我上传文件到本地webdav有问题。到目前为止，我已经：

public interface IStorageService {
    URI SaveFile(String filename, InputStream inputStream);
}

@Component
public class LocalStorageService implements IStorageService {
    @Value( "C:\temp" )
    private String filestorePath;

    public URI SaveFile(String filename, InputStream inputStream) {
        var rootLocation = Paths.get(filestorePath);
        var filePath = rootLocation.resolve(filename);
        try {
            Files.copy(inputStream, filePath);
        } catch (IOException e) {
            throw new RuntimeException("Failure save file to " + filename + " in " + filestorePath + "." + e.getMessage(), e);
        }
        return filePath.toUri();
    }
}

和控制器

private final DocumentService documentService;

    public DocumentController(DocumentService documentService) {
        this.documentService = documentService;
    }

    @RequestMapping(method = RequestMethod.POST)
    public DocumentModel handleFileUpload(@RequestParam("file") MultipartFile file) throws IOException {        
        return documentService.handleFileUpload(file.getOriginalFilename(), file.getInputStream());
    }

它工作正常，文件上传到c:/temp。。。现在我想做同样的，但上传文件到本地webdav。当我在@value“c:\temp to”中更改时http://localhost“（这是ma webdav的位置）我有：

invalidpathexception: illegal char <:> at index 4: http://localhost

或者当我声明http//localhost而没有<:>

nosuchfileexception: http\localhost

如何编写代码将文件直接上载到webdav。不能更改savefile方法的参数，我需要使用名称作为string和inputstream。我试过用沙丁鱼，但没用。有人能帮我，给我一些提示或者代码建议吗？
问候语！