Break out SubscribeKafkaTopic function.

[R/project-using-kafka-in-R.git] / R / SubscribeKafkaTopic.R

diff --git a/R/SubscribeKafkaTopic.R b/R/SubscribeKafkaTopic.R
new file mode 100644 (file)
index 0000000..5e6976b
--- /dev/null
+++ b/R/SubscribeKafkaTopic.R
@@ -0,0 +1,12 @@
+SubscribeKafkaTopic <- function(consumer.base.uri, topic) {
+  response <- POST(url=paste(consumer.base.uri,
+                             "subscription", sep="/"),
+                   content_type("application/vnd.kafka.v2+json"),
+                   body = paste0('{"topics":["',
+                                 topic,
+                                 '"]}')
+  )
+  if(response$status_code == 204) {
+    return(response)
+  } else stop(response)
+}
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