nfsantos commented on code in PR #1716:
URL: https://github.com/apache/jackrabbit-oak/pull/1716#discussion_r1760850735


##########
oak-run-commons/src/main/java/org/apache/jackrabbit/oak/index/indexer/document/flatfile/pipelined/ConfigHelper.java:
##########
@@ -48,4 +53,18 @@ public static boolean getSystemPropertyAsBoolean(String 
name, boolean defaultVal
         LOG.info("Config {}={}", name, value);
         return value;
     }
+
+    /**
+     * white space at the start/end of the string or at the start/end of the 
parts delimited by separator are trimmed
+     */
+    public static List<String> getSystemPropertyAsStringList(String name, 
String defaultValue, char separator) {
+        String result = System.getProperty(name, defaultValue);
+        List<String> parts = splitString(result, separator);
+        LOG.info("Config {}={}", name, parts);
+        return parts;
+    }
+
+    private static List<String> splitString(String str, char separator) {

Review Comment:
   There are unit tests of `getSystemPropertyAsStringList`, which should be 
enough to cover this method as well.



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