,ch14.9433  Page 482  Monday, February 14, 2005  12:55 PM

Example 14 33. Action that prepares an XML document

package com.oreilly.strutsckbk.ch14;

import java.util.Iterator;

import java.util.List;

import com.oroad.stxx.action.Action;

import javax.servlet.http.*;

import org.jdom.*;

import org.apache.struts.action.*;

public class UserListAction extends Action {

    public ActionForward execute(ActionMapping mapping,

                                 ActionForm form,

                                 HttpServletRequest request,

                                 HttpServletResponse response)

            throws Exception {

        List usersList = (List) getServlet().getServletContext( ).getAttribute("users");

        //create a new XML document for this Action with the root

        //element of "userList"

        Document document =

        new Document(new Element("userList"));

        //add some data to the XML document so that the Action

        //will produce XML in the form

        Element users = new Element("users");

        for (Iterator k=usersList.iterator(); k.hasNext( ); ) {

            Element user = new Element("user");

            Element name = new Element("name");

            User u = (User) k.next( );

            name.addContent(new Element("firstname").setText(u.getFirstName( )));

            name.addContent(new Element("lastname").setText(u.getLastName( )));

            user.addContent(name);

            user.addContent(new Element("email").setText(u.getEmail( )));

            // add the user

            users.addContent(user);

        }

        // add to the root element and save the document

        document.getRootElement( ).addContent(users);

        saveDocument(request, document);

        return mapping.findForward("success");

    }

}

482 | Chapter 14: Tiles and Other Presentation Approaches

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