private string ComputePropertyValue(ITaskItem element, string metadataName, string propertyValue, bool isRequired = true)
{
if (PropertyOverrides != null && PropertyOverrides.Any(a => string.Equals(a.ItemSpec, metadataName, StringComparison.OrdinalIgnoreCase)))
{
return(propertyValue);
}
var value = element.GetMetadata(metadataName);
if (string.IsNullOrEmpty(value))
{
if (propertyValue == null && isRequired)
{
Log.LogError("No metadata '{0}' was present for item '{1}' and no default value was provided.",
metadataName,
element.ItemSpec);
return(null);
}
else
{
return(propertyValue);
}
}
else
{
return(value);
}
}
