pub fn from_file<P: AsRef<Path>>(file: File, path: P) -> io::Result<NamedFile> {
        let path = path.as_ref().to_path_buf();

        // Get the name of the file and use it to construct default Content-Type
        // and Content-Disposition values
        let (content_type, content_disposition) = {
            let filename = match path.file_name() {
                Some(name) => name.to_string_lossy(),
                None => {
                    return Err(io::Error::new(
                        io::ErrorKind::InvalidInput,
                        "Provided path has no filename",
                    ));
                }
            };

            let ct = from_path(&path).first_or_octet_stream();

            let disposition = match ct.type_() {
                mime::IMAGE | mime::TEXT | mime::VIDEO => DispositionType::Inline,
                mime::APPLICATION => match ct.subtype() {
                    mime::JAVASCRIPT | mime::JSON => DispositionType::Inline,
                    name if name == "wasm" => DispositionType::Inline,
                    _ => DispositionType::Attachment,
                },
                _ => DispositionType::Attachment,
            };

            let mut parameters =
                vec![DispositionParam::Filename(String::from(filename.as_ref()))];

            if !filename.is_ascii() {
                parameters.push(DispositionParam::FilenameExt(ExtendedValue {
                    charset: Charset::Ext(String::from("UTF-8")),
                    language_tag: None,
                    value: filename.into_owned().into_bytes(),
                }))
            }

            let cd = ContentDisposition {
                disposition,
                parameters,
            };

            (ct, cd)
        };

        let md = file.metadata()?;
        let modified = md.modified().ok();
        let encoding = None;

        Ok(NamedFile {
            path,
            file,
            content_type,
            content_disposition,
            md,
            modified,
            encoding,
            status_code: StatusCode::OK,
            flags: Flags::default(),
        })
    }
/// Creates an instance from a previously opened file.
///
/// The given `path` need not exist and is only used to determine the `ContentType` and
/// `ContentDisposition` headers.
///
/// # Examples
///
/// ```
/// use actix_files::NamedFile;
/// use std::io::{self, Write};
/// use std::env;
/// use std::fs::File;
///
/// fn main() -> io::Result<()> {
///     let mut file = File::create("foo.txt")?;
///     file.write_all(b"Hello, world!")?;
///     let named_file = NamedFile::from_file(file, "bar.txt")?;
///     # std::fs::remove_file("foo.txt");
///     Ok(())
/// }
/// ```
Creates an instance from a previously opened file.
Creates an instance from a previously opened file .
pub fn from_file<P: AsRef<Path>>(file: File, path: P) -> io::Result<NamedFile> {
        let path = path.as_ref().to_path_buf();
        // Get the name of the file and use it to construct default Content-Type
        // and Content-Disposition values
        let (content_type, content_disposition) = {
            let filename = match path.file_name() {
                Some(name) => name.to_string_lossy(),
                None => {
                    return Err(io::Error::new(
                        io::ErrorKind::InvalidInput,
                        "Provided path has no filename",
                    ));
                }
            };
            let ct = from_path(&path).first_or_octet_stream();
            let disposition = match ct.type_() {
                mime::IMAGE | mime::TEXT | mime::VIDEO => DispositionType::Inline,
                mime::APPLICATION => match ct.subtype() {
                    mime::JAVASCRIPT | mime::JSON => DispositionType::Inline,
                    name if name == "wasm" => DispositionType::Inline,
                    _ => DispositionType::Attachment,
                },
                _ => DispositionType::Attachment,
            };
            let mut parameters =
                vec![DispositionParam::Filename(String::from(filename.as_ref()))];
            if !filename.is_ascii() {
                parameters.push(DispositionParam::FilenameExt(ExtendedValue {
                    charset: Charset::Ext(String::from("UTF-8")),
                    language_tag: None,
                    value: filename.into_owned().into_bytes(),
                }))
            }
            let cd = ContentDisposition {
                disposition,
                parameters,
            };
            (ct, cd)
        };
        let md = file.metadata()?;
        let modified = md.modified().ok();
        let encoding = None;
        Ok(NamedFile {
            path,
            file,
            content_type,
            content_disposition,
            md,
            modified,
            encoding,
            status_code: StatusCode::OK,
            flags: Flags::default(),
        })
    }
pub fn from_file < P : AsRef < Path > > ( file : File , path : P ) -> io :: Result < NamedFile > { let path = path . as_ref ( ) . to_path_buf ( ) ; // Get the name of the file and use it to construct default Content-Type // and Content-Disposition values let ( content_type , content_disposition ) = { let filename = match path . file_name ( ) { Some ( name ) => name . to_string_lossy ( ) , None => { return Err ( io :: Error :: new ( io :: ErrorKind :: InvalidInput , " " , ) ) ; } } ; let ct = from_path ( & path ) . first_or_octet_stream ( ) ; let disposition = match ct . type_ ( ) { mime :: IMAGE | mime :: TEXT | mime :: VIDEO => DispositionType :: Inline , mime :: APPLICATION => match ct . subtype ( ) { mime :: JAVASCRIPT | mime :: JSON => DispositionType :: Inline , name if name == " " => DispositionType :: Inline , _ => DispositionType :: Attachment , } , _ => DispositionType :: Attachment , } ; let mut parameters = vec ! [ DispositionParam Filename ( String from ( filename as_ref ( ) ) ) ] ; if ! filename . is_ascii ( ) { parameters . push ( DispositionParam :: FilenameExt ( ExtendedValue { charset : Charset :: Ext ( String :: from ( " " ) ) , language_tag : None , value : filename . into_owned ( ) . into_bytes ( ) , } ) ) } let cd = ContentDisposition { disposition , parameters , } ; ( ct , cd ) } ; let md = file . metadata ( ) ? ; let modified = md . modified ( ) . ok ( ) ; let encoding = None ; Ok ( NamedFile { path , file , content_type , content_disposition , md , modified , encoding , status_code : StatusCode :: OK , flags : Flags :: default ( ) , } ) }
Creates an instance from a previously opened file.
Creates an instance from a previously opened file .
file
File
path
P
file
File
path
P
examples
```
use actix_files::NamedFile;
use std::io::{self, Write};
use std::env;
use std::fs::File.

fn main() -> io::Result<()> {
let mut file = File::create("foo.txt")?;
file.write_all(b"Hello, world!")?;
let named_file = NamedFile::from_file(file, "bar.txt")?;
std::fs::remove_file("foo.txt");
Ok(())
}
```
` ` ` use actix_files :: NamedFile ; use std :: io :: { self Write } ; use std :: env ; use std :: fs :: File . fn main () - > io :: Result< () > { let mut file = File :: create ( " foo . txt " ) ? ; file . write_all ( b " Hello world! " ) ? ; let named_file = NamedFile :: from_file ( file " bar . txt " ) ? ; std :: fs :: remove_file ( " foo . txt " ) ; Ok (( )) } ` ` `