public MessageBundle getBundle(GadgetSpec spec, Locale locale, bool ignoreCache)
{
MessageBundle parent = getParentBundle(spec, locale, ignoreCache);
MessageBundle child = null;
LocaleSpec localeSpec = spec.getModulePrefs().getLocale(locale);
if (localeSpec == null)
{
return(parent ?? MessageBundle.EMPTY);
}
Uri messages = localeSpec.getMessages();
if (messages == null || messages.ToString().Length == 0)
{
child = localeSpec.getMessageBundle();
}
else
{
child = fetchBundle(localeSpec, ignoreCache);
}
return(new MessageBundle(parent, child));
}
protected MessageBundle fetchBundle(LocaleSpec locale, bool ignoreCache)
{
Uri url = locale.getMessages();
sRequest request = new sRequest(url).setIgnoreCache(ignoreCache);
// Since we don't allow any variance in cache time, we should just force the cache time
// globally. This ensures propagation to shared caches when this is set.
request.setCacheTtl((int)(refresh / 1000));
sResponse response = fetcher.fetch(request);
if (response.getHttpStatusCode() != (int)HttpStatusCode.OK)
{
throw new GadgetException(GadgetException.Code.FAILED_TO_RETRIEVE_CONTENT,
"Unable to retrieve message bundle xml. HTTP error " +
response.getHttpStatusCode());
}
MessageBundle bundle = new MessageBundle(locale, response.responseString);
return(bundle);
}
/** * Retrieve the MessageBundle for the given LocaleSpec from the network or cache. */ protected abstract MessageBundle fetchBundle(LocaleSpec locale, bool ignoreCache);
public RewriterResults rewrite(Gadget gadget, MutableContent mutableContent)
{
Document document = mutableContent.getDocument();
Element head = (Element)DomUtil.getFirstNamedChildNode(document.getDocumentElement(), "head");
// Remove all the elements currently in head and add them back after we inject content
NodeList children = head.getChildNodes();
List <Node> existingHeadContent = new List <Node>(children.getLength());
for (int i = 0; i < children.getLength(); i++)
{
existingHeadContent.Add(children.item(i));
}
foreach (Node n in existingHeadContent)
{
head.removeChild(n);
}
// Only inject default styles if no doctype was specified.
if (document.getDoctype() == null)
{
Element defaultStyle = document.createElement("style");
defaultStyle.setAttribute("type", "text/css");
head.appendChild(defaultStyle);
defaultStyle.appendChild(defaultStyle.getOwnerDocument().
createTextNode(DEFAULT_CSS));
}
InjectBaseTag(gadget, head);
InjectFeatureLibraries(gadget, head);
// This can be one script block.
Element mainScriptTag = document.createElement("script");
InjectMessageBundles(gadget, mainScriptTag);
InjectDefaultPrefs(gadget, mainScriptTag);
InjectPreloads(gadget, mainScriptTag);
// We need to inject our script before any developer scripts.
head.appendChild(mainScriptTag);
Element body = (Element)DomUtil.getFirstNamedChildNode(document.getDocumentElement(), "body");
LocaleSpec localeSpec = gadget.getLocale();
if (localeSpec != null)
{
body.setAttribute("dir", localeSpec.getLanguageDirection());
}
// re append head content
foreach (Node node in existingHeadContent)
{
head.appendChild(node);
}
InjectOnLoadHandlers(body);
mutableContent.documentChanged();
return(RewriterResults.notCacheable());
}
