初步完成简单异常处理

src/main/java/com/codesdream/ase/component/ASESpringUtil.java

@@ -18,4 +18,5 @@ public class ASESpringUtil {
     public <T> T getBean(Class<T> tClass){
         return applicationContext.getBean(tClass);
     }
+
 }

src/main/java/com/codesdream/ase/component/datamanager/DataModelRepositorySearcher.java

@@ -24,6 +24,7 @@ public class DataModelRepositorySearcher {
     private boolean present;
 
     public void getDataModelRepositoryClass(String subSystem, String dataModel){
+        dataModel = doCheckName(dataModel);
         try {
             this.repositoryClass = Class.forName(dataModelFullNameGenerator(subSystem, dataModel));
             this.setPresent(true);
@@ -32,13 +33,21 @@ public class DataModelRepositorySearcher {
         }
     }
 
-    public <T> T getDataModelRepositoryInstance(Class<T> dataModeRepositoryClass) {
+    public <T> T getDataModelRepositoryInstance() {
         if(isPresent()) {
-            return springUtil.getBean(dataModeRepositoryClass);
+            return (T) springUtil.getBean(repositoryClass);
         }
         return null;
     }
 
+
+    public static String doCheckName(String string) {
+        char[] charArray = string.toCharArray();
+        if(Character.isLowerCase(charArray[0])) charArray[0] -= 32;
+        else return string;
+        return String.valueOf(charArray);
+    }
+
     private String dataModelFullNameGenerator(String subSystem, String dataModel){
         return new String(repositoryPath + subSystem + "." + dataModel + "Repository");
     }

src/main/java/com/codesdream/ase/component/datamanager/DataModelSearcher.java

@@ -22,6 +22,7 @@ public class DataModelSearcher {
     private boolean present;
 
     public void getDataModelClass(String subSystem, String dataModel) {
+        dataModel = doCheckName(dataModel);
         try {
             dataModelClass = Class.forName(dataModelFullNameGenerator(subSystem, dataModel));
             this.setPresent(true);
@@ -56,6 +57,13 @@ public class DataModelSearcher {
         return null;
     }
 
+    public static String doCheckName(String string) {
+        char[] charArray = string.toCharArray();
+        if(Character.isLowerCase(charArray[0])) charArray[0] -= 32;
+        else return string;
+        return String.valueOf(charArray);
+    }
+
     private String dataModelFullNameGenerator(String subSystem, String dataModel){
         return new String(modelPath + subSystem + "." + dataModel);
     }

src/main/java/com/codesdream/ase/component/error/ErrorResponse.java

@@ -0,0 +1,22 @@
+package com.codesdream.ase.component.error;
+
+import javax.xml.bind.annotation.XmlRootElement;
+import java.util.List;
+
+@XmlRootElement(name = "error")
+public class ErrorResponse
+{
+    public ErrorResponse(String message, List<String> details) {
+        super();
+        this.message = message;
+        this.details = details;
+    }
+
+    //General error message about nature of error
+    private String message;
+
+    //Specific errors in API request processing
+    private List<String> details;
+
+    //Getter and setters
+}

src/main/java/com/codesdream/ase/controller/ASEControllerAdvice.java

@@ -0,0 +1,23 @@
+package com.codesdream.ase.controller;
+
+import com.codesdream.ase.component.error.ErrorResponse;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.context.request.WebRequest;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@ControllerAdvice
+public class ASEControllerAdvice {
+    @ExceptionHandler(value = {RuntimeException.class})
+    public final ResponseEntity<Object> handleRuntimeException(RuntimeException e, WebRequest webRequest){
+        List<String> details = new ArrayList<>();
+        details.add(e.getLocalizedMessage());
+        ErrorResponse errorResponse = new ErrorResponse("Runtime Error", details);
+        return new ResponseEntity<>(errorResponse, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+
+}

src/main/java/com/codesdream/ase/controller/ASEErrorController.java

@@ -1,26 +1,44 @@
 package com.codesdream.ase.controller;
 
+import com.codesdream.ase.component.error.ErrorResponse;
 import org.springframework.boot.web.servlet.error.ErrorController;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.context.request.WebRequest;
 
 import javax.servlet.http.HttpServletRequest;
+import java.util.ArrayList;
+import java.util.List;
 
 @Controller
 public class ASEErrorController implements ErrorController {
-
     @RequestMapping("/error")
     public String handleError(HttpServletRequest request, Model model){
         Integer statusCode = (Integer) request.getAttribute("javax.servlet.error.status_code");
         Exception exception = (Exception) request.getAttribute("javax.servlet.error.exception");
 
         // 页面未找到
-        if(statusCode == 404){
+        if(statusCode == HttpStatus.NOT_FOUND.value()){
             return "not_found";
         }
+        model.addAttribute("http_status", statusCode);
+        model.addAttribute("exception_name", exception.getClass().getName());
+        model.addAttribute("exception_message", exception.getMessage());
+        List<String> stack_infos = new ArrayList<>();
+
+        for(StackTraceElement element : exception.getStackTrace()){
+            String s = element.toString();
+            stack_infos.add(s);
+        }
+        model.addAttribute("error_stack", stack_infos);
 
         return "error";
+
     }
 
     @Override

src/main/java/com/codesdream/ase/controller/DataManagerController.java

@@ -1,5 +1,8 @@
 package com.codesdream.ase.controller;
 
