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Posted to issues@camel.apache.org by "Brice Frisco (Jira)" <ji...@apache.org> on 2023/03/14 21:53:00 UTC

[jira] [Commented] (CAMEL-19143) Bindy - Add option to quote field only when necessary

    [ https://issues.apache.org/jira/browse/CAMEL-19143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17700393#comment-17700393 ] 

Brice Frisco commented on CAMEL-19143:
--------------------------------------

Expanding on this, according to RFC 4180 2.6:
{noformat}
https://www.ietf.org/rfc/rfc4180.txt

6.  Fields containing line breaks (CRLF), double quotes, and commas
       should be enclosed in double-quotes.  For example:
       "aaa","b CRLF
       bb","ccc" CRLF
       zzz,yyy,xxx{noformat}
 

So, this option would enable quoting a field *if and only if* that field:
 * contains the configured `crlf` character OR
 * contains the configured `quote` character OR
 * contains the configured `separator` character

 

> Bindy - Add option to quote field only when necessary
> -----------------------------------------------------
>
>                 Key: CAMEL-19143
>                 URL: https://issues.apache.org/jira/browse/CAMEL-19143
>             Project: Camel
>          Issue Type: New Feature
>          Components: camel-bindy
>    Affects Versions: 3.20.1
>            Reporter: Brice Frisco
>            Priority: Minor
>         Attachments: image-2023-03-13-15-14-28-952.png
>
>
> Given a POJO such as:
> {code:java}
> @CsvRecord(generateHeaderColumns = true, separator = ",")
> public class SomeOutput {
>     @DataField(columnName = "hello", pos = 1)
>     private String hello = "Hello,";
>     @DataField(columnName = "world", pos = 2)
>     private String world = "World!";
>     // getters and setters
> }{code}
> And a route such as:
> {code:java}
> from("timer://test?repeatCount=1")
>     .setBody(constant(new SampleOutput()))
>     .marshal(CSV_FORMAT)
>     .log("${body}"); {code}
> Bindy produces this output:
> {code:java}
> hello,world
> Hello,,World! {code}
> Which looks like the following in CSV format:
> !image-2023-03-13-15-14-28-952.png!
>  
> Fields which contain the chosen separator are not automatically escaped or quoted. One workaround to this is to add `quoting=true` to the `CsvRecord`, which will quote all fields.
> I think it would be nice if an option existed that would quote fields only when it is necessary, which can reduce the file size. This method of dynamic quoting is the way it is handled by default in Excel on Windows systems.



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