# MC-Minder - Java version management library # Sourced by start-tui.sh and other scripts # Contains: Java detection, switching, installation, menu source "$(dirname "${BASH_SOURCE[0]}")/common.sh" source "$(dirname "${BASH_SOURCE[0]}")/config.sh" # ==================== Java 版本管理 ==================== # 检测已安装的 Java 版本 detect_java_versions() { JAVA_VERSIONS=() JAVA_PATHS=() # 检查 java 命令 if command -v java >/dev/null 2>&1; then local java_ver java_ver=$(java -version 2>&1 | head -1 | awk -F '"' '{print $2}') local java_path java_path=$(command -v java) JAVA_VERSIONS+=("$java_ver") JAVA_PATHS+=("$java_path") debug_log "detect_java_versions: found java $java_ver at $java_path" fi # 检查常见的 Java 安装路径 local java_dirs=( "/usr/lib/jvm" "/usr/java" "/opt/java" "/Library/Java/JavaVirtualMachines" # macOS "$PREFIX/lib/jvm" # Termux ) for dir in "${java_dirs[@]}"; do if [ -d "$dir" ]; then for java_home in "$dir"/{java,openjdk,jdk}*; do if [ -d "$java_home" ] && [ -x "$java_home/bin/java" ]; then local ver ver=$("$java_home/bin/java" -version 2>&1 | head -1 | awk -F '"' '{print $2}') # 避免重复 local exists=0 for existing in "${JAVA_VERSIONS[@]}"; do if [ "$existing" = "$ver" ]; then exists=1 break fi done if [ $exists -eq 0 ]; then JAVA_VERSIONS+=("$ver") JAVA_PATHS+=("$java_home/bin/java") debug_log "detect_java_versions: found java $ver at $java_home/bin/java" fi fi done fi done # Termux 特殊处理 if is_termux; then # 检查 pkg 安装的 openjdk for ver in 8 11 17 21; do local jvm_path="$PREFIX/lib/jvm/openjdk-$ver/bin/java" if [ -x "$jvm_path" ]; then local java_ver java_ver=$("$jvm_path" -version 2>&1 | head -1 | awk -F '"' '{print $2}') local exists=0 for existing in "${JAVA_VERSIONS[@]}"; do if [ "$existing" = "$java_ver" ]; then exists=1 break fi done if [ $exists -eq 0 ]; then JAVA_VERSIONS+=("$java_ver") JAVA_PATHS+=("$jvm_path") debug_log "detect_java_versions: found termux openjdk-$ver" fi fi done fi # 如果没有找到任何版本，尝试通过 PATH 查找 if [ ${#JAVA_VERSIONS[@]} -eq 0 ]; then # 检查常见的 java 路径 local path_dirs=$(echo "$PATH" | tr ':' '\n') for dir in $path_dirs; do if [ -x "$dir/java" ]; then local ver ver=$("$dir/java" -version 2>&1 | head -1 | awk -F '"' '{print $2}') JAVA_VERSIONS+=("$ver") JAVA_PATHS+=("$dir/java") debug_log "detect_java_versions: found java $ver in PATH at $dir/java" break fi done fi } # Java 版本切换 switch_java_version() { detect_java_versions if [ ${#JAVA_VERSIONS[@]} -eq 0 ]; then dialog --title "$(T "错误" "Error")" \ --msgbox "\n$(T "未检测到已安装的 Java 版本。" "No Java versions detected.")\n\n$(T "请先安装 Java:" "Please install Java first:")\n $(T "Termux: pkg install openjdk-17" "Termux: pkg install openjdk-17")\n $(T "Ubuntu: sudo apt install openjdk-17-jdk" "Ubuntu: sudo apt install openjdk-17-jdk")" 10 60 return 1 fi # 构建菜单选项 local menu_items=() local i=1 for idx in "${!JAVA_VERSIONS[@]}"; do menu_items+=("$i" "Java ${JAVA_VERSIONS[$idx]}") ((i++)) done local choice choice=$(dialog --clear \ --backtitle "MC-Minder" \ --title "$(T "Java 版本管理" "Java Version Management")" \ --menu "\n$(T "选择要使用的 Java 版本:" "Select Java version to use:")\n\n$(T "已检测到 ${#JAVA_VERSIONS[@]} 个版本" "Detected ${#JAVA_VERSIONS[@]} version(s)")" \ 15 60 ${#JAVA_VERSIONS[@]} \ "${menu_items[@]}" \ 2>&1 >/dev/tty) case $? in 0) local selected_idx=$((choice - 1)) local selected_java="${JAVA_PATHS[$selected_idx]}" local selected_ver="${JAVA_VERSIONS[$selected_idx]}" # 如果选择的不是默认 java，创建符号链接或提示用户 if [ "$selected_java" != "$(command -v java 2>/dev/null)" ]; then dialog --yesno "\n$(T "已选择 Java $selected_ver" "Selected Java $selected_ver")\n\n$(T "路径: $selected_java" "Path: $selected_java")\n\n$(T "是否将其设置为当前会话的默认 Java?" "Set as default Java for current session?")" 