[NIFI-5403] Make configurable the buffer size of the Hex content view

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Core UI
• Assignee: Unassigned
• Reporter: Pierre Villard
• Created: 10/Jul/18 11:28
• Updated: 10/Jul/18 11:28

Description

The amount of data that can be displayed in the content view when using the Hexadecimal viewer is hardcoded to 1.5KB:

https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-content-viewer/src/main/java/org/apache/nifi/web/ContentViewerController.java#L56

https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-content-viewer/src/main/java/org/apache/nifi/web/ContentViewerController.java#L195

There are situations where it could be useful to have more data. I suggest we make this buffer size configurable.