Each service provides a local interface to clients running in the same JVM as Liferay Portal. There are two ways to invoke a service API’s methods:

  • Spring injection: If your application uses Spring and has access to the portal context.

  • -ServiceUtil classes: These classes mask the complexity of service implementations. This is a good option if you’re not familiar with Spring.

Let’s invoke a service using its -ServiceUtil class. The following JSP code snippet demonstrates how to get a list of the most recent bloggers from an organization.

<%@ page import="com.liferay.portlet.blogs.service.BlogsStatsUserLocalServiceUtil" %>
<%@ page import="com.liferay.portlet.blogs.util.comparator.StatsUserLastPostDateComparator" %>
...
<%@
List statsUsers = BlogsStatsUserLocalServiceUtil.getOrganizationStatsUsers(
    organizationId, 0, max, new StatsUserLastPostDateComparator());
%>

This JSP code invokes the static method getOrganizationStatsUsers() from the -LocalServiceUtil class BlogsStatsUserLocalServiceUtil.

Next, find out how you can invoke Liferay’s service APIs remotely.

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