Andrew Grande created NIFI-1923:
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Summary: AttributesToJson should support regex of Attributes List
Key: NIFI-1923
URL: https://issues.apache.org/jira/browse/NIFI-1923
Project: Apache NiFi
Issue Type: Improvement
Components: Extensions
Affects Versions: 0.6.1
Reporter: Andrew Grande
Today, the Attributes List supports _only_ a comma-separated list of attributes
to include in the output JSON. This is not flexible enough, the alternative is
to strip every other attribute and 'convert all', which requires more work and
may not be possible if some need to be preserved.
*Proposal:* Attributes List must be a regex which matches the attributes to be
included in the resulting JSON. E.g. I have lined up my data to include
attributes like below:
{code}
{
"delimited.header.column.2" : "Assignment",
"delimited.header.column.3" : "Organization Name",
"delimited.header.column.1" : "Registry",
"delimited.header.column.4" : "Organization Address"
}
{code}
The challenge is I have to list *delimited.header.column.1*..N explicitly,
every property name. I may not even know how many there will be for a more
dynamic flow.
As a user I should be able to say *delimited.header.column\.** or any
arbitrarily complex regex for a more dynamic conversion.
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