HBASE-24937 table.rb use LocalDateTime to replace Instant (#2351)

Signed-off-by: Pankaj Kumar<[email protected]>

Author: cuibo01

hbase-shell/src/main/ruby/hbase/table.rb

@@ -750,8 +750,9 @@ def parse_column_name(column)
       [spec.family, spec.qualifier]
     end
 
-    def toISO8601(millis)
-      return java.time.Instant.ofEpochMilli(millis).toString
+    def toLocalDateTime(millis)
+      instant = java.time.Instant.ofEpochMilli(millis)
+      return java.time.LocalDateTime.ofInstant(instant, java.time.ZoneId.systemDefault()).toString
     end
 
     # Make a String of the passed kv
@@ -762,7 +763,7 @@ def to_string(column, kv, maxlength = -1, converter_class = nil, converter = nil
             column.start_with?('info:merge')
           hri = org.apache.hadoop.hbase.client.RegionInfo.parseFromOrNull(kv.getValueArray,
             kv.getValueOffset, kv.getValueLength)
-          return format('timestamp=%s, value=%s', toISO8601(kv.getTimestamp),
+          return format('timestamp=%s, value=%s', toLocalDateTime(kv.getTimestamp),
             hri.nil? ? '' : hri.toString)
         end
         if column == 'info:serverstartcode'
@@ -773,14 +774,14 @@ def to_string(column, kv, maxlength = -1, converter_class = nil, converter = nil
             str_val = org.apache.hadoop.hbase.util.Bytes.toStringBinary(kv.getValueArray,
                                                                         kv.getValueOffset, kv.getValueLength)
           end
-          return format('timestamp=%s, value=%s', toISO8601(kv.getTimestamp), str_val)
+          return format('timestamp=%s, value=%s', toLocalDateTime(kv.getTimestamp), str_val)
         end
       end
 
       if org.apache.hadoop.hbase.CellUtil.isDelete(kv)
-        val = "timestamp=#{toISO8601(kv.getTimestamp)}, type=#{org.apache.hadoop.hbase.KeyValue::Type.codeToType(kv.getTypeByte)}"
+        val = "timestamp=#{toLocalDateTime(kv.getTimestamp)}, type=#{org.apache.hadoop.hbase.KeyValue::Type.codeToType(kv.getTypeByte)}"
       else
-        val = "timestamp=#{toISO8601(kv.getTimestamp)}, value=#{convert(column, kv, converter_class, converter)}"
+        val = "timestamp=#{toLocalDateTime(kv.getTimestamp)}, value=#{convert(column, kv, converter_class, converter)}"
       end
       maxlength != -1 ? val[0, maxlength] : val
     end