Java Dev Toolkit

English Version

Java Dev Toolkit — Essential tools for Java developers.

A comprehensive VSCode extension designed for Java developers, featuring quick copy, format conversion, REST API navigation, and Arthas diagnostic commands to boost productivity.

⌨️ Keyboard Shortcuts Matrix

Right-click to open the menu or use these keyboard shortcuts:

Feature	Shortcut (Windows/Linux)	Shortcut (macOS)
Copy Reference	`Ctrl+Alt+R`	`Cmd+Alt+R`
Copy REST Full Path	`Ctrl+Alt+A`	`Cmd+Alt+A`
Navigate to Controller	`Ctrl+Alt+N`	`Cmd+Alt+N`
Copy as JSON	`Ctrl+Alt+J`	`Cmd+Alt+J`
Copy as SQL Select	`Ctrl+Alt+Q`	`Cmd+Alt+Q`
Copy Arthas Vmtool	`Ctrl+Alt+1`	`Cmd+Alt+1`
Copy Arthas TimeTunnel	`Ctrl+Alt+2`	`Cmd+Alt+2`
Copy More Arthas Commands	`Ctrl+Alt+3`	`Cmd+Alt+3`
Copy Pure Content	`Ctrl+Shift+C`	`Cmd+Shift+C`
Paste as Java String	`Ctrl+Shift+V`	`Cmd+Shift+V`

✨ Features

1️⃣ 📌 Copy Reference

Extract Java fully qualified paths (package + class + method) for quick reference copying.

Use Case: Documentation, logging, code references
Shortcut: Ctrl+Alt+R (Windows) / Cmd+Alt+R (macOS)

2️⃣ 🌐 Copy REST Full Path

Automatically identify and concatenate complete REST API paths. Supports three frameworks:

Spring MVC Style ✅

@RequestMapping, @GetMapping, @PostMapping, @PutMapping, @DeleteMapping, etc.
Auto-merge class and method level paths

JAX-RS Style ✅

@Path annotations (class and method level)
Complete path auto-concatenation

Spring Cloud Feign Style ✅

@FeignClient + @RequestMapping combination
Auto-identify client paths

Features:

Complete path concatenation: auto-merge Controller and Method paths
Shortcut: Ctrl+Alt+A (Windows) / Cmd+Alt+A (macOS)

3️⃣ 🎯 Navigate to Controller

Input or paste REST path/complete URL to locate corresponding Controller code.

Key Features:

Smart URL Parsing: Support full URLs (e.g., http://api.example.com:8080/api/user/list), auto-extract path
Multi-level Matching: Exact match → Prefix match → Path suffix match
Cache Acceleration: First search 3-5s, subsequent searches 10ms (300-500x improvement)
Auto-sync: Monitor workspace changes, auto-invalidate stale cache
Multi-framework Support: Spring, JAX-RS, Feign fully compatible
Shortcut: Ctrl+Alt+N (Windows) / Cmd+Alt+N (macOS)

4️⃣ 📦 Copy as JSON

Convert Java classes or selected fields to JSON structures.

Features:

Auto Type Detection: Basic types, collections, dates generate appropriate mock values
Selection Support: Convert only selected fields or entire class
Precise Type Mapping: Correct handling of Integer, BigDecimal, Long, etc.
Dynamic Timestamps ⏰: Auto-use current system time for date/time fields
Performance Optimization: Field type caching improves performance ~70%
Shortcut: Ctrl+Alt+J (Windows) / Cmd+Alt+J (macOS)

5️⃣ 📊 Copy as SQL Select

Convert Java entity classes to SQL SELECT statements.

Features:

Auto Name Translation: Convert CamelCase to snake_case intelligently
Smart Table Name Cleaning: Auto-identify and clean suffixes, restore real table names
Field Filtering: Auto-exclude List, Map, Stream, Optional, etc.
Perfect Fallback: Handle complex type fields correctly
Shortcut: Ctrl+Alt+Q (Windows) / Cmd+Alt+Q (macOS)

Example:

public class UserDTO {
    private String userId;
    private String userName;
    private List<String> roles;  // Auto-excluded
}

↓ Converts to ↓

SELECT user_id, user_name FROM user

6️⃣ 🔧 Arthas Diagnostic Commands

Copy Arthas Vmtool

Generate Arthas vmtool commands for quick memory data inspection and modification.

