Crabwise.PdfServe.DocumentCache.GetOrCreateDocument C# (CSharp) Method

        public Stream GetOrCreateDocument(string templateName, IDictionary<string, object> templateData)
        {
            byte[] hash = ComputeHash(templateName, templateData);
            var base64Hash = GetHashString(hash);
            var path = Path.Combine(this.documentDirectoryPath, base64Hash + ".pdf");

            IDocumentTemplate documentTemplate = null;
            foreach (var template in this.DocumentTemplates)
            {
                if (template.Metadata.Name.Equals(templateName, StringComparison.OrdinalIgnoreCase))
                {
                    documentTemplate = template.Value;
                    break;
                }
            }

            if (documentTemplate == null)
            {
                throw new ArgumentException(string.Format("Could not find a template by the name of \"{0\".", templateName), "templateName");
            }

            var cachedDocument = this.cachedDocuments.GetOrAdd(hash, new CachedDocument(path, documentTemplate, templateData));
            return cachedDocument.GetContentStream();
        }