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Public render parameters not always available in render phase
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created by <a href="http://community.jboss.org/people/mauro.lopez">Mauro Lopez</a> in <i>JBoss Portal</i> - <a href="http://community.jboss.org/message/540886#540886">View the full discussion</a>
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<div class="jive-rendered-content"><p>"Hello":</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The following portlet example shows the value of the "renderParameter" PRP (public render parameter), and if the submit button is pressed, sets it to the value "Hello":</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">public class MyPortlet extends GenericPortlet {<br/></span></p><p><span style="font-family: courier new,courier;"><br/></span></p><p><span style="font-family: courier new,courier;">    private static final String RENDER_PARAMETER = "renderParameter";</span></p><p><span style="font-family: courier new,courier;"><br/></span></p><p><span style="font-family: courier new,courier;">    @Override<br/>    protected void doView(RenderRequest request, RenderResponse response) </span></p><p><span style="font-family: courier new,courier;">            throws PortletException, IOException {<br/>        response.setContentType("text/html");<br/>        <br/>        String actionURL = response.createActionURL().toString();<br/>        <br/>        PrintWriter out = response.getWriter();<br/>        <br/>        out.print("render parameter value is: " + request.getParameter(RENDER_PARAMETER));<br/>        out.print("<form method=POST action=" + actionURL + "><input type=submit value=Subir></form>");<br/>    }</span></p><p><span style="font-family: courier new,courier;"><br/></span></p><p><span style="font-family: courier new,courier;">    @Override<br/>    public void processAction(ActionRequest request, ActionResponse response) </span></p><p><span style="font-family: courier new,courier;">           throws PortletException, IOException {<br/>        response.setRenderParameter(RENDER_PARAMETER, "Hello");<br/>    }    <br/>    <br/>}</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;"><portlet><br/>    <portlet-name>MyPortlet</portlet-name><br/>    <portlet-class>test.MyPortlet</portlet-class><br/>    <expiration-cache>-0</expiration-cache><br/>    <supports><br/>        <mime-type>text/html</mime-type><br/>        <portlet-mode>VIEW</portlet-mode><br/>    </supports><br/>    <portlet-info>  <br/>        <title>MyPortlet</title><br/>    </portlet-info><br/>    <br/>    <supported-public-render-parameter>renderParameter</supported-public-render-parameter><br/></portlet><br/></span></p><p><span style="font-family: courier new,courier;"><br/></span></p><p><span style="font-family: courier new,courier;"><public-render-parameter><br/>    <identifier>renderParameter</identifier><br/><span>    <qname xmlns:x="</span><a class="jive-link-external-small" href="http://www.ideasoft.biz/public-render-parameters" target="_blank">http://www.ideasoft.biz/public-render-parameters</a><span>">x:renderParameter</qname></span><br/></public-render-parameter></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>After the button is pressed, the PRP is set, and (at least) the following actions will NOT UNSET it:</p><ol><li>maximizing/restoring the portlet window</li><li>playing with other portlets (of course, the other portlets do not use this particular PRP)</li><li>Navigate to other pages, and then return (e.g. clicking pages in the navigation bar)</li></ol><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This is, I think, the expected behaviour, since any PRP (as any other render parameter) should be available, once set, after any subsequent render phase.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Well, this was the situation with jboss portal 2.7.0, but in portal 2.7.2, when you play around with the pages in the navigation bar, the PRP is lost.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Is this a bug? Do you know how to get 2.7.2 behave like 2.7.0?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks!</p></div>
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