Auto Parameter Detection: Identify method parameter types automatically
Chinese Parameter Support: Auto-convert to Unicode escapes for cross-environment execution
Shortcut: Ctrl+Alt+1 (Windows) / Cmd+Alt+1 (macOS)

Copy Arthas TimeTunnel

Generate Arthas tt time tunnel commands for method execution recording and replay.

Execution Recording: Quick method execution record command generation
Production Debugging: Implement production issue root cause analysis
Shortcut: Ctrl+Alt+2 (Windows) / Cmd+Alt+2 (macOS)

Arthas Command Library (59+ Commands)

Quick access to complete Arthas diagnostic command library including:

Method Monitoring (22 commands)

watch, trace, stack, monitor, sm, tt, ognl, getstatic, invoke, etc.

Class Inspection (13 commands)

jad, sc, classloader, dump, redefine, mbean, search, etc.

Global Monitoring (24 commands)

sysprop, thread, jvm, dashboard, heapdump, histogram, vmtool, vmoption, perfcounter, profiler, etc.
Shortcut: Ctrl+Alt+3 (Windows) / Cmd+Alt+3 (macOS)

7️⃣ 📄 Copy Pure Content

Extract plain text from strings, automatically removing escape characters.

Escape Removal: Strip \n, \t, \\ and other escape characters
Format Cleaning: Restore escaped text to original content
Shortcut: Ctrl+Shift+C (Windows) / Cmd+Shift+C (macOS)

8️⃣ 📌 Paste as Java String

Smart paste as Java string with automatic escape character conversion.

Auto Escape: Automatically escape ", \, newlines, and other special characters
Quick Paste: One-click paste as standard Java string
Shortcut: Ctrl+Shift+V (Windows) / Cmd+Shift+V (macOS)

🚀 Getting Started

Step 1: Uninstall Old Version (if installed)

If you previously installed Advanced Copy for Java, please uninstall to avoid keyboard shortcut conflicts:

Search for "Advanced Copy for Java" in VSCode extension marketplace
Click Uninstall

Step 2: Install This Toolkit

Search for "Java Dev Toolkit"
Click Install

Step 3: Start Using

Open a Java file
Right-click at code location and select Java Dev Toolkit menu
Or use keyboard shortcuts above

💡 Usage Tips

Scenario	Recommended Approach
Daily Development	Use keyboard shortcuts for fastest access; context menu as fallback
REST API Debugging	Combine Copy REST Full Path + Navigate to Controller
Database Operations	Use Copy as SQL Select for quick SQL template generation
Performance Diagnosis	Use Copy Arthas Commands for quick diagnostic command generation
Code Documentation	Use Copy Reference for complete reference paths
JSON Processing	Use Copy as JSON for quick mock data generation

📝 Version History

v1.1.0 (SQL Field Filtering Enhancement) - Latest ⭐

Complex Type Filtering: Added Stream, Optional, Supplier, Consumer, Function, Predicate, Comparator filtering
Regex Improvement: Enhanced field declaration regex to support annotations, volatile modifier, nested generics
Code Quality: Extracted common logic into reusable functions (isComplexType, getFieldRegex)
Performance: Improved SQL generation performance through optimized regex patterns

v1.0.2 (SQL Field Recognition Fix)

Field Identification: Changed to blacklist mechanism, exclude only List/Map/Set/Collection/Array
Feature Alignment: Copy SQL now fully aligned with Copy JSON field identification logic
Bug Fix: Fixed field unrecognition issue when copying SQL from class name
UX Improvement: Copy SQL on class name now correctly shows all fields, not SELECT *

Menu Consistency: Unified right-click menu name from "JavaDev Copilot" to "Java Dev Toolkit"
Brand Alignment: All UI elements, documentation, and menu names fully aligned
Quick Start Optimization: Simplified upgrade instructions

v1.0.0 (Brand Rebranding)

Brand Upgrade: Renamed from "JavaDev Copilot" to "Java Dev Toolkit"
Clear Positioning: Emphasize toolkit collection, fully match current and future feature plans
Complete Features: 10 commands + complete keyboard configuration + single-level menu design
Quality Assurance: Fixed SQL field filtering, menu structure optimization, and other issues