+import com.codesdream.ase.component.ASESpringUtil;
+import com.codesdream.ase.component.datamanager.DataModelRepositorySearcher;
+import com.codesdream.ase.component.datamanager.DataModelSearcher;
 import org.apache.catalina.core.ApplicationContext;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -10,31 +13,28 @@ import org.w3c.dom.Entity;
 import javax.annotation.Resource;
 import java.lang.reflect.Array;
 import java.lang.reflect.Field;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
 
 @Controller
 @RequestMapping(value = "/database")
 public class DataManagerController {
 
+    @Resource
+    ASESpringUtil springUtil;
+
     @RequestMapping(value = "{subSystem}/{dataModel}/query")
-    private String queryView(Model model, @PathVariable String dataModel, @PathVariable String subSystem)
+    private String queryView(Model model, @PathVariable String dataModel, @PathVariable String subSystem) {
-            throws InstantiationException, IllegalAccessException, ClassNotFoundException {
+        DataModelRepositorySearcher dataModelRepositorySearcher = springUtil.getBean(DataModelRepositorySearcher.class);
-        String dataModelFullName = "com.codesdream.ase.model." + subSystem + "." + dataModel;
+        DataModelSearcher dataModelSearcher = springUtil.getBean(DataModelSearcher.class);
-        String repositoryFullName = "com.codesdream.ase.repository." + subSystem + "." + dataModel + "Repository";
+
-        try {
+        dataModelSearcher.getDataModelClass(subSystem, dataModel);
-            Class<?> entityModelClass = Class.forName(dataModelFullName);
+        if(!dataModelSearcher.isPresent()){
-            Collection<String> paramArgs = new ArrayList<>();
+            throw new RuntimeException("Data Model Not Found");
-            for(Field field :entityModelClass.getDeclaredFields()){
-                paramArgs.add(field.getName());
         }
-            model.addAttribute("paramArgs", paramArgs);
+        dataModelRepositorySearcher.getDataModelRepositoryClass(subSystem, dataModel);
-            Object entityModel = entityModelClass.newInstance();
+        if(!dataModelRepositorySearcher.isPresent()){
-        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
+            throw new RuntimeException("Data Model Repository Not Found");
-            throw e;
         }
-        return null;
+        return "query";
     }
 }

src/main/java/com/codesdream/ase/test/DataManagerTest.java

@@ -1,7 +1,9 @@
 package com.codesdream.ase.test;
 
 import com.codesdream.ase.component.ASESpringUtil;
+import com.codesdream.ase.component.datamanager.DataModelRepositorySearcher;
 import com.codesdream.ase.component.datamanager.DataModelSearcher;
+import com.codesdream.ase.repository.permission.UserRepository;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -31,6 +33,12 @@ public class DataManagerTest {
 
     @Test
     public void  dataModelRepositorySearcherTest(){
+        DataModelRepositorySearcher dataModelRepositorySearcher =
+                springUtil.getBean(DataModelRepositorySearcher.class);
+
+        dataModelRepositorySearcher.getDataModelRepositoryClass("permission", "User");
+        Assert.assertTrue(dataModelRepositorySearcher.isPresent());
+        UserRepository userRepository = dataModelRepositorySearcher.getDataModelRepositoryInstance();
 
     }
 

src/main/resources/templates/error.html

@@ -12,6 +12,78 @@
 	  <h1><font color="#FFFFFF">Error</font></h1>
 	</div>
 
+	<div class="container-fluid">
+		<div class="row-fluid">
+			<div class="span12">
+				<h2>
+					检测到异常发生
+				</h2>
+				<p>
+					<strong><strong>当服务器端程序内部某个模块抛出异常时，该界面就会被显示。此次异常的简要信息已被异常管理子系统收集并概括如下表：</strong></strong>
+				</p>
+				<table class="table table-bordered">
+					<thead>
+					<tr>
+						<th>
+							编号
+						</th>
+						<th>
+							信息项
+						</th>
+						<th>
+							值
+						</th>
+					</tr>
+					</thead>
+					<tbody>
+					<tr>
+						<td>
+							0
+						</td>
+						<td>
+							服务器返回HTTP状态
+						</td>
+						<td th:text="${http_status}">
+
+						</td>
+					</tr>
+					<tr>
+						<td>
+							1
+						</td>
+						<td>
+							抛出的异常类型
+						</td>
+						<td th:text="${exception_name}">
+
+						</td>
+					</tr>
+
+					<tr>
+						<td>
+							2
+						</td>
+						<td>
+							异常附带消息
+						</td>
+						<td th:text="${exception_message}">
+
+						</td>
+					</tr>
+
+
+					</tbody>
+				</table>
+				<h3>
+					运行栈相关信息补充
+				</h3>
+				<p th:each="line : ${error_stack}">
+					<span th:text="${line}"></span>
+				</p>
+			</div>
+		</div>
+	</div>
+	
 	
 	
 </body>

src/main/resources/templates/query.html

@@ -0,0 +1,11 @@
+<!doctype html>
+<html lang="en"
+      xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+
+</body>
+</html>