Opc.Ua.Schema.SchemaValidator.Load C# (CSharp) Method

        protected object Load(System.Type type, string namespaceUri, string path)
        {
            // check if already loaded.
            if (m_loadedFiles.ContainsKey(namespaceUri))
            {
                return m_loadedFiles[namespaceUri];
            }

            // check if a valid path provided.
            FileInfo fileInfo = null;

            if (!String.IsNullOrEmpty(path))
            {
                fileInfo = new FileInfo(path);

                if (fileInfo.Exists)
                {
                    return LoadFile(type, path);
                }
            }

            // check if path specified in the file table.
            string location = null;

            if (m_knownFiles.TryGetValue(namespaceUri, out location))
            {
                fileInfo = new FileInfo(location);
                
                if (fileInfo.Exists)
                {
                    return LoadFile(type, location);
                }

                // load embedded resource.
                return LoadResource(type, location, type.Assembly);
            }

            if (!String.IsNullOrEmpty(path))
            {
                if (!File.Exists(path))
                {
                    Assembly assembly = Assembly.GetExecutingAssembly();

                    if (namespaceUri == Namespaces.OpcUa)
                    {
                        path = "Opc.Ua.Model.Opc.Ua.Types.bsd";
                        assembly = Assembly.Load("Opc.Ua.Types");
                    }
                    
                    // load embedded resource.
                    return LoadResource(type, path, assembly);
                }

                // check for file in the same directory as the input file.
                FileInfo inputInfo = new FileInfo(m_inputPath);
                                        
                fileInfo = new FileInfo(inputInfo.DirectoryName + "\\" + fileInfo.Name);

                if (fileInfo.Exists)
                {       
                    return LoadFile(type, fileInfo.FullName);
                }
                 
                // check for file in the process directory.
                fileInfo = new FileInfo(Environment.CurrentDirectory + "\\" + fileInfo.Name);
            
                if (fileInfo.Exists)
                {
                    return LoadFile(type, fileInfo.FullName);
                }
            }
            
            throw Exception("Cannot import file '{0}' from '{1}'.", namespaceUri, path);    
        }