Github user weiqingy commented on a diff in the pull request:
https://github.com/apache/spark/pull/17342#discussion_r107713074
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2767,3 +2767,24 @@ private[spark] class CircularBuffer(sizeInBytes: Int
= 10240) extends java.io.Ou
new String(nonCircularBuffer, StandardCharsets.UTF_8)
}
}
+
+
+/**
+ * Factory for URL stream handlers. It relies on 'protocol' to choose the
appropriate
+ * UrlStreamHandlerFactory to create URLStreamHandler. Adding new 'if'
branches in
+ * 'createURLStreamHandler' like 'hdfsHandler' to support more protocols.
+ */
+private[spark] class SparkUrlStreamHandlerFactory extends
URLStreamHandlerFactory {
+ private var hdfsHandler : URLStreamHandler = _
+
+ def createURLStreamHandler(protocol: String): URLStreamHandler = {
+ if (protocol.compareToIgnoreCase("hdfs") == 0) {
--- End diff --
@jerryshao I was thinking about using reflection to check whether the API
exists and if it exists then we have a whole solution. Maybe it's not worth.
I'll just support hdfs for now.
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