55 lines
2.2 KiB
Rust
55 lines
2.2 KiB
Rust
use std::env;
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use std::io::{Cursor, Seek, Read};
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use std::path::{Components, Path, PathBuf};
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use flate2::read::GzDecoder;
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use tar::Archive;
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use crate::system_dirs::get_local_data_directory;
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use crate::ftp::{self, ftp_get_size};
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use crate::util;
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fn check_java(version: u8) -> bool {
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let dir = get_local_data_directory().join("java").join(format!("java-{}-{}", version, if env::consts::OS == "windows" { "win" } else {"lin"}));
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dir.exists()
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}
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pub fn install_java(version: u8) {
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if check_java(version) {
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return;
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}
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let ftp_dir = PathBuf::new().join("java").join(format!("java-{}-{}", version, if env::consts::OS == "windows" { "win.zip" } else {"lin.tar.gz"}));
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let mut buff = Cursor::new(vec![]);
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let mut total: usize = 0;
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let size = ftp_get_size(ftp_dir.clone()).unwrap();
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ftp::ftp_retr(ftp_dir, &mut buff, |data| util::download_callback(data, &mut total, size)).unwrap();
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std::fs::create_dir_all(get_local_data_directory().join("java").join(format!("java-{}-{}", version, if env::consts::OS == "windows" { "win" } else {"lin"}))).unwrap();
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buff.rewind().unwrap();
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if env::consts::OS != "windows" {
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let tar = GzDecoder::new(buff);
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let mut archive = Archive::new(tar);
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if !unpack_archive(archive, get_local_data_directory().join("java").join(format!("java-{}-lin", version))).is_ok() {
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std::fs::remove_dir_all(get_local_data_directory().join("java").join(format!("java-{}-lin", version))).unwrap();
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}
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} else {
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if !zip_extract::extract(buff, get_local_data_directory().join("java").join(format!("java-{}-win", version)).as_path(), true).is_ok() {
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std::fs::remove_dir_all(get_local_data_directory().join("java").join(format!("java-{}-win", version))).unwrap();
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}
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}
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}
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fn unpack_archive<T: Read>(mut archive: Archive<T>, dst: PathBuf) -> Result<(), Box<dyn std::error::Error>> {
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for file in archive.entries()? {
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let path = PathBuf::new().join(dst.clone());
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let mut file = file?;
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let file_path = file.path()?;
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let mut file_path = file_path.components();
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let _ = file_path.next();
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let file_path = file_path.as_path();
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file.unpack(path.join(file_path))?;
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}
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Ok(())
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}
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