFromContentTypeHeader(stream, wrapper, response)
@@ -209,18 +209,20 @@ class StreamItemAdapterTest {
         helper.assertInvalidResponse(getResponse(mapOf(Pair("Content-Type", "mp3"))), 3)
         helper.assertInvalidResponse(getResponse(mapOf(Pair("Content-Type", "audio/mpeg"))), 4)
         helper.assertInvalidResponse(getResponse(mapOf(Pair("Content-Type", "audio/aif"))), 5)
+        helper.assertInvalidResponse(getResponse(mapOf(Pair("Content-Type", "whatever"))), 6)
+        helper.assertInvalidResponse(getResponse(mapOf()), 7)
 
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/flac"))), 6, MediaFormat.FLAC
+            getResponse(mapOf(Pair("Content-Type", "audio/flac"))), 8, MediaFormat.FLAC
         )
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/wav"))), 7, MediaFormat.WAV
+            getResponse(mapOf(Pair("Content-Type", "audio/wav"))), 9, MediaFormat.WAV
         )
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/opus"))), 8, MediaFormat.OPUS
+            getResponse(mapOf(Pair("Content-Type", "audio/opus"))), 10, MediaFormat.OPUS
         )
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/aiff"))), 9, MediaFormat.AIFF
+            getResponse(mapOf(Pair("Content-Type", "audio/aiff"))), 11, MediaFormat.AIFF
         )
     }
 

app/src/main/java/org/schabi/newpipe/util/StreamItemAdapter.java

@@ -27,7 +27,6 @@
 import org.schabi.newpipe.extractor.utils.Utils;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
@@ -400,17 +399,21 @@ public static <X extends Stream> boolean retrieveMediaFormatFromContentTypeHeade
                 @NonNull final Response response) {
             // try to get the format by content type
             // some mime types are not unique for every format, those are omitted
-            final List<MediaFormat> formats = MediaFormat.getAllFromMimeType(
-                    response.getHeader("Content-Type"));
-            final List<MediaFormat> uniqueFormats = new ArrayList<>(formats.size());
-            for (int i = 0; i < formats.size(); i++) {
-                final MediaFormat format = formats.get(i);
-                if (uniqueFormats.stream().filter(f -> f.id == format.id).count() == 0) {
-                    uniqueFormats.add(format);
+            final String contentTypeHeader = response.getHeader("Content-Type");
+            if (contentTypeHeader == null) {
+                return false;
+            }
+
+            @Nullable MediaFormat foundFormat = null;
+            for (final MediaFormat format : MediaFormat.getAllFromMimeType(contentTypeHeader)) {
+                if (foundFormat == null) {
+                    foundFormat = format;
+                } else if (foundFormat.id != format.id) {
+                    return false;
                 }
             }
-            if (uniqueFormats.size() == 1) {
-                streamsWrapper.setFormat(stream, uniqueFormats.get(0));
+            if (foundFormat != null) {
+                streamsWrapper.setFormat(stream, foundFormat);
                 return true;
             }
             return false;