carterkozak commented on a change in pull request #335: Import of
LogstashLayout as JsonTemplateLayout
URL: https://github.com/apache/logging-log4j2/pull/335#discussion_r405619866
##########
File path: log4j-api/src/main/java/org/apache/logging/log4j/util/Strings.java
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@@ -286,4 +295,23 @@ public static String join(final Iterator<?> iterator,
final char separator) {
return buf.toString();
}
+ /**
+ * Creates a new string repeating given {@code str} {@code count} times.
+ * @param str input string
+ * @param count the repetition count
+ * @return the new string
+ * @throws IllegalArgumentException if either {@code str} is null or
{@code count} is negative
+ */
+ public static String repeat(final String str, final int count) {
Review comment:
I think this is only used in test code, should we put it into a test util
instead of log4j-api main api? Otherwise it could use some optimziation around
edge cases, for example if count is zero we return empty string, one we return
the input `str`.
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