12 60 case $? in 0) # 更新 PATH 使选中的 java 优先 local java_dir java_dir=$(dirname "$selected_java") export PATH="$java_dir:$PATH" debug_log "switch_java_version: added $java_dir to PATH" # 更新 JAVA_HOME export JAVA_HOME=$(dirname "$java_dir") debug_log "switch_java_version: set JAVA_HOME=$JAVA_HOME" dialog --msgbox "\n$(T "Java 版本已切换!" "Java version switched!")\n\n$(T "当前版本: $(java -version 2>&1 | head -1)" "Current version: $(java -version 2>&1 | head -1)")" 8 60 ;; esac else dialog --msgbox "\n$(T "当前已使用 Java $selected_ver" "Already using Java $selected_ver")" 6 40 fi ;; esac } # 安装 Java 版本 install_java_version() { if is_termux; then local choice choice=$(dialog --clear \ --backtitle "MC-Minder" \ --title "$(T "安装 Java" "Install Java")" \ --menu "\n$(T "选择要安装的 Java 版本:" "Select Java version to install:")" \ 14 50 5 \ "8" "Java 8 $(T "(轻量级/旧服务器)" "(Lightweight/Old servers)")" \ "11" "Java 11 $(T "(稳定版)" "(Stable)")" \ "17" "Java 17 $(T "(推荐/最新MC)" "(Recommended/Latest MC)")" \ "21" "Java 21 $(T "(最新版)" "(Latest)")" \ "0" "$(T "返回" "Back")" \ 2>&1 >/dev/tty) case $? in 0) if [ "$choice" = "0" ]; then return fi dialog --infobox "\n$(T "正在安装 Java $choice..." "Installing Java $choice...")" 5 40 debug_log "install_java_version: installing openjdk-$choice" if pkg install -y "openjdk-$choice" 2>&1; then dialog --msgbox "\n$(T "Java $choice 安装成功!" "Java $choice installed successfully!")" 6 40 else dialog --msgbox "\n$(T "Java $choice 安装失败!" "Java $choice installation failed!")" 6 40 fi ;; esac else dialog --title "$(T "安装 Java" "Install Java")" \ --msgbox "\n$(T "请根据您的系统手动安装 Java:" "Please install Java manually for your system:")\n\n$(T "Ubuntu/Debian:" "Ubuntu/Debian:")\n sudo apt install openjdk-17-jdk\n\n$(T "CentOS/RHEL:" "CentOS/RHEL:")\n sudo yum install java-17-openjdk\n\n$(T "macOS:" "macOS:")\n brew install openjdk@17\n\n$(T "Arch Linux:" "Arch Linux:")\n sudo pacman -S jdk17-openjdk" 16 60 fi } # ==================== Java 管理子菜单 ==================== show_java_menu() { while true; do local current_java_ver="" if command -v java >/dev/null 2>&1; then current_java_ver=$(java -version 2>&1 | head -1 | awk -F '"' '{print $2}') fi exec 3>&1 selection=$(dialog --clear \ --backtitle "MC-Minder - $(T "Java 版本管理" "Java Version Management")" \ --title "$(T "Java 管理" "Java Management")" \ --menu "\n$(T "当前 Java 版本:" "Current Java version:") ${current_java_ver:-$(T "未检测到" "Not detected")}\n\n$(T "选择操作:" "Select operation:")" \ 14 60 5 \ 1 "$(T "切换 Java 版本" "Switch Java Version")" \ 2 "$(T "安装新 Java 版本" "Install New Java Version")" \ 3 "$(T "查看所有已安装版本" "View All Installed Versions")" \ 4 "$(T "返回主菜单" "Back to Main Menu")" \ 2>&1 1>&3) exit_code=$? exec 3>&- case $exit_code in 0) case $selection in 1) switch_java_version ;; 2) install_java_version ;; 3) detect_java_versions local ver_list="" for idx in "${!JAVA_VERSIONS[@]}"; do ver_list+="Java ${JAVA_VERSIONS[$idx]} - ${JAVA_PATHS[$idx]}\n" done dialog --title "$(T "已安装的 Java 版本" "Installed Java Versions")" \ --msgbox "\n${ver_list:-$(T "未检测到 Java 版本" "No Java versions detected")}" 15 60 ;; 4) return ;; esac ;; 1|255) return ;; esac done }