Merge branch 'main' into origin/main

Author: vison.cao

pom.xml

@@ -17,6 +17,12 @@
     </properties>
 
     <dependencies>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.8.6</version>
+            <type>jar</type>
+        </dependency>
         <dependency>
             <groupId>javax.websocket</groupId>
             <artifactId>javax.websocket-api</artifactId>
@@ -50,6 +56,16 @@
             <artifactId>tomcat-websocket</artifactId>
             <version>${tomcat.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.reflections</groupId>
+            <artifactId>reflections</artifactId>
+            <version>0.9.12</version>
+        </dependency>
+        <dependency>
+            <groupId>io.pebbletemplates</groupId>
+            <artifactId>pebble</artifactId>
+            <version>3.1.4</version>
+        </dependency>
     </dependencies>
 
     <build>

readme.md

@@ -0,0 +1 @@
+

src/main/java/com/vison/webmvc/Response.java

@@ -0,0 +1,76 @@
+package com.vison.webmvc;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+import com.vison.webmvc.config.App;
+import java.util.Optional;
+import java.util.HashMap;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+public class Response {
+
+    private int code;
+    private String msg;
+    private Object data;
+    private String _uniq_req_no = App._uniq_req_no;
+
+    public Response(int code, String msg, Object data) {
+        this.code = code;
+        this.msg = msg;
+        this.data = data;
+        if (data == null) {
+            this.data = new HashMap<>();
+        }
+        if (data instanceof Optional) {
+            Optional d = (Optional) data;
+            if (!d.isPresent()) {
+                this.data = new HashMap();
+            }
+        }
+    }
+
+    public Response(int code, String msg) {
+        this.code = code;
+        this.msg = msg;
+        Object d = new HashMap<>();
+        this.data = d;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public void setData(Object data) {
+        this.data = data;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public Object getData() {
+        return data;
+    }
+
+    public String getUniq_req_no() {
+        return App._uniq_req_no;
+    }
+
+    public void setUniq_req_no(String _uniq_req_no) {
+        this._uniq_req_no = _uniq_req_no;
+    }
+
+}

src/main/java/com/vison/webmvc/ResponseCode.java

@@ -0,0 +1,24 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.vison.webmvc;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+public class ResponseCode {
+
+    public static Integer success = 0;
+    public static Integer dbInsertFail = 101;
+    public static Integer parametrErrror = 510;
+
+    /**
+     * 未登录
+     */
+    public static Integer unLogin = 401;
+
+    public static Integer loginFail = 402;
+}

src/main/java/com/vison/webmvc/Test.java

@@ -0,0 +1,36 @@
+package com.vison.webmvc;
+
+import java.lang.reflect.Method;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+public class Test {
+    
+    public static void main(String[] args) throws Exception {
+        Class stdClass = Student.class;
+        Method method = stdClass.getMethod("getScore", String.class);
+        Object obj = stdClass.getDeclaredConstructor().newInstance();
+        System.out.print(method.invoke(obj, "888"));
+    }
+    
+}
+
+class Student extends Person {
+    
+    public int getScore(String type) {
+        return 99;
+    }
+    
+    private int getGrade(int year) {
+        return 1;
+    }
+}
+
+class Person {
+    
+    public String getName() {
+        return "Person";
+    }
+}

src/main/java/com/vison/webmvc/config/App.java

@@ -0,0 +1,12 @@
+package com.vison.webmvc.config;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+public class App {
+
+    public static final String SESSION_USER = "user"; // 用户对象
+    public static String _uniq_req_no = null;
+    public static String OrderNoIncKey = ":order:no";
+}

