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https://issues.apache.org/jira/browse/NIFI-6145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Lukyanov reopened NIFI-6145:
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Sorry to return to this issue so late...
I believe the return values should be not the `this` object but the one
returned with closure
see any of similar methods of File object:
http://docs.groovy-lang.org/latest/html/groovy-jdk/java/io/File.html#withReader(groovy.lang.Closure)
the idea to support this kind of expressions:
{code:java}
def json = ff.withReader("UTF-8"){ new JsonSlurper.parse(it) }
{code}
> Make groovy File functions available for FlowFile to simplify scripting
> -----------------------------------------------------------------------
>
> Key: NIFI-6145
> URL: https://issues.apache.org/jira/browse/NIFI-6145
> Project: Apache NiFi
> Issue Type: New Feature
> Reporter: Dmitry Lukyanov
> Assignee: Matt Burgess
> Priority: Minor
> Fix For: 1.10.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> I'd like to add groovy File functions to a FlowFile class insige groovy
> script to make work with flowfie streams similar like we work with File in
> groovy.
> Object withInputStream(Closure closure)
> Create a new InputStream for this file and passes it into the closure.
> Object withOutputStream(Closure closure)
> Creates a new OutputStream for this file and passes it into the closure.
> Object withReader(String charset, Closure closure)
> Create a new BufferedReader for this file using the specified charset and
> then passes it into the closure, ensuring the reader is closed after the
> closure returns.
> Object withWriter(String charset, Closure closure)
> Creates a new BufferedWriter for this file, passes it to the closure, and
> ensures the stream is flushed and closed after the closure returns.
> etc...
> ----
> ready to contribute
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