[jboss-jira] [JBoss JIRA] Commented: (JBAS-1711) HTMLAdaptorServlet updateAttributes bug?

[Kenny MacLeod (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBAS-1711?page=comments#action_12372315 ] 
            
Kenny MacLeod commented on JBAS-1711:
-------------------------------------

18 months since last comment.  Can we add this back on the roadmap, please, it's a trivial fix.

> HTMLAdaptorServlet updateAttributes bug?
> ----------------------------------------
>
>                 Key: JBAS-1711
>                 URL: http://jira.jboss.com/jira/browse/JBAS-1711
>             Project: JBoss Application Server
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Management services
>    Affects Versions: JBossAS-3.2.7 Final,  JBossAS-4.0.2RC1, JBossAS-4.0.1 Final, JBossAS-4.0.1 SP1
>            Reporter: SourceForge User
>            Priority: Minor
>
> SourceForge Submitter: raja05 .
> UpdateAttributes method in HtmlAdaptorServlet has a
> section of code something like
>       while( paramNames.hasMoreElements() )
>       {
>          String param = (String) paramNames.nextElement();
>          if( param.equals("name") ||
> param.equals("action") )
>             continue;
>          String value = request.getParameter(param);
>          log.trace("name="+param+", value='"+value+"'");
>          // Ignore null values, these are empty
> write-only fields
>          if( value == null || value.length() == 0 )
>             continue;
>          attributes.put(param, value);
>       }
> The check for value == null || value.length() == 0 is
> kind of wrong for my case. 
> Im trying to use a XMBean that would store the values
> from the JMX-Console to a filestore that i have created
> using Properties.load(not the
> ObjectStreamPersistenceManager but something along the
> line that uses the Property.save to store the data in a
> name=value fashion).
> The problem im getting is that if i want to clear out
> any of the attributes that have been set already, the
> above code comes to the check of value.length() == 0
> and since its blank, just moves to the next request
> param. I would like to remove this check from there so
> that even though i blank out my value, i need that to
> get persisted. 
> Please let me know if you need a detailed explanation
> or if the above is not clear
> I just need the value.length() == 0 check removed but
> not sure if thats going to cause an issue somewhere else.
> Thanks a bunch
> Raja

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