[richfaces-issues] [JBoss JIRA] Created: (RF-9507) ClientValidatorRendererunit tests and implementation.

[Alexander Smirnov (JIRA)]

ClientValidatorRendererunit tests and implementation.
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                 Key: RF-9507
                 URL: https://jira.jboss.org/browse/RF-9507
             Project: RichFaces
          Issue Type: Task
      Security Level: Public (Everyone can see)
          Components: component-a4j-core
            Reporter: Alexander Smirnov
            Assignee: Alexander Smirnov
             Fix For: 4.0.0.Milestone4


ClientValidator renderer getScript method:

    * performs arguments check ( not null, behavior is instance of ClientValidatorBehavior.
    * get Converter instance from behavior by getConverter method, then use ClientScriptLookupService to find client-side JavaScript. Both ConverterNotFoundException and ScriptNotFoundException enforce AJAX callback rendering unless input component has no validators.
    * If Converter script found, get Collection of validators from behavior. If collection is empty, return null instead of script. Otherwise, loop through all validators to construct client-side validator function, using ClientScriptLookupService. Record number of validators that cannot be performed on client.
    * If there is no Converter script or at least one validator has no client-side version, add AJAX callback to client-side validator.
    * Find or Create UIValidatorScript in UIView.viewResources associated with "form" target. Create ScriptObject that will be used to build validator call. If UIValidatorScript already contains ScriptObject with same signature use its function name for page size optimization.  Problem: JSF 2.0 doesn't like components tree changes, and specification does not allow dynamic including of script libraries. At least, it seems not possible to change controls with client-side validation by AJAX. Solution: use the same way as queue component ( create UIValidatorScript in ViewHandler )
    * Return JavaScript code that calls function build by ScriptObject.

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