📦 Project Info

Publisher: qinlinglong
Repository: https://github.com/qinlinglong/advanced-copy
License: MIT
Minimum VSCode Version: 1.75.0

🎯 Core Advantages

✨ Optimized for Java Development - 10+ carefully selected features covering daily development scenarios

⚡ Lightning Fast - Cache acceleration, subsequent searches 10ms response, 300-500x performance improvement

🔄 Multi-Framework Support - Spring, JAX-RS, Feign fully compatible

🎨 Intelligent Conversion - JSON/SQL auto-type detection, CamelCase/snake_case auto-translation

🚀 Diagnostic Powerhouse - 59+ Arthas commands library for quick production issue diagnosis

中文版本

Java Dev Toolkit — Java 开发者的必备工具集。

一款为 Java 开发者精心打造的 VSCode 插件，集快速复制、格式转换、REST 路径导航、Arthas 诊断命令生成于一身，全面提升开发效率。

⌨️ 快捷键矩阵

右键打开菜单或使用以下快捷键快速操作：

功能	Windows/Linux	macOS
复制引用路径	`Ctrl+Alt+R`	`Cmd+Alt+R`
复制 REST 路径	`Ctrl+Alt+A`	`Cmd+Alt+A`
导航到 Controller	`Ctrl+Alt+N`	`Cmd+Alt+N`
复制为 JSON	`Ctrl+Alt+J`	`Cmd+Alt+J`
复制为 SQL	`Ctrl+Alt+Q`	`Cmd+Alt+Q`
复制 Arthas Vmtool	`Ctrl+Alt+1`	`Cmd+Alt+1`
复制 Arthas TimeTunnel	`Ctrl+Alt+2`	`Cmd+Alt+2`
Arthas 命令库	`Ctrl+Alt+3`	`Cmd+Alt+3`
复制纯文本	`Ctrl+Shift+C`	`Cmd+Shift+C`
粘贴为 Java 字符串	`Ctrl+Shift+V`	`Cmd+Shift+V`

✨ 功能详解

1️⃣ 📌 复制引用路径 (Copy Reference)

提取 Java 全限定路径（包名+类名+方法名），快速复制类和方法的完整引用。

核心功能：一键提取完整的 Java 路径
应用场景：文档注释、日志记录、代码引用
快捷键：Ctrl+Alt+R (Windows) / Cmd+Alt+R (macOS)

2️⃣ 🌐 复制 REST 路径 (Copy REST Full Path)

自动识别并拼接 REST 接口的完整路径。支持三种主流框架：

Spring MVC 风格 ✅

@RequestMapping, @GetMapping, @PostMapping, @PutMapping, @DeleteMapping 等
自动融合类级和方法级路径

JAX-RS 风格 ✅

@Path 注解（类和方法级别）
完整路径自动拼接

Feign Client 风格 ✅

@FeignClient + @RequestMapping 组合
自动识别客户端和接口路径

功能特性：

完整路径拼接：自动融合 Controller 与 Method 层的 Mapping 路径
快捷键：Ctrl+Alt+A (Windows) / Cmd+Alt+A (macOS)

3️⃣ 🎯 导航到 Controller (Navigate to Controller)

输入或粘贴 REST 路径/完整 URL，一键定位对应的 Controller 代码。

核心特性：

智能 URL 解析：支持识别完整 URL（如 http://api.example.com:8080/api/user/list），自动提取 path 部分
多层级匹配：精确匹配 → 前缀匹配 → 路径后缀匹配，提高命中率
缓存加速：首次搜索 3-5 秒，后续搜索 10ms（300-500x 性能提升）
文件自动更新：监听工作区文件变化，自动标记缓存为陈旧
三框架支持：Spring、JAX-RS、Feign 完全兼容
快捷键：Ctrl+Alt+N (Windows) / Cmd+Alt+N (macOS)

4️⃣ 📦 复制为 JSON (Copy as JSON)

将 Java 类或选中的字段转换为 JSON 结构。

功能特性：

自动类型识别：基本类型、集合、日期等自动生成对应的 Mock 值
选区支持：选中字段时只转换选中部分；选中类名时转换全量 JSON
精准类型映射：正确处理 Integer、BigDecimal、Long 等数值类型
动态时间戳 ⏰：Mock 日期/时间字段时，自动使用当前系统时间
性能优化：字段类型解析结果缓存，重复操作性能提升 ~70%
快捷键：Ctrl+Alt+J (Windows) / Cmd+Alt+J (macOS)

