[Liferay] Get preferences of another portlet | Get preferences of Portlet A in Portlet B

Hi,

Sometimes, we need to get preferences of a portlet into another portlet and take action appropriately.

Here is a snippet on how to do so. Suppose we have portlets A and B. We need preferences of A in B.
We can use dynamic query to get all the preferences of the portlet. From B we can use the code below. Replace myportletA with the correct porltetId.

	DynamicQuery query = DynamicQueryFactoryUtil.forClass(
	PortletPreferences.class).add(
	PropertyFactoryUtil.forName("portletId").like("%myportletA%"));
	List<Object> preferences = PortletPreferencesLocalServiceUtil.dynamicQuery(query);
	for (Object preferencesPart : preferences) {
	System.out.println("Prefs value is varA "+((PortletPreferences) preferencesPart).getPreferences());
	javax.portlet.PortletPreferences prefs = PortletPreferencesFactoryUtil.fromDefaultXML(((PortletPreferences) preferencesPart).getPreferences());
	System.out.println(prefs.getValue("varA", "0"));
	}

view raw GetPrefs.java hosted with ❤ by GitHub

We need to convert com.liferay.portal.model.PortletPreferences to javax.portlet.PortletPreferences to use getValue() or getValues() method.
Hope this helps someone.
Cheers!!!