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Java > Open Source Codes > action > SavePaintingAction


1 package action;
2
3 import java.util.List JavaDoc;
4
5 import javax.servlet.http.HttpServletRequest JavaDoc;
6 import javax.servlet.http.HttpServletResponse JavaDoc;
7
8 import org.apache.struts.action.Action;
9 import org.apache.struts.action.ActionForm;
10 import org.apache.struts.action.ActionForward;
11 import org.apache.struts.action.ActionMapping;
12 import org.objectstyle.cayenne.access.DataContext;
13 import org.objectstyle.cayenne.conf.ServletUtil;
14 import org.objectstyle.cayenne.exp.Expression;
15 import org.objectstyle.cayenne.exp.ExpressionFactory;
16 import org.objectstyle.cayenne.query.SelectQuery;
17
18 import webtest.Artist;
19 import webtest.Painting;
20 import formbean.PaintingForm;
21
22 public class SavePaintingAction extends Action {
23
24     public ActionForward execute(
25         ActionMapping mapping,
26         ActionForm form,
27         HttpServletRequest JavaDoc request,
28         HttpServletResponse JavaDoc response)
29         throws Exception JavaDoc {
30
31         PaintingForm paintingForm = (PaintingForm) form;
32
33         DataContext ctxt =
34             ServletUtil.getSessionContext(request.getSession());
35
36         String JavaDoc anArtistName = paintingForm.getArtistName();
37
38         Expression qual = ExpressionFactory.matchExp("artistName", anArtistName);
39
40         SelectQuery query = new SelectQuery(Artist.class, qual);
41
42         List JavaDoc artists = ctxt.performQuery(query);
43         System.err.println("artists: " + artists);
44         Artist artist = (Artist) artists.get(0);
45
46         Painting aPainting = (Painting) ctxt.createAndRegisterNewObject(Painting.class);
47         aPainting.setPaintingTitle(paintingForm.getPaintingTitle());
48         aPainting.setEstimatedPrice(paintingForm.getEstimatedPrice());
49
50         artist.addToPaintingArray(aPainting);
51
52         // commit to the database
53 ctxt.commitChanges();
54
55         return (mapping.findForward("success"));
56     }
57 }
58
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