public static com.liferay.opensocial.model.Gadget getGadget(PortletPreferences portletPreferences)
throws Exception {
String url = portletPreferences.getValue("url", StringPool.BLANK);
if (Validator.isNull(url)) {
return null;
}
com.liferay.opensocial.model.Gadget gadget = new GadgetImpl();
GadgetSpec gadgetSpec = null;
try {
gadgetSpec = ShindigUtil.getGadgetSpec(url);
} catch (Exception e) {
throw new GadgetURLException(e);
}
ModulePrefs modulePrefs = gadgetSpec.getModulePrefs();
gadget.setName(modulePrefs.getTitle());
gadget.setUrl(url);
return gadget;
}
public static Map<String, OAuthService> getOAuthServices(String url) throws Exception {
GadgetSpec gadgetSpec = getGadgetSpec(url);
ModulePrefs modulePrefs = gadgetSpec.getModulePrefs();
if (modulePrefs == null) {
return null;
}
OAuthSpec oAuthSpec = modulePrefs.getOAuthSpec();
if (oAuthSpec == null) {
return null;
}
return oAuthSpec.getServices();
}
private Iterable<String> getUnsupportedFeatureNames(ModulePrefs prefs) {
Collection<String> unsupportedFeatures = new LinkedList<String>();
// first, get the required (not optional) features only
Collection<String> requiredFeatures = new LinkedList<String>();
Map<String, org.apache.shindig.gadgets.spec.Feature> shindigFeatures = prefs.getFeatures();
for (Map.Entry<String, org.apache.shindig.gadgets.spec.Feature> shindigFeature :
shindigFeatures.entrySet()) {
if (shindigFeature.getValue().getRequired()) {
requiredFeatures.add(shindigFeature.getKey());
}
}
gadgetFeatureRegistry.getFeatures(requiredFeatures, unsupportedFeatures);
return unmodifiableCollection(unsupportedFeatures);
}
private GadgetSpec getGadgetSpec(
final URI specUri,
final Map<String, String> userPrefs,
final GadgetRequestContext gadgetRequestContext)
throws GadgetParsingException {
final URI absoluteSpecUri =
Uri.resolveUriAgainstBase(applicationProperties.getBaseUrl(), specUri);
GadgetContext gadgetContext =
new GadgetContext() {
@Override
public URI getUrl() {
return absoluteSpecUri;
}
@Override
public boolean getIgnoreCache() {
return gadgetRequestContext.getIgnoreCache();
}
@Override
public RenderingContext getRenderingContext() {
return RenderingContext.CONTAINER;
}
@Override
public UserPrefs getUserPrefs() {
return new UserPrefs(userPrefs);
}
@Override
public Locale getLocale() {
if (gadgetRequestContext.getLocale() != null) {
return gadgetRequestContext.getLocale();
}
return new Locale("");
}
@Override
public boolean getDebug() {
return gadgetRequestContext.isDebuggingEnabled();
}
};
try {
org.apache.shindig.gadgets.spec.GadgetSpec shindigGadgetSpec =
substituter.substitute(gadgetContext, shindigFactory.getGadgetSpec(gadgetContext));
ModulePrefs prefs = shindigGadgetSpec.getModulePrefs();
return GadgetSpec.gadgetSpec(specUri)
.userPrefs(transform(shindigGadgetSpec.getUserPrefs(), UserPrefToUserPrefSpec.FUNCTION))
.viewsNames(shindigGadgetSpec.getViews().keySet())
.scrolling(prefs.getScrolling())
.height(prefs.getHeight())
.width(prefs.getWidth())
.title(prefs.getTitle())
.titleUrl(nullSafeToJavaUri(prefs.getTitleUrl()))
.thumbnail(nullSafeToJavaUri(prefs.getThumbnail()))
.author(prefs.getAuthor())
.authorEmail(prefs.getAuthorEmail())
.description(prefs.getDescription())
.directoryTitle(prefs.getDirectoryTitle())
.features(
unmodifiableMap(
transformValues(prefs.getFeatures(), ShindigFeatureToFeature.FUNCTION)))
.unsupportedFeatureNames(getUnsupportedFeatureNames(prefs))
.build();
} catch (GadgetException e) {
throw new GadgetParsingException(e);
}
}