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1 package org.ajaxanywhere.jsf;
2
3 import org.ajaxanywhere.PreSendHandler;
4 import org.ajaxanywhere.BufferResponseWrapper;
5 import org.ajaxanywhere.AAUtils;
6
7 import javax.servlet.http.HttpServletRequest  ;
8 import java.io.IOException ;
9
10 public class JSFRIClientStateSavingPreSendHandler implements
11 PreSendHandler {
12 private static final String VIEW_KEY = "<input type=\"hidden\" name=\"com.sun.faces.VIEW\" id=\"com.sun.faces.VIEW\" value=\"";
13 private static final int VIEW_KEY_LEN = VIEW_KEY.length();
14 private static final String ZONE_NAME = "stateSavingScript";
15
16 public BufferResponseWrapper handle(HttpServletRequest
17 request, BufferResponseWrapper responseWrapper) {
18
19 String content = responseWrapper.getBuffer();
20 String view = null;
21 int pos1 = content.indexOf(VIEW_KEY);
22 if (pos1 != -1) {
23 int pos2 = content.indexOf('"', pos1 + VIEW_KEY_LEN);
24 if (pos2 != -1)
25 view = content.substring(pos1 + VIEW_KEY_LEN, pos2);
26 }
27
28 try {
29
30 responseWrapper.output(AAUtils.getZoneStartDelimiter(ZONE_NAME) + "<script type=\"text/javascript\">\n" +
31 " var views = document.getElementsByName(\"com.sun.faces.VIEW\")\n" +
32 " if (views!=null)\n" +
33 " for (var i=0;i<views.length;i++)\n" +
34 " if (views[i].tagName.toLowerCase() == \"input\")\n" +
35 " views[i].value=\"" + view + "\";" +
36
37 "</script>" + AAUtils.getZoneEndDelimiter(ZONE_NAME));
38 AAUtils.addZonesToRefresh(request, ZONE_NAME);
39 } catch (IOException e) {
40 e.printStackTrace();
41 }
42
43 return responseWrapper;
44 }
45 }
46
47 |
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