this code eliminates the redundancy. Example 9-4 provides (Web server extensions)
this code eliminates the redundancy. Example 9-4 provides a very simple version of a base Action class that performs this type of behavior. Example 9-4. A base Action class import java.util.Collection; import java.util.LinkedList; import java.util.List; import java.util.Locale; import java.util.Iterator; import javax.servlet.http.*; import org.apache.struts.action.*; import com.oreilly.struts.storefront.framework.util.IConstants; import com.oreilly.struts.storefront.framework.exceptions.*; import com.oreilly.struts.storefront.framework.UserContainer; import com.oreilly.struts.storefront.service.IStorefrontService; /** * An abstract Action class that all Storefront Action classes can extend. */ abstract public class StorefrontBaseAction extends Action { /** * The default execute( ) method that all actions mustimplement. */ public ActionForward execute( ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response ) throws Exception{ // It just calls a worker method that contains the realexecute logic return executeAction( mapping,form,request,response,getUserContainer( request)); } /** * The actual do work method that must be overridden by thesubclasses. */ abstract public ActionForward executeAction( ActionMapping mapping, ActionForm form, HttpServletRequest request,
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