SimplePresentation


1   /*
2       This file is part of the Tutorial chapter of "Getting Started with Enhydra".
3       It is not meant to be used in any other context.
4   */
5   
6   package simpleapp.presentation;
7   
8   import java.util.Date  ;
9   //import com.lutris.xml.xmlc.*;
10  import org.enhydra.xml.xmlc.*;
11  import com.lutris.appserver.server.httpPresentation.*;
12  import org.w3c.dom.html.*;
13  import org.w3c.dom.*;
14  
15  import simpleapp.spec.SimpleListOfDiscsFactory;
16  import simpleapp.spec.SimpleListOfDiscs;
17  
18  
19  public class SimplePresentation implements HttpPresentation {
20  
21  /*
22  String[][] discList =
23      { { "Felonious Monk Fish", "Deep Sea Blues", "Jazz", "Yes" },
24       { "Funky Urchin", "Lovely Spines", "Techno Pop", "Yes" },
25       { "Stinky Pups", "Shark Attack", "Hardcore", "No" } };
26  */   
27     
28             
29     
30  
31  
32      public void run(HttpPresentationComms comms)
33          throws HttpPresentationException {
34  
35          String  [][] discList;
36          try {
37            SimpleListOfDiscs sdl = SimpleListOfDiscsFactory.createSimpleListOfDiscs("simpleapp.business.SimpleListOfDiscsImpl");              
38            discList = sdl.getDiscList();
39          } catch (Exception   ex){
40                 System.out.println("Exception: "+ex);
41               
42                discList = new String  [1][4];
43                discList[0][0] = "SORRY, ";
44                discList[0][1] = "NO ";
45                discList[0][2] = "DISCS ";
46                discList[0][3] = "AVAILABLE!";
47                
48           }
49          
50          String   now = new Date  ().toString();
51          // SimpleHTML simple = new SimpleHTML();
52          SimpleHTML simple =(SimpleHTML)comms.xmlcFactory.create(SimpleHTML.class);
53  
54          simple.setTextTime(now);
55  
56          HTMLTableRowElement templateRow = simple.getElementTemplateRow();
57          HTMLElement artistCellTemplate = simple.getElementArtist();
58          HTMLElement titleCellTemplate = simple.getElementTitle();
59          HTMLElement genreCellTemplate = simple.getElementGenre();
60          HTMLElement likeThisDisc = simple.getElementLikeThisDisc();
61  
62          templateRow.removeAttribute("id");
63          artistCellTemplate.removeAttribute("id");
64          titleCellTemplate.removeAttribute("id");
65          genreCellTemplate.removeAttribute("id");
66          likeThisDisc.removeAttribute("id");
67  
68          Node discTable = templateRow.getParentNode();
69  
70          for(int numDiscs = 0; numDiscs < discList.length; numDiscs++) {
71              simple.setTextArtist(discList[numDiscs][0]);
72              simple.setTextTitle(discList[numDiscs][1]);
73              simple.setTextGenre(discList[numDiscs][2]);
74              simple.setTextLikeThisDisc(discList[numDiscs][3]);
75              discTable.appendChild(templateRow.cloneNode(true));
76          }
77  
78          discTable.removeChild(templateRow);
79  
80          comms.response.writeHTML(simple.toDocument());
81      }
82  
83  }
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