diff options
Diffstat (limited to 'hosted-api/src')
-rw-r--r-- | hosted-api/src/main/java/ai/vespa/hosted/api/MultiPartStreamer.java | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/hosted-api/src/main/java/ai/vespa/hosted/api/MultiPartStreamer.java b/hosted-api/src/main/java/ai/vespa/hosted/api/MultiPartStreamer.java index f1cbc027e17..c47fc60e58b 100644 --- a/hosted-api/src/main/java/ai/vespa/hosted/api/MultiPartStreamer.java +++ b/hosted-api/src/main/java/ai/vespa/hosted/api/MultiPartStreamer.java @@ -15,6 +15,7 @@ import java.nio.file.Files; import java.nio.file.Path; import java.util.ArrayList; import java.util.Collections; +import java.util.Enumeration; import java.util.List; import java.util.UUID; import java.util.function.Supplier; @@ -89,10 +90,12 @@ public class MultiPartStreamer { /** Returns an input stream which is an aggregate of all current parts in this, plus an end marker. */ public InputStream data() { - InputStream aggregate = new SequenceInputStream(Collections.enumeration(Stream.concat(streams.stream().map(Supplier::get), - Stream.of(end())) - .collect(Collectors.toList()))); - + InputStream aggregate = new SequenceInputStream(new Enumeration<>() { + final int j = streams.size(); + int i = -1; + @Override public boolean hasMoreElements() { return i < j; } + @Override public InputStream nextElement() { return ++i < j ? streams.get(i).get() : end(); } + }); try { if (aggregate.skip(2) != 2)// This should never happen, as the first stream is a ByteArrayInputStream. throw new IllegalStateException("Failed skipping extraneous bytes."); |