src/main/java/com/vison/webmvc/config/Log.java

@@ -0,0 +1,86 @@
+package com.vison.webmvc.config;
+
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+public class Log {
+
+    private static String msgTraceNo;
+
+    public static void setMsgTraceNo(String msgTraceNo) {
+        Log.msgTraceNo = msgTraceNo;
+    }
+
+    public static StackTraceElement findCaller() {
+        // 获取堆栈信息
+        StackTraceElement[] callStack = Thread.currentThread().getStackTrace();
+        if (null == callStack) {
+            return null;
+        }
+
+        // 最原始被调用的堆栈信息
+        StackTraceElement caller = null;
+        // 日志类名称
+        String logClassName = Log.class.getName();
+        // 循环遍历到日志类标识
+        boolean isEachLogClass = false;
+
+        // 遍历堆栈信息，获取出最原始被调用的方法信息
+        for (StackTraceElement s : callStack) {
+            // 遍历到日志类
+            if (logClassName.equals(s.getClassName())) {
+                isEachLogClass = true;
+            }
+            // 下一个非日志类的堆栈，就是最原始被调用的方法
+            if (isEachLogClass) {
+                if (!logClassName.equals(s.getClassName())) {
+                    isEachLogClass = false;
+                    caller = s;
+                    break;
+                }
+            }
+        }
+
+        return caller;
+    }
+
+    private static Logger logger() {
+        // 最原始被调用的堆栈对象
+        StackTraceElement caller = findCaller();
+        if (null == caller) {
+            return LogManager.getLogger(Log.class);
+        }
+        Logger log = LogManager.getLogger(caller.getClassName() + "." + caller.getMethodName() + "() Line: " + caller.getLineNumber());
+
+        return log;
+    }
+
+    public static void debug(String msg, Object o) {
+        logger().debug(String.format("%s %s %s", msgTraceNo, msg, o.toString()));
+    }
+
+    public static void debug(String msg) {
+        logger().debug(String.format("%s %s", msgTraceNo, msg));
+    }
+
+    public static void error(String msg, Object o) {
+        logger().error(String.format("%s %s %s", msgTraceNo, msg, o.toString()));
+    }
+
+    public static void error(String msg) {
+        logger().error(String.format("%s %s", msgTraceNo, msg));
+    }
+
+    public static void info(String msg, Object o) {
+        logger().info(String.format("%s %s %s", msgTraceNo, msg, o.toString()));
+    }
+
+    public static void info(String msg) {
+        logger().info(String.format("%s %s", msgTraceNo, msg));
+    }
+
+}

src/main/java/com/vison/webmvc/config/ServletListener.java

@@ -0,0 +1,25 @@
+package com.vison.webmvc.config;
+
+import java.util.UUID;
+import javax.servlet.ServletRequestEvent;
+import javax.servlet.ServletRequestListener;
+import javax.servlet.annotation.WebListener;
+
+/**
+ * Web application lifecycle listener.
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+@WebListener
+public class ServletListener implements ServletRequestListener {
+    
+    @Override
+    public void requestDestroyed(ServletRequestEvent sre) {
+    }
+    
+    @Override
+    public void requestInitialized(ServletRequestEvent sre) {
+        App._uniq_req_no = UUID.randomUUID().toString();
+        Log.setMsgTraceNo(App._uniq_req_no);
+    }
+}

src/main/java/com/vison/webmvc/controller/HelloController.java

@@ -0,0 +1,22 @@
+package com.vison.webmvc.controller;
+
+import com.vison.webmvc.framework.GetMapping;
+import com.vison.webmvc.framework.ViewEngine;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+public class HelloController {
+
+    @GetMapping(path = "/hello")
+    public String hello() throws IOException {
+        Map<String, Object> context = new HashMap<>();
+        context.put("vison", "visonforcoding");
+        return ViewEngine.render("/hello.pebble", context);
+    }
+
+}

src/main/java/com/vison/webmvc/controller/UserController.java

@@ -0,0 +1,34 @@
+package com.vison.webmvc.controller;
+
+import com.vison.webmvc.entity.User;
+import com.vison.webmvc.framework.GetMapping;
+import com.vison.webmvc.Response;
+import com.vison.webmvc.config.Log;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ *
+ * @author vison.cao <visonforcoding@gmail.com>
+ */
+public class UserController {
+
+    public UserController() {
+    }
+
+    @GetMapping(path = "/user/profile")
+    public String profile(HttpServletRequest request, HttpServletResponse response) {
+        System.out.print(request.getCookies());
+        return "i am user profile";
+    }
+
+    @GetMapping(path = "/user")
+    public Response user() {
+        User user = new User();
+        user.setEmail("visonforcoding@gmail.com");
+        user.setName("曹麦穗");
+        Log.debug("request user", user);
+        return new Response(0, "获取成功", user);
+    }
+
+}