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https://issues.apache.org/jira/browse/GROOVY-7858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15533062#comment-15533062
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ASF GitHub Bot commented on GROOVY-7858:
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GitHub user MarcusJL opened a pull request:
https://github.com/apache/groovy/pull/433
Make json output configurable to not write entries with null values
Hi I would like to propose a simple solution for GROOVY-7858 / GROOVY-7780.
This is providing overriding methods with a boolean flag to skip writing
entries with null values for Closure Map and Expando.
If there are plans to have a more sophisticated solution e.g using some
more general configuration I would be glad to support on that.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/MarcusJL/groovy
make-JsonOutput-configurable-to-not-write-entries-with-null-values
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/groovy/pull/433.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #433
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commit 73884040543cf7831149da10374eeb0863d1900c
Author: Marcus Lagemann <[email protected]>
Date: 2016-09-27T12:33:14Z
Add flag for writing null values to JsonOutput.
commit 5e19e3d5c553cd8fba5f46154e67fc89452048ce
Author: Marcus Lagemann <[email protected]>
Date: 2016-09-27T12:38:27Z
Add toString method with flag for writing null values.
commit 3b9c50f0104138f265ab42fcfcd804cc4f443e06
Author: Marcus Lagemann <[email protected]>
Date: 2016-09-28T16:27:15Z
Add tests for flag writeNullValues.
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> Make JsonBuilder configurable to not write entries with null values
> -------------------------------------------------------------------
>
> Key: GROOVY-7858
> URL: https://issues.apache.org/jira/browse/GROOVY-7858
> Project: Groovy
> Issue Type: Improvement
> Components: JSON
> Affects Versions: 2.4.5
> Reporter: Marcus Lagemann
> Assignee: John Wagenleitner
> Priority: Trivial
>
> {{JsonBuilder}} (and underlying {{JsonOutput}} ) is writing entries with null
> values when serializing to Json String:
> {code:javascript}
> {"key1": "value",
> "key2": null}
> {code}
> There should be a flag or configuration value to change this behaviour and
> skip writing entries where the values are null.
> {code:javascript}
> {"key1": "value"}
> {code}
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