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1
4 package org.apache.tapestry.contrib.table.model.simple;
5
6
7 import java.io.IOException  ;
8 import java.util.StringTokenizer ;
9
10 import org.apache.tapestry.contrib.table.components.TableMessages;
11 import org.apache.tapestry.services.DataSqueezer;
12 import org.apache.tapestry.util.io.ISqueezeAdaptor;
13
14 public class SimpleTableStateAdaptor implements ISqueezeAdaptor {
15
16 private static final String PREFIX = "t";
17
18 public String squeeze(DataSqueezer squeezer, Object data)
19 throws IOException {
20 SimpleTableState objState = (SimpleTableState) data;
21
22 StringBuffer buf = new StringBuffer ();
23 buf.append(objState.getPagingState().getPageSize());
24 buf.append(":");
25 buf.append(objState.getPagingState().getCurrentPage());
26 buf.append(":");
27 String strSortColumn = objState.getSortingState().getSortColumn();
28 if (strSortColumn == null)
29 strSortColumn = "";
30 buf.append(strSortColumn);
31 buf.append(":");
32 buf.append(objState.getSortingState().getSortOrder() ? 'T' : 'F');
33
34 return buf.toString();
35 }
36
37 public Object unsqueeze(DataSqueezer squeezer, String string)
38 throws IOException {
39 StringTokenizer strTok = new StringTokenizer (string, ":");
40 if (strTok.countTokens() != 4)
41 throw new IOException (TableMessages.invalidTableStateFormat(string));
42 int nPageSize = Integer.parseInt(strTok.nextToken());
43 int nCurrentPage = Integer.parseInt(strTok.nextToken());
44 String strSortColumn = strTok.nextToken();
45 if (strSortColumn.equals(""))
46 strSortColumn = null;
47 boolean bSortOrder = strTok.nextToken().equals("T");
48
49 return new SimpleTableState(nPageSize, nCurrentPage, strSortColumn, bSortOrder);
50 }
51
52 public void register(DataSqueezer squeezer) {
53 squeezer.register(PREFIX, SimpleTableState.class, this);
54 }
55
56 }
57 |
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