/**
* Processes a JSON request.
*
* @param request Original JSON request
* @return The JSON response.
*/
public JsonObject Process(JsonObject request)
{
JsonObject response = new JsonObject();
JsonObject requestContext = request.getJSONObject("context");
JsonArray requestedGadgets = request["gadgets"] as JsonArray;
// Process all JSON first so that we don't wind up with hanging threads if
// a JsonException is thrown.
List <IAsyncResult> gadgets = new List <IAsyncResult>(requestedGadgets.Length);
for (int i = 0, j = requestedGadgets.Length; i < j; ++i)
{
var context = new JsonRpcGadgetContext(requestContext, (JsonObject)requestedGadgets[i]);
PreloadProcessor proc = new PreloadProcessor(CallJob);
IAsyncResult result = proc.BeginInvoke(context, null, null);
gadgets.Add(result);
}
foreach (var entry in gadgets)
{
try
{
AsyncResult result = (AsyncResult)entry;
PreloadProcessor proc = (PreloadProcessor)result.AsyncDelegate;
JsonObject gadget = proc.EndInvoke(result);
response.Accumulate("gadgets", gadget);
}
catch (JsonException e)
{
throw new RpcException("Unable to write JSON", e);
}
catch (Exception ee)
{
if (!(ee is RpcException))
{
throw new RpcException("Processing interrupted", ee);
}
RpcException e = (RpcException)ee;
// Just one gadget failed; mark it as such.
try
{
GadgetContext context = e.Context;
JsonObject errorObj = new JsonObject();
errorObj.Put("url", context.getUrl())
.Put("moduleId", context.getModuleId());
errorObj.Accumulate("errors", e.Message);
response.Accumulate("gadgets", errorObj);
}
catch (JsonException je)
{
throw new RpcException("Unable to write JSON", je);
}
}
}
return(response);
}
/**
* Substitutes all hangman variables into the gadget spec.
*
* @return A new GadgetSpec, with all fields substituted as needed.
*/
public GadgetSpec substitute(GadgetContext context, GadgetSpec spec)
{
MessageBundle bundle =
messageBundleFactory.getBundle(spec, context.getLocale(), context.getIgnoreCache());
String dir = bundle.getLanguageDirection();
Substitutions substituter = new Substitutions();
substituter.addSubstitutions(Substitutions.Type.MESSAGE, bundle.getMessages());
BidiSubstituter.addSubstitutions(substituter, dir);
substituter.addSubstitution(Substitutions.Type.MODULE, "ID",
context.getModuleId());
UserPrefSubstituter.addSubstitutions(substituter, spec, context.getUserPrefs());
return spec.substitute(substituter);
}
/**
* Substitutes all hangman variables into the gadget spec.
*
* @return A new GadgetSpec, with all fields substituted as needed.
*/
public GadgetSpec substitute(GadgetContext context, GadgetSpec spec)
{
MessageBundle bundle =
messageBundleFactory.getBundle(spec, context.getLocale(), context.getIgnoreCache());
String dir = bundle.getLanguageDirection();
Substitutions substituter = new Substitutions();
substituter.addSubstitutions(Substitutions.Type.MESSAGE, bundle.getMessages());
BidiSubstituter.addSubstitutions(substituter, dir);
substituter.addSubstitution(Substitutions.Type.MODULE, "ID",
context.getModuleId());
UserPrefSubstituter.addSubstitutions(substituter, spec, context.getUserPrefs());
return(spec.substitute(substituter));
}
private JsonObject CallJob(GadgetContext context)
{
try
{
JsonObject gadgetJson = new JsonObject();
Gadget gadget = Processor.Process(context);
GadgetSpec spec = gadget.getSpec();
ModulePrefs prefs = spec.getModulePrefs();
// TODO: modularize response fields based on requested items.
JsonObject views = new JsonObject();
foreach (View view in spec.getViews().Values)
{
views.Put(view.getName(), new JsonObject()
// .Put("content", view.getContent())
.Put("type", view.getType().ToString().ToLower())
.Put("quirks", view.getQuirks())
.Put("preferredHeight", view.getPreferredHeight())
.Put("preferredWidth", view.getPreferredWidth()));
}
// Features.
List<String> feats = new List<String>();
foreach (var entry in prefs.getFeatures())
{
feats.Add(entry.Key);
}
string[] features = new string[feats.Count];
feats.CopyTo(features, 0);
// Links
JsonObject links = new JsonObject();
foreach (LinkSpec link in prefs.getLinks().Values)
{
links.Put(link.getRel(), link.getHref());
}
JsonObject userPrefs = new JsonObject();
// User pref specs
foreach (UserPref pref in spec.getUserPrefs())
{
JsonObject up = new JsonObject()
.Put("displayName", pref.getDisplayName())
.Put("type", pref.getDataType().ToString().ToLower())
.Put("default", pref.getDefaultValue())
.Put("enumValues", pref.getEnumValues())
.Put("orderedEnumValues", getOrderedEnums(pref));
userPrefs.Put(pref.getName(), up);
}
// TODO: This should probably just copy all data from
// ModulePrefs.getAttributes(), but names have to be converted to
// camel case.
