java_runtimes/
error.rs

1use std::fmt::{Display, Formatter};
2use std::path::PathBuf;
3
4#[derive(Debug)]
5pub struct Error {
6    pub(crate) kind: ErrorKind,
7}
8
9impl Error {
10    pub(crate) fn new(kind: ErrorKind) -> Self {
11        Error { kind }
12    }
13}
14
15#[derive(Debug)]
16pub(crate) enum ErrorKind {
17    InvalidWorkDir,
18    NoJavaVersionStringFound,
19    LooksNotLikeJavaExecutableFile(PathBuf),
20    JavaOutputFailed(std::io::Error),
21    GettingJavaVersionFailed(PathBuf),
22}
23
24impl Display for Error {
25    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
26        match &self.kind {
27            ErrorKind::InvalidWorkDir => write!(f, "Java home directory not found"),
28            ErrorKind::NoJavaVersionStringFound => write!(f, "Invalid version string"),
29            ErrorKind::LooksNotLikeJavaExecutableFile(path) => {
30                write!(
31                    f,
32                    "Path looks not like a Java executable file [**/bin/java(.exe)] : {}",
33                    path.display()
34                )
35            }
36            ErrorKind::JavaOutputFailed(io_err) => {
37                write!(f, "Failed to read Java output: {}", io_err)
38            }
39            ErrorKind::GettingJavaVersionFailed(path) => {
40                write!(f, "Failed to get Java version: {}", path.display())
41            }
42        }
43    }
44}
java_runtimes/error.rs

java_runtimes/
error.rs
