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    <p>We could fix the problem and correctly register our custom renderer.</p> <p>The problem was to find the correct properties for the intended renderer. Our tries were wrong, since I found out how to get the appropriate information. It's a bit of work and searching, but it finally did the trick.</p> <p>Just start your container in debug mode and add a breakpoint on class level into the derived class the custom renderer is based on (in my case com.icesoft.faces.renderkit.dom_html_basic.CheckboxRenderer). </p> <p>During container start-up this breakpoint will be reached and in the stacktrace you'll find a call of the method FacesConfigurator.configureRenderKits().</p> <p>This object contains an ArrayList of registered renderers. I searched the list for the renderer I'd have liked to overwrite and could find the informations I need to register my custom renderer. In my case this is the correct entry in faces-config.xml:</p> <pre><code>&lt;render-kit&gt; &lt;description&gt;The ICEsoft Renderers.&lt;/description&gt; &lt;render-kit-id&gt;ICEfacesRenderKit&lt;/render-kit-id&gt; &lt;render-kit-class&gt;com.icesoft.faces.renderkit.D2DRenderKit&lt;/render-kit-class&gt; &lt;renderer&gt; &lt;component-family&gt;javax.faces.SelectBoolean&lt;/component-family&gt; &lt;renderer-type&gt;com.icesoft.faces.Checkbox&lt;/renderer-type&gt; &lt;renderer-class&gt;com.myapp.web.util.CustomHtmlSelectBooleanCheckbox&lt;/renderer-class&gt; &lt;/renderer&gt; &lt;/render-kit&gt; </code></pre> <p>Now the getAsObject()-method in the converter is called by the custom renderer. Be sure to override the method correctly, in case you don't want a converter on every SelectBooleanCheckbox object:</p> <pre><code>public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException { Converter converter = ((ValueHolder) component).getConverter(); if (converter == null) { if(!(submittedValue instanceof String)) throw new ConverterException("Expecting submittedValue to be String"); else return Boolean.valueOf((String)submittedValue); } return converter.getAsObject(context, component, (String) submittedValue); } </code></pre> <p>Otherwise you'll get a NullPointerException.</p> <p>PS: There surely is a smarter way to achieve this information, but I am not smart enough. ;-)</p>
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    1. COI am running Mojarra 2.0.2 and cannot find `FacesConfigurator` from my classpath. Is this ICEFaces only class?
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