5️⃣ 📊 复制为 SQL (Copy as SQL Select)

将 Java 实体类转换为 SQL SELECT 语句。

功能特性：

命名自动转译：智能将驼峰命名（CamelCase）转为下划线命名（snake_case）
表名智能清洗：自动识别并清洗 Entity/DTO/VO/POJO/Bean 后缀，还原真实表名
字段精准过滤：自动剔除 List、Map、Stream、Optional 等非数据库字段，仅保留基础类型
完美容错：即使类中仅包含复杂类型字段，也能正确处理
快捷键：Ctrl+Alt+Q (Windows) / Cmd+Alt+Q (macOS)

示例：

public class UserDTO {
    private String userId;
    private String userName;
    private List<String> roles;  // 自动过滤
}

↓ 转换为 ↓

SELECT user_id, user_name FROM user

6️⃣ 🔧 Arthas 诊断命令

复制 Arthas Vmtool

生成 Arthas vmtool 命令，快速查看和修改内存数据。

自动参数识别：自动识别方法参数类型
中文参数支持：自动转为 Unicode 转义序列（\uXXXX 格式），安全跨环境执行
快捷键：Ctrl+Alt+1 (Windows) / Cmd+Alt+1 (macOS)

复制 Arthas TimeTunnel

生成 Arthas tt 时间隧道命令，记录和回放方法执行。

执行记录：快速生成方法执行记录命令
生产回溯：实现生产现场问题回溯
快捷键：Ctrl+Alt+2 (Windows) / Cmd+Alt+2 (macOS)

Arthas 命令库（59+ 命令）

快速访问完整的 Arthas 诊断命令库，包括：

方法监控 (22 个)

watch, trace, stack, monitor, sm, tt, ognl, getstatic, invoke 等

类检查 (13 个)

jad, sc, classloader, dump, redefine, mbean, search 等

全局监控 (24 个)

sysprop, thread, jvm, dashboard, heapdump, histogram, vmtool, vmoption, perfcounter, profiler 等
快捷键：Ctrl+Alt+3 (Windows) / Cmd+Alt+3 (macOS)

7️⃣ 📄 复制纯文本 (Copy Pure Content)

提取字符串中的纯文本，自动去除转义字符。

转义清理：剥离 \n, \t, \\ 等转义字符
格式净化：将转义后的文本恢复为原始内容
快捷键：Ctrl+Shift+C (Windows) / Cmd+Shift+C (macOS)

8️⃣ 📌 粘贴为 Java 字符串 (Paste as Java String)

智能粘贴为 Java 字符串，自动转义特殊字符。

自动转义：自动转义 ", \\, 换行符等特殊字符
快速粘贴：一键粘贴为标准 Java 字符串
快捷键：Ctrl+Shift+V (Windows) / Cmd+Shift+V (macOS)

🚀 快速开始

第 1 步：卸载旧版本（如有）

如果之前安装了 Advanced Copy for Java，请先卸载以避免快捷键冲突：

在 VSCode 扩展市场搜索 "Advanced Copy for Java"
点击卸载

第 2 步：安装此工具集

搜索 "Java Dev Toolkit"
点击安装

第 3 步：开始使用

打开 Java 文件
右键点击代码位置，选择 Java Dev Toolkit 菜单
或使用上面的快捷键表直接操作

💡 使用建议

场景	推荐方案
日常开发	使用快捷键最快，右键菜单为备选
REST 调试	Copy REST Full Path + Navigate to Controller 配合使用
数据库操作	Copy as SQL Select 快速生成 SQL 模板
性能诊断	Copy Arthas Commands 快速生成诊断命令
代码文档	Copy Reference 快速复制完整引用
JSON 处理	Copy as JSON 快速生成 Mock 数据

📝 版本历史

v1.1.0 (SQL 字段过滤增强) - 最新版 ⭐

复杂类型过滤：增加 Stream、Optional、Supplier、Consumer、Function、Predicate、Comparator 过滤
正则表达式改进：增强字段声明正则，支持注解、volatile 修饰符、嵌套泛型
代码质量：提取公共逻辑到可复用函数（isComplexType、getFieldRegex）
性能优化：通过优化正则表达式提升 SQL 生成性能

v1.0.2 (SQL 字段识别修复)

