[kafka] branch trunk updated: MINOR: Implement toString() in config validator classes (#5401)

[rsivaram]

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rsivaram pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/kafka.git


The following commit(s) were added to refs/heads/trunk by this push:
     new ac79d49  MINOR: Implement toString() in config validator classes 
(#5401)
ac79d49 is described below

commit ac79d4904797aad99b9481b4e34789402b259664
Author: Manikumar Reddy O <manikumar.re...@gmail.com>
AuthorDate: Thu Aug 2 15:44:21 2018 +0530

    MINOR: Implement toString() in config validator classes (#5401)
---
 .../src/main/java/org/apache/kafka/common/config/ConfigDef.java   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git 
a/clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 
b/clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java
index 12e467c..08ac125 100644
--- a/clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java
+++ b/clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java
@@ -950,6 +950,10 @@ public class ConfigDef {
                 throw new ConfigException(name, "null", "entry must be non 
null");
             }
         }
+
+        public String toString() {
+            return "non-null string";
+        }
     }
 
     public static class CompositeValidator implements Validator {
@@ -1019,6 +1023,10 @@ public class ConfigDef {
                 throw new ConfigException(name, value, "String may not contain 
control sequences but had the following ASCII chars: " + 
Utils.join(foundIllegalCharacters, ", "));
             }
         }
+
+        public String toString() {
+            return "non-empty string without ISO control characters";
+        }
     }
 
     public static class ConfigKey {