Function detect_system_java

rust/src/jre.rs:202–228

(log: &Logger)

}

fn detect_system_java(log: &Logger) -> Result<Option<JavaRuntime>, Error> {
    let java_path = match which("java") {
        Ok(path) => path,
        Err(_) => return Ok(None),
    };

    let version = match read_java_version(&java_path)? {
        Some(version) => version,
        None => return Ok(None),
    };

    if !is_supported_java_version(&version) {
        log.debug(format!(
            "System Java found at {} but version {} is below minimum {}",
            java_path.display(),
            version,
            MIN_SUPPORTED_JAVA_MAJOR
        ));
        return Ok(None);
    }

    Ok(Some(JavaRuntime {
        java_path,
        version,
        source: "system-jre".to_string(),
    }))
}

fn detect_managed_jre(install_root: &Path) -> Result<Option<JavaRuntime>, Error> {
    let java_path = find_java_binary(install_root);