Simple Example of PDK Servlet and PreferenceStore

I'm currently using Portal 10g, Release 2. Unfortunately, there are no newly updated PDK samples available for this version, but I've referenced the previous Portal examples and haven't been able to find a simple example that walks through the entire process of establishing/registering a store, storing preference data, and reading preference data from a PDK Servlet.
If anyone has examples that illustrate the following, it would be greatly appreciated:
1. How to create a File-based PreferenceStore for an PDK HttpServlet
2. How to associate a preference store with the Portlet (when using the PortletRequestRender.getProviderInstance().getPreferenceStore(), I get null)
3. How to store a preference value in the store
4. How to read a preference value in the store
Note: I have been able (with far too much code given a "development kit") to use the PDK to create a File-base PreferenceStore and store values. Unfortunately the read operations look for the .dat file in a path that consists of the path that I established in the store and appends it with a value of /df/. As a result, the preferences can't be read.
Thanks for any opinions/advice on this.
John

Hi John,
You could try looking up at any sample portlets on the Portal Integration website: http://www.oracle.com/technology/products/ias/portal/point.html
All the JPDK based portlets use file preference stores.
1. How to create a File-based PreferenceStore for an
PDK HttpServlet
2. How to associate a preference store with the
Portlet (when using the
PortletRequestRender.getProviderInstance().getPreferen
eStore(), I get null)You need to use the following code:
// Get access to the PortletRenderRequest
PortletRenderRequest pReq = (PortletRenderRequest)
request.getAttribute(HttpCommonConstants.PORTLET_RENDER_REQUEST);
// Get access to the user's preference store for this portlet
NameValuePersonalizationObject data = (NameValuePersonalizationObject)
PortletRendererUtil.getEditData(pReq);
// Get access to the Edit Defaults data which would be applciable to all users (who have not yet customized that attribute)
NameValuePersonalizationObject editData = (NameValuePersonalizationObject)
PortletRendererUtil.getEditDefaultData(pReq);
3. How to store a preference value in the store
4. How to read a preference value in the storeLook at the APIs for NameValuePersonalizationObject at http://www.oracle.com/technology/products/ias/portal/html/javadoc/apidoc/index.html
>
Note: I have been able (with far too much code given
a "development kit") to use the PDK to create a
File-base PreferenceStore and store values.
Unfortunately the read operations look for the .dat
file in a path that consists of the path that I
established in the store and appends it with a value
of /df/. As a result, the preferences can't be
read.
Thanks for any opinions/advice on this.
JohnI hope this helps ..
thanks,
Harsha

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