gadgetJson.Put("iframeUrl", UrlGenerator.getIframeUrl(gadget))
.Put("url", context.getUrl().ToString())
.Put("moduleId", context.getModuleId())
.Put("title", prefs.getTitle())
.Put("titleUrl", prefs.getTitleUrl().ToString())
.Put("views", views)
.Put("features", features)
.Put("userPrefs", userPrefs)
.Put("links", links)
// extended meta data
.Put("directoryTitle", prefs.getDirectoryTitle())
.Put("description", prefs.getDescription())
.Put("thumbnail", prefs.getThumbnail().ToString())
.Put("screenshot", prefs.getScreenshot().ToString())
.Put("author", prefs.getAuthor())
.Put("authorEmail", prefs.getAuthorEmail())
.Put("authorAffiliation", prefs.getAuthorAffiliation())
.Put("authorLocation", prefs.getAuthorLocation())
.Put("authorPhoto", prefs.getAuthorPhoto())
.Put("authorAboutme", prefs.getAuthorAboutme())
.Put("authorQuote", prefs.getAuthorQuote())
.Put("authorLink", prefs.getAuthorLink())
.Put("categories", prefs.getCategories())
.Put("screenshot", prefs.getScreenshot().ToString())
.Put("height", prefs.getHeight())
.Put("width", prefs.getWidth())
.Put("showStats", prefs.getShowStats())
.Put("showInDirectory", prefs.getShowInDirectory())
.Put("singleton", prefs.getSingleton())
.Put("scaling", prefs.getScaling())
.Put("scrolling", prefs.getScrolling());
return gadgetJson;
}
catch (ProcessingException e)
{
throw new RpcException(context, e);
//throw e;
}
catch (JsonException e)
{
// Shouldn't be possible
throw new RpcException(context, e);
}
}
private JsonObject CallJob(GadgetContext context)
{
try
{
JsonObject gadgetJson = new JsonObject();
Gadget gadget = Processor.Process(context);
GadgetSpec spec = gadget.getSpec();
ModulePrefs prefs = spec.getModulePrefs();
// TODO: modularize response fields based on requested items.
JsonObject views = new JsonObject();
foreach (View view in spec.getViews().Values)
{
views.Put(view.getName(), new JsonObject()
// .Put("content", view.getContent())
.Put("type", view.getType().ToString().ToLower())
.Put("quirks", view.getQuirks())
.Put("preferredHeight", view.getPreferredHeight())
.Put("preferredWidth", view.getPreferredWidth()));
}
// Features.
List <String> feats = new List <String>();
foreach (var entry in prefs.getFeatures())
{
feats.Add(entry.Key);
}
string[] features = new string[feats.Count];
feats.CopyTo(features, 0);
// Links
JsonObject links = new JsonObject();
foreach (LinkSpec link in prefs.getLinks().Values)
{
links.Put(link.getRel(), link.getHref());
}
JsonObject userPrefs = new JsonObject();
// User pref specs
foreach (UserPref pref in spec.getUserPrefs())
{
JsonObject up = new JsonObject()
.Put("displayName", pref.getDisplayName())
.Put("type", pref.getDataType().ToString().ToLower())
.Put("default", pref.getDefaultValue())
.Put("enumValues", pref.getEnumValues())
.Put("orderedEnumValues", getOrderedEnums(pref));
userPrefs.Put(pref.getName(), up);
}
// TODO: This should probably just copy all data from
// ModulePrefs.getAttributes(), but names have to be converted to
// camel case.
gadgetJson.Put("iframeUrl", UrlGenerator.getIframeUrl(gadget))
.Put("url", context.getUrl().ToString())
.Put("moduleId", context.getModuleId())
.Put("title", prefs.getTitle())
.Put("titleUrl", prefs.getTitleUrl().ToString())
.Put("views", views)
.Put("features", features)
.Put("userPrefs", userPrefs)
.Put("links", links)
// extended meta data
.Put("directoryTitle", prefs.getDirectoryTitle())
.Put("description", prefs.getDescription())
.Put("thumbnail", prefs.getThumbnail().ToString())
.Put("screenshot", prefs.getScreenshot().ToString())
.Put("author", prefs.getAuthor())
.Put("authorEmail", prefs.getAuthorEmail())
.Put("authorAffiliation", prefs.getAuthorAffiliation())
.Put("authorLocation", prefs.getAuthorLocation())
.Put("authorPhoto", prefs.getAuthorPhoto())
.Put("authorAboutme", prefs.getAuthorAboutme())
.Put("authorQuote", prefs.getAuthorQuote())
.Put("authorLink", prefs.getAuthorLink())
.Put("categories", prefs.getCategories())
.Put("screenshot", prefs.getScreenshot().ToString())
.Put("height", prefs.getHeight())
.Put("width", prefs.getWidth())
.Put("showStats", prefs.getShowStats())
.Put("showInDirectory", prefs.getShowInDirectory())
.Put("singleton", prefs.getSingleton())
.Put("scaling", prefs.getScaling())
.Put("scrolling", prefs.getScrolling());
return(gadgetJson);
}
catch (ProcessingException e)
{
throw new RpcException(context, e);
//throw e;
}
catch (JsonException e)
{
// Shouldn't be possible
throw new RpcException(context, e);
}
}