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https://issues.apache.org/jira/browse/NIFI-4621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710908#comment-16710908
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ASF GitHub Bot commented on NIFI-4621:
--------------------------------------
Github user ijokarumawak commented on a diff in the pull request:
https://github.com/apache/nifi/pull/3201#discussion_r239307533
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ListFTP.java
---
@@ -35,17 +36,21 @@
import org.apache.nifi.components.ValidationResult;
import org.apache.nifi.components.state.Scope;
import org.apache.nifi.context.PropertyContext;
+import org.apache.nifi.expression.ExpressionLanguageScope;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.util.list.ListedEntityTracker;
import org.apache.nifi.processors.standard.util.FileTransfer;
import org.apache.nifi.processors.standard.util.FTPTransfer;
@PrimaryNodeOnly
@TriggerSerially
-@InputRequirement(Requirement.INPUT_FORBIDDEN)
+@InputRequirement(Requirement.INPUT_ALLOWED)
@Tags({"list", "ftp", "remote", "ingest", "source", "input", "files"})
@CapabilityDescription("Performs a listing of the files residing on an FTP
server. For each file that is found on the remote server, a new FlowFile will
be created with the filename attribute "
+ "set to the name of the file on the remote server. This can then be
used in conjunction with FetchFTP in order to fetch those files.")
+@DynamicProperty(name = "Relationship Name", value = "Attribute Expression
Language",
+ expressionLanguageScope =
ExpressionLanguageScope.FLOWFILE_ATTRIBUTES, description = "Routes FlowFiles
whose attributes match the "
+ + "Attribute Expression Language specified in the Dynamic Property
Value to the Relationship specified in the Dynamic Property Key")
--- End diff --
What's this used for?
> Allow inputs to ListSFTP and ListFTP
> ------------------------------------
>
> Key: NIFI-4621
> URL: https://issues.apache.org/jira/browse/NIFI-4621
> Project: Apache NiFi
> Issue Type: Improvement
> Affects Versions: 1.4.0
> Reporter: Soumya Shanta Ghosh
> Assignee: Peter Wicks
> Priority: Critical
>
> ListSFTP supports listing of the supplied directory (Remote Path)
> out-of-the-box on the supplied "Hostname" using the 'Username" and 'Password"
> / "Private Key Passphrase".
> The password can change at a regular interval (depending on organization
> policy) or the Hostname or the Remote Path can change based on some other
> requirement.
> This is a case to allow ListSFTP to leverage the use of Nifi Expression
> language so that the values of Hostname, Password and/or Remote Path can be
> set based on the attributes of an incoming flow file.
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