opendal/services/ftp/
lister.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use std::str;
19use std::str::FromStr;
20use std::vec::IntoIter;
21
22use suppaftp::list::File;
23
24use crate::raw::*;
25use crate::*;
26
27pub struct FtpLister {
28    path: String,
29    file_iter: IntoIter<String>,
30}
31
32impl FtpLister {
33    pub fn new(path: &str, files: Vec<String>) -> Self {
34        Self {
35            path: path.to_string(),
36            file_iter: files.into_iter(),
37        }
38    }
39}
40
41impl oio::List for FtpLister {
42    async fn next(&mut self) -> Result<Option<oio::Entry>> {
43        let de = match self.file_iter.next() {
44            Some(file_str) => File::from_str(file_str.as_str()).map_err(|e| {
45                Error::new(ErrorKind::Unexpected, "parse file from response").set_source(e)
46            })?,
47            None => return Ok(None),
48        };
49
50        let path = self.path.to_string() + de.name();
51
52        let mut meta = if de.is_file() {
53            Metadata::new(EntryMode::FILE)
54        } else if de.is_directory() {
55            Metadata::new(EntryMode::DIR)
56        } else {
57            Metadata::new(EntryMode::Unknown)
58        };
59        meta.set_content_length(de.size() as u64);
60        meta.set_last_modified(de.modified().into());
61
62        let entry = if de.is_file() {
63            oio::Entry::new(&path, meta)
64        } else if de.is_directory() {
65            oio::Entry::new(&format!("{}/", &path), meta)
66        } else {
67            oio::Entry::new(&path, meta)
68        };
69
70        Ok(Some(entry))
71    }
72}
opendal/services/ftp/lister.rs

opendal/services/ftp/
lister.rs
