Refactor Java runtime to async modular system with Adoptium support (#82)

1 files changed, 146 insertions, 0 deletions

diff --git a/src-tauri/src/core/java/validation.rs b/src-tauri/src/core/java/validation.rs
new file mode 100644
index 0000000..48782f6
--- /dev/null
+++ b/src-tauri/src/core/java/validation.rs
@@ -0,0 +1,146 @@
+use std::collections::HashMap;
+use std::path::PathBuf;
+use std::process::Command;
+
+#[cfg(target_os = "windows")]
+use std::os::windows::process::CommandExt;
+
+use super::JavaInstallation;
+
+pub async fn check_java_installation(path: &PathBuf) -> Option<JavaInstallation> {
+    let path = path.clone();
+    tokio::task::spawn_blocking(move || check_java_installation_blocking(&path))
+        .await
+        .ok()?
+}
+
+fn check_java_installation_blocking(path: &PathBuf) -> Option<JavaInstallation> {
+    let mut cmd = Command::new(path);
+    cmd.arg("-version");
+
+    // Hide console window
+    #[cfg(target_os = "windows")]
+    cmd.creation_flags(0x08000000);
+
+    let output = cmd.output().ok()?;
+
+    let version_output = String::from_utf8_lossy(&output.stderr);
+
+    let version = parse_version_string(&version_output)?;
+    let arch = extract_architecture(&version_output);
+    let vendor = extract_vendor(&version_output);
+    let is_64bit = version_output.to_lowercase().contains("64-bit") || arch == "aarch64";
+
+    Some(JavaInstallation {
+        path: path.to_string_lossy().to_string(),
+        version,
+        arch,
+        vendor,
+        source: "system".to_string(),
+        is_64bit,
+    })
+}
+
+pub fn parse_version_string(output: &str) -> Option<String> {
+    for line in output.lines() {
+        if line.contains("version") {
+            if let Some(start) = line.find('"') {
+                if let Some(end) = line[start + 1..].find('"') {
+                    return Some(line[start + 1..start + 1 + end].to_string());
+                }
+            }
+        }
+    }
+    None
+}
+
+pub fn parse_java_version(version: &str) -> u32 {
+    let parts: Vec<&str> = version.split('.').collect();
+    if let Some(first) = parts.first() {
+        // Handle both legacy (1.x) and modern (x) versioning
+        if *first == "1" {
+            // Legacy versioning
+            parts.get(1).and_then(|s| s.parse().ok()).unwrap_or(0)
+        } else {
+            // Modern versioning
+            first.parse().unwrap_or(0)
+        }
+    } else {
+        0
+    }
+}
+
+pub fn extract_architecture(version_output: &str) -> String {
+    if version_output.contains("64-Bit") {
+        "x64".to_string()
+    } else if version_output.contains("32-Bit") {
+        "x86".to_string()
+    } else if version_output.contains("aarch64") || version_output.contains("ARM64") {
+        "aarch64".to_string()
+    } else {
+        "x64".to_string()
+    }
+}
+
+pub fn extract_vendor(version_output: &str) -> String {
+    let lower = version_output.to_lowercase();
+
+    let vendor_name: HashMap<&str, &str> = [
+        // Eclipse/Adoptium
+        ("temurin", "Temurin (Eclipse)"),
+        ("adoptium", "Eclipse Adoptium"),
+        // Amazon
+        ("corretto", "Corretto (Amazon)"),
+        ("amzn", "Corretto (Amazon)"),
+        // Alibaba
+        ("dragonwell", "Dragonwell (Alibaba)"),
+        ("albba", "Dragonwell (Alibaba)"),
+        // GraalVM
+        ("graalvm", "GraalVM"),
+        // Oracle
+        ("oracle", "Java SE Development Kit (Oracle)"),
+        // Tencent
+        ("kona", "Kona (Tencent)"),
+        // BellSoft
+        ("liberica", "Liberica (Bellsoft)"),
+        ("mandrel", "Mandrel (Red Hat)"),
+        // Microsoft
+        ("microsoft", "OpenJDK (Microsoft)"),
+        // SAP
+        ("sapmachine", "SapMachine (SAP)"),
+        // IBM
+        ("semeru", "Semeru (IBM)"),
+        ("sem", "Semeru (IBM)"),
+        // Azul
+        ("zulu", "Zulu (Azul Systems)"),
+        // Trava
+        ("trava", "Trava (Trava)"),
+        // Huawei
+        ("bisheng", "BiSheng (Huawei)"),
+        // Generic OpenJDK
+        ("openjdk", "OpenJDK"),
+    ]
+    .iter()
+    .cloned()
+    .collect();
+
+    for (key, name) in vendor_name {
+        if lower.contains(key) {
+            return name.to_string();
+        }
+    }
+
+    "Unknown".to_string()
+}
+
+pub fn is_version_compatible(
+    major: u32,
+    required_major_version: Option<u64>,
+    max_major_version: Option<u32>,
+) -> bool {
+    let meets_min = required_major_version
+        .map(|r| major >= r as u32)
+        .unwrap_or(true);
+    let meets_max = max_major_version.map(|m| major <= m).unwrap_or(true);
+    meets_min && meets_max
+}