private static void SetFeatureData(PlatformFeature feature, Object value)
{
lock (_features)
{
if (FindFeatureData(feature) == null)
{
_features.Add(feature, value);
}
}
}
internal static Object GetFeatureData(PlatformFeature feature)
{
Object value = FindFeatureData(feature);
if (value != null)
{
return(value);
}
switch (feature)
{
case PlatformFeature.SWC:
value = Thunk.SWCThunk.IsSWCSupported();
break;
default:
DBG.Assert(false, "Unknown feature");
return(null);
}
SetFeatureData(feature, value);
return(value);
}
internal static bool Supports(PlatformFeature feature)
{
return((bool)GetFeatureData(feature));
}
private static Object FindFeatureData(PlatformFeature feature)
{
return(_features[feature]);
}
public static PlatformFeature SetImageAndFileFeaturesSupport(Settings settings, PlatformFeature existingFeatures,
IConnectionManager connectionManager)
{
const PlatformFeature feature = PlatformFeature.Image;
var entityProperties =
new MetadataPropertiesExpression
{
AllProperties = false
};
entityProperties.PropertyNames.AddRange("LogicalName", "Attributes");
var entityFilter = new MetadataFilterExpression(LogicalOperator.And);
entityFilter.Conditions.Add(new MetadataConditionExpression("LogicalName",
MetadataConditionOperator.Equals, "account"));
var attributeProperties =
new MetadataPropertiesExpression
{
AllProperties = false
};
attributeProperties.PropertyNames.AddRange("MaxWidth", "MaxHeight", "MaxSizeInKB");
var attributeFilter = new MetadataFilterExpression(LogicalOperator.And);
attributeFilter.Conditions.Add(new MetadataConditionExpression("LogicalName",
MetadataConditionOperator.Equals, "name"));
var entityQueryExpression =
new EntityQueryExpression
{
Properties = entityProperties,
Criteria = entityFilter,
AttributeQuery =
new AttributeQueryExpression
{
Properties = attributeProperties,
Criteria = attributeFilter
}
};
try
{
var retrieveMetadataChangesRequest =
new RetrieveMetadataChangesRequest
{
Query = entityQueryExpression
};
var dummy = (RetrieveMetadataChangesResponse)connectionManager.Get().Execute(retrieveMetadataChangesRequest);
return(existingFeatures | feature);
}
catch (FaultException <OrganizationServiceFault> ex)
{
if (ex.Detail.ErrorCode == unchecked ((int)0x80044183))
{
return(existingFeatures & ~feature);
}
else
{
throw;
}
}
}