字段识别改进：改为黑名单机制，只排除 List/Map/Set/Collection/Array 等复杂类型
功能对齐：Copy SQL 现在与 Copy JSON 的字段识别逻辑完全一致
Bug 修复：修复在类名上复制 SQL 时无法识别字段的问题
用户体验：在类名上复制 SQL 现在能正确显示所有字段，而不是 SELECT *

v1.0.1 (菜单名称统一)

菜单名称同步：右键菜单名称从 "JavaDev Copilot" 更新为 "Java Dev Toolkit"
品牌统一：所有UI元素、文档、菜单名称完全对齐
快速开始优化：简化升级说明，只提示卸载 Advanced Copy for Java

v1.0.0 (品牌重塑)

品牌升级：从 JavaDev Copilot 更名为 Java Dev Toolkit
清晰定位：强调工具集合，完全匹配当前和未来的功能规划
功能完整：10 个命令 + 完整快捷键配置 + 单层菜单设计
质量保证：修复了 SQL 字段过滤、菜单结构优化等多个问题

📦 项目信息

发布者: qinlinglong
仓库: https://github.com/qinlinglong/advanced-copy
License: MIT
最小 VSCode 版本: 1.75.0

🎯 核心优势

✨ 专为 Java 开发优化 - 10+ 精选功能，覆盖日常开发全场景

⚡ 极速执行 - 缓存加速，后续搜索 10ms 响应，性能提升 300-500 倍

🔄 多框架支持 - Spring、JAX-RS、Feign 三种主流框架完全兼容

🎨 智能转换 - JSON/SQL 自动识别类型，驼峰/下划线自动转译

🚀 诊断利器 - 59+ Arthas 命令库，快速定位生产问题

享受高效的 Java 开发体验！ 🎉

Java Dev Toolkit

qinlinglong

Java Dev Toolkit

English Version

⌨️ Keyboard Shortcuts Matrix

✨ Features

1️⃣ 📌 Copy Reference

2️⃣ 🌐 Copy REST Full Path

3️⃣ 🎯 Navigate to Controller

4️⃣ 📦 Copy as JSON

5️⃣ 📊 Copy as SQL Select

6️⃣ 🔧 Arthas Diagnostic Commands

Copy Arthas Vmtool

Copy Arthas TimeTunnel

Arthas Command Library (59+ Commands)

7️⃣ 📄 Copy Pure Content

8️⃣ 📌 Paste as Java String

🚀 Getting Started

Step 1: Uninstall Old Version (if installed)

Step 2: Install This Toolkit

Step 3: Start Using

💡 Usage Tips

📝 Version History

v1.1.0 (SQL Field Filtering Enhancement) - Latest ⭐

v1.0.2 (SQL Field Recognition Fix)

v1.0.1 (Menu Name Unification)

v1.0.0 (Brand Rebranding)

📦 Project Info

🎯 Core Advantages

中文版本

⌨️ 快捷键矩阵

✨ 功能详解

1️⃣ 📌 复制引用路径 (Copy Reference)

2️⃣ 🌐 复制 REST 路径 (Copy REST Full Path)

3️⃣ 🎯 导航到 Controller (Navigate to Controller)

4️⃣ 📦 复制为 JSON (Copy as JSON)

5️⃣ 📊 复制为 SQL (Copy as SQL Select)

6️⃣ 🔧 Arthas 诊断命令

复制 Arthas Vmtool

复制 Arthas TimeTunnel

Arthas 命令库（59+ 命令）

7️⃣ 📄 复制纯文本 (Copy Pure Content)

8️⃣ 📌 粘贴为 Java 字符串 (Paste as Java String)

🚀 快速开始

第 1 步：卸载旧版本（如有）

第 2 步：安装此工具集

第 3 步：开始使用

💡 使用建议

📝 版本历史

v1.1.0 (SQL 字段过滤增强) - 最新版 ⭐

v1.0.2 (SQL 字段识别修复)

v1.0.1 (菜单名称统一)

v1.0.0 (品牌重塑)

📦 项目信息

🎯 核心优势