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https://issues.apache.org/jira/browse/NIFI-7792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192261#comment-17192261
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Mark Payne commented on NIFI-7792:
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Hi [~Moosheimer]. There does exist in the nifi-utils method a StreamUtils class
that allows for copying from an InputStream to an OutputStream:
{code}StreamUtils.copy(in, out);{code}
If the intent is purely to create a FlowFile whose contents are those in an
InputStream, that method already exists on ProcessSession as well:
{code}
FlowFile importFrom(InputStream source, FlowFile destination);
{code}
> Support inputstream for session.write
> -------------------------------------
>
> Key: NIFI-7792
> URL: https://issues.apache.org/jira/browse/NIFI-7792
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Kay-Uwe Moosheimer
> Priority: Trivial
>
> When writing flowfile content with
> flowFile = *session.write*(flowFile, out -> \{...}
> only a byte array can be used.
> It would be an improvement if you could provide an InputStream too.
> So one would not have to do the copying oneself and insert possible errors.
> while ((length = in.read(buffer, 0, buffer.length)) != -1)
> { out.write(buffer, 0, length); }
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