Spring Framework example source code file (SearchProductsAction.java)

This example Spring Framework source code file (SearchProductsAction.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

actionform, actionforward, baseaction, http, httpservletresponse, pagedlistholder, pagedlistholder, please, please, request, response, searchproductsaction, searchproductsaction_productlist, searchproductsaction_productlist, servlet, string, string, your

The Spring Framework SearchProductsAction.java source code

package org.springframework.samples.jpetstore.web.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import org.springframework.beans.support.PagedListHolder;
import org.springframework.util.StringUtils;

public class SearchProductsAction extends BaseAction {

  public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
		String keyword = request.getParameter("keyword");
		if (keyword != null) {
			if (!StringUtils.hasLength(keyword)) {
				request.setAttribute("message", "Please enter a keyword to search for, then press the search button.");
				return mapping.findForward("failure");
			}
			PagedListHolder productList = new PagedListHolder(getPetStore().searchProductList(keyword.toLowerCase()));
			productList.setPageSize(4);
			request.getSession().setAttribute("SearchProductsAction_productList", productList);
			request.setAttribute("productList", productList);
			return mapping.findForward("success");
		}
		else {
      String page = request.getParameter("page");
      PagedListHolder productList = (PagedListHolder) request.getSession().getAttribute("SearchProductsAction_productList");
			if (productList == null) {
				request.setAttribute("message", "Your session has timed out. Please start over again.");
				return mapping.findForward("failure");
			}
			if ("next".equals(page)) {
				productList.nextPage();
			}
			else if ("previous".equals(page)) {
				productList.previousPage();
			}
			request.setAttribute("productList", productList);
			return mapping.findForward("success");
    }
  }

}