[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-3535) don't add parameter to Url if value is null

[Dan Allen (JIRA)]

don't add parameter to Url if value is null
-------------------------------------------

                 Key: JBSEAM-3535
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3535
             Project: Seam
          Issue Type: Feature Request
          Components: JSF Controls
    Affects Versions: 2.1.0.CR1
            Reporter: Dan Allen
            Assignee: Dan Allen
             Fix For: 2.1.0.GA


When the value of a parameter declared inside of a Seam UI command control using <f:param> is null, then it should not be appended to the URL. Currently, it is appended with a blank value. The problem is that there is a difference between an empty string (blank value) and not being present. Additionally, by setting the value to null (or leaving off the value attribute), it provides a way to suppress a parameter from being added the URL.

Assuming the link was defined as follows:

<s:link view="/UserEdit.xhtml">
  <f:param name="userId"/>
</s:link>

The URL should be:

/UserEdit.seam

This might override a page parameter for instance.

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