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Reimplement StorageBackend::put_file()

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This commit is contained in:
Matthias Beyer 2015-11-28 15:01:24 +01:00
parent 21d889e1e2
commit e0fefc3da4
1 changed files with 17 additions and 6 deletions
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23
src/storage/backend.rs
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@ -109,7 +109,18 @@ impl StorageBackend {
pub fn put_file<HP>(&self, f: File, p: &Parser<HP>) -> BackendOperationResult
where HP: FileHeaderParser
{
let written = write_with_parser(&f, p);
let written = p.write(f.contents())
.or_else(|err| {
let mut serr = StorageBackendError::build(
"Parser::write()",
"Cannot parse file contents",
"Cannot translate internal representation of file contents into on-disk representation",
None
);
serr.caused_by = Some(&err);
Err(serr)
});
if written.is_err() { return Err(written.err().unwrap()); }
let string = written.unwrap();
@ -117,7 +128,7 @@ impl StorageBackend {
debug!("Writing file: {}", path);
debug!(" string: {}", string);
FSFile::create(&path).map(|mut file| {
FSFile::create(&path).map(|file| {
debug!("Created file at '{}'", path);
file.write_all(&string.clone().into_bytes())
.map_err(|ioerr| {
@ -125,9 +136,9 @@ impl StorageBackend {
let mut err = StorageBackendError::build(
"File::write_all()",
"Could not write out File contents",
None
"", None
);
err.caused_by = Some(Box::new(ioerr));
err.caused_by = Some(&ioerr);
err
})
}).map_err(|writeerr| {
@ -135,7 +146,7 @@ impl StorageBackend {
let mut err = StorageBackendError::build(
"File::create()",
"Creating file on disk failed",
None
"", None
);
err.caused_by = Some(Box::new(writeerr));
err
@ -263,7 +274,7 @@ impl<'a> StorageBackendError<'a> {
fn build(action: &'static str,
desc: &'static str,
data : Option<String>) -> StorageBackendError
data : Option<String>) -> StorageBackendError<'a>
{
StorageBackendError {
action: String::from(action),