[jira] [Created] (JENA-420) UI Interface for Jena Fuseki

["Stephen Allen (JIRA)" <ji...@apache.org>]

Stephen Allen created JENA-420:
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             Summary: UI Interface for Jena Fuseki
                 Key: JENA-420
                 URL: https://issues.apache.org/jira/browse/JENA-420
             Project: Apache Jena
          Issue Type: New Feature
          Components: Fuseki
            Reporter: Stephen Allen


Fuseki could use an overhaul / rewrite of the web interface.  It would be great to design a nice web-based GUI interface for both querying/exploring the data and for managing Fuseki itself.

Tools and skills that may be required:
Java, HTML+CSS, Javascript, Velocity (templates used server-side in place of JSP)


A few ideas to get started:

1) Resource Explorer
This interface allows the user to select any resource from either a list of all triples in a graph, or from the results of a SPARQL query.  After selecting the resource, they can view all of the statements that reference the resource.

2) Improved Query Input
It would be great to enhance the query input form for both queries and updates.  Some features here that could be useful would be an IDE-like input box that performed syntax highlighting, automatic indentation, and easy commenting out of selected lines of text.  Additionally being able to pre-populate the input box with the user's commonly used prefixes would be great (stored in a cookie or some such).

3) Improved Query Results
Better display of query results (especially SELECT queries).  Already mentioned was a tie-in to the Resource Explorer, so a user can easily see the statements about some interesting resource in the results.  But it would also be great to layout and format the result table better.  Even display the results on the same page as the query input box using AJAX.  Or allow the table to be resorted after the query results have been returned.  Also display the total number of rows.

4) Query Management
View and manage currently running queries.  Display how long queries have been executing, and allow the user to cancel queries that may be taking too long.

5) Fuseki Management
There are many tasks here that would be great.  Expose JVM properties via JMX in a nice UI.  Things like CPU/Memory usage, disk space remaining, etc.   Allow initiation of back-up tasks.  Allow the user to download a snapshot of the repository.  Shut down the server.  Possibly add and remove datasets dynamically.

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