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Okay, that's no big deal, so here it is: /* As h:inputText component is represented by a HtmlInputText class, we would thus like to have a HtmlInputFile class which extends HtmlInputText and overrides the renderer type so that it generates a HTML input type="file" element instead. I am sure that the Sun JSF guys are also reading here, so here it is: Please work on that, it was already opaque in JSF 1.x and it should not be that more opaque in JSF 2.0!Īt any way, I finally figured it with little help of Jim Driscoll's blog and exploring the JSF 2.0 source code.įirst, let's look what we need: in the line of h:inputText component which renders a HTML input type="text" element, we would like to have a fictive h:inputFile component which renders a HTML input type="file" element. I however only had a little hard time in figuring the best way to create custom components with help of annotations, because it's nowhere explained in the Java EE 6 tutorial nor the JSR314 - JSF 2.0 Specification. You don't need to hassle with somewhat opaque XML configurations anymore. With the new JSF 2.0 annotations it's now more easy to create custom components yourself. Back to top Custom component and renderer The renderer of the custom file upload component relies on them in case of multipart/form-data requests. Put the three classes MultipartMap, MultipartFilter and MultipartRequest in the classpath. The FacesServlet namely doesn't have builtin facilities for this relies on the availablilty of the submitted input component values in the request parameter map. To prepare, you need to have a Filter which puts the parts of a multipart/form-data request into the request parameter map before the FacesServlet kicks in. When you're targeting a Servlet 3.0 compatible container such as Glassfish v3, then you could also just create a custom JSF file upload component yourself.
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But as of now (December 2009) Tomahawk appears not to be "JSF 2.0 ready" yet and has problems here and there when being used on a JSF 2.0 environment. Until now you could have used among others Tomahawk's t:inputFileUpload for that. However, because JSF 2.0 isn't initially designed to be primarily used on top of Servlet 3.0 and should be backwards compatible with Servlet 2.5, it lacks a standard file upload component. The new Servlet 3.0 specification made uploading files really easy.