Pass parameter to portlet from jspx page

Hello guys, i have one question about portlet. Curently i have 2 application, 1 weblogic portal application and 1 portlet producer application. Both project was successfully setup. I already put 1 portlet created in the portlet producer into 1 page in the weblogic portal application. The problem is, how can i pass parameter from weblogic portal page (which i call the portlet) to the portlet. Thank you

Hi,
worth checking the WebCenter forum as both products seem to belong there: WebCenter Portal
Frank

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Portlet event link to pass parameter between portlets

Ok list, I followed the documentation Adding Parameters and Events to Portlets
PDK Release 2 (9.0.2 and later) and tried to make a portlet that pass parameter to another portlet using event link. I created the supposed parameter in the page and made the correct association to the receiving parameter portlet. The case is: The parameter is not caught in the receiving parameter page.
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<%
String sImgPath = PropertiesReader.getProperty(PropertiesReader.KEY_IMAGES_PATH);
PortletRenderRequest portletRequest = (PortletRenderRequest)request.getAttribute(HttpCommonConstants.PORTLET_RENDER_REQUEST);
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// - Event "submit" with event parameters "funcionalidade"
String eventSubmit = EventUtils.eventName("submit");
String eventParamFuncionalidade = EventUtils.eventParameter("funcionalidade");
// Build up the list of parameters for the "submit" event
NameValuePair[] eventSubmitParams = new NameValuePair[2];
// Give the 'funcionalidade' event parameter the constant value 'chat'
eventSubmitParams[0] = new NameValuePair(eventParamFuncionalidade, "chat");
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eventSubmitParams[1] = new NameValuePair(eventSubmit, "");
%>
<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0">
<TR><TD><a href="<%=PortletRendererUtil.constructLink(portletRequest, portletRequest.getRenderContext().getEventURL(), eventSubmitParams, true, true)%>"><IMG SRC="<%= sImgPath + "menuButChat.gif" %>" BORDER="0"></a></TD><TR>
</TRABLE>
And this is my receiving parameter jsp code:
<%
String sFuncionalidade = "";
PortletRenderRequest portletRequest = (PortletRenderRequest)request.getAttribute(HttpCommonConstants.PORTLET_RENDER_REQUEST);
// Get the portlet definition - needed to get the public portlet parameters
PortletDefinition portlet = portletRequest.getPortletDefinition();
// Get the public portlet parameters
ParameterDefinition[] parameters = portlet.getInputParameters();
// Display all values for each of the public portlet parameters
for (int currParameter = 0; currParameter < parameters.length; currParameter++)
String name = parameters[currParameter].getName();
out.println(" name = " + name + " ");
// Get the parameter values
String[] values = portletRequest.getParameterValues(name);
// Display the parameter's values.
if ( values == null )
// Null array indicates no values for this parameter.
out.println(" values i null ");
else
out.println(" values nco i null ");
// Loop through each of the values and display non-null values on a separate line.
for ( int j = 0; (values != null) && (j < values.length); j++ )
sFuncionalidade = values[j];
out.println(" " + sFuncionalidade + " ");
%>
And this is my portlet definition in provider.xml:
<portlet class="oracle.portal.provider.v2.DefaultPortletDefinition">
<id>3</id>
<name>MenuColaboracao</name>
<title>Menu de Colaboragco</title>
<shortTitle>Menu de Colaboragco</shortTitle>
<description>Portlet de menu para funcionalidade de Comuicagco e Colaboragco.</description>
<timeout>10000</timeout>
<timeoutMessage>Portlet timed out</timeoutMessage>
<showEdit>false</showEdit>
<showEditDefault>false</showEditDefault>
<showPreview>false</showPreview>
<showDetails>false</showDetails>
<hasHelp>false</hasHelp>
<hasAbout>false</hasAbout>
<acceptContentType>text/html</acceptContentType>
<renderer class="oracle.portal.provider.v2.render.RenderManager">
<renderContainer>false</renderContainer>
<contentType>text/html</contentType>
<showPage>/menuColaboracao.jsp</showPage>
<pageParameterName>next_page</pageParameterName>
</renderer>
 <event class="oracle.portal.provider.v2.DefaultEventDefinition">
 <name>submit</name>
<description>Use this event to submit the form data to a page</description>
<parameter class="oracle.portal.provider.v2.DefaultParameterDefinition">
<name>funcionalidade</name>
<displayName>funcionalidade</displayName>
<description>Parbmetro que indica a funcionalidade a ser apresentada.</description>
</parameter>
</event>
</portlet>
<portlet class="oracle.portal.provider.v2.DefaultPortletDefinition">
<id>4</id>
<name>HomeController</name>
<title>Home Controller</title>
<shortTitle>Home Controller</shortTitle>
<description>Portlet que controla a exibigco do jsp correspondente a opgco de menu selecionada.</description>
<timeout>10000</timeout>
<timeoutMessage>Portlet timed out</timeoutMessage>
<showEdit>false</showEdit>
<showEditDefault>false</showEditDefault>
<showPreview>false</showPreview>
<showDetails>false</showDetails>
<hasHelp>false</hasHelp>
<hasAbout>false</hasAbout>
<acceptContentType>text/html</acceptContentType>
<renderer class="oracle.portal.provider.v2.render.RenderManager">
<renderContainer>false</renderContainer>
<contentType>text/html</contentType>
<showPage>/homeController.jsp</showPage>
<pageParameterName>next_page</pageParameterName>
</renderer>
 <inputParameter class="oracle.portal.provider.v2.DefaultParameterDefinition">
 <name>funcionalidade</name>
<displayName>funcionalidade</displayName>
<description>Parbmetro que indica a funcionalidade a ser apresentada.</description>
</inputParameter>
</portlet>
Where do I miss ???
Any help will be appreciated.
Regards,
Leandro.

Leandro,
Few things which you might want to cross check to see if we are
on the right track :
1. Page containing Parameter receiving portlet contains a
paga parameter mapped on to its public parameter.
As per your example, parameter receiving page should have a page
parameter with name - "funcionalidade" - and portlet's corresponding
parmeter should be mapped to this page parameter. This can be
done through "Parameters" tab in the Page Properties screen.
2. Page containing Parameter passing portlet contains proper event
mapping.
As per your example, we have an event called "submit". We should
be able to see "submit" event under "MenuColaboracao" portlet.
When this event is raised, select which page should receive the event
data. As soon as a page is selected, this page's public parameters
are displayed below. Beside that we must be able to see a choice box
which displays four choices one of which would be "Event Output".
Map this output to the event parameter.
Hope it helps.
-AMJAD.

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hi,
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Hi Frank,
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Edited by: Jai Om on Dec 18, 2012 2:38 PM

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Thanks
Syed Jabbar
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Information Technology Services
University of Windsor

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Message was edited by:
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We need to use portlet events for sending parameters across different pages.
Following documents can give you insight on this :
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2. http://portalstudio.oracle.com/pls/ops/docs/FOLDER/COMMUNITY/PDK/ARTICLES/DESIGNING.PAGES.USING.PDKJAVA.SAMPLE.EVENT.WEB.PROVIDER.HTML
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