#8 -- Add router component. You can access to url's in mvc controllers also in web page templates.

src/main/java/ru/ulstu/extractor/config/MvcConfiguration.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
 package ru.ulstu.extractor.config;
 
 import org.springframework.context.annotation.Configuration;
@@ -5,12 +10,14 @@ import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
 import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
+import static ru.ulstu.extractor.controller.Route.LIST_INDEXED_REPOSITORIES;
+
 @Configuration
 public class MvcConfiguration implements WebMvcConfigurer {
     @Override
     public void addViewControllers(ViewControllerRegistry registry) {
         registry.addViewController("/{articlename:\\w+}");
-        registry.addRedirectViewController("/", "/newRepo");
+        registry.addRedirectViewController("/", LIST_INDEXED_REPOSITORIES);
         registry.addRedirectViewController("/default", "/home");
     }
 

src/main/java/ru/ulstu/extractor/controller/BranchController.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
 package ru.ulstu.extractor.controller;
 
 import org.springframework.stereotype.Controller;
@@ -7,6 +12,8 @@ import org.springframework.web.bind.annotation.RequestParam;
 import ru.ulstu.extractor.repository.BranchRepository;
 import ru.ulstu.extractor.repository.RepositoryRepository;
 
+import static ru.ulstu.extractor.controller.Route.LIST_REPOSITORY_BRANCHES;
+
 @Controller
 public class BranchController {
     private final RepositoryRepository repositoryRepository;
@@ -17,12 +24,12 @@ public class BranchController {
         this.branchRepository = branchRepository;
     }
 
-    @GetMapping("/details")
+    @GetMapping(LIST_REPOSITORY_BRANCHES)
     public String indexBranch(
             Model model,
             @RequestParam int repositoryId) {
         model.addAttribute("branches", branchRepository.findByRepositoryId(repositoryId));
         model.addAttribute("repository", repositoryRepository.findById(repositoryId).get());
-        return "indexBranch";
+        return LIST_REPOSITORY_BRANCHES;
     }
 }

src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
 package ru.ulstu.extractor.controller;
 
 import org.springframework.data.domain.Page;
@@ -18,6 +23,8 @@ import java.util.Optional;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
+import static ru.ulstu.extractor.controller.Route.FILTER_COMMITS;
+
 @Controller
 public class GitFilteringController {
     private final FilteringService filteringService;
@@ -40,7 +47,7 @@ public class GitFilteringController {
         return "resultRepo";
     }*/
 
-    @RequestMapping(value = "/filtering", method = RequestMethod.GET)
+    @RequestMapping(value = FILTER_COMMITS, method = RequestMethod.GET)
     public String listCommits(
             Model model,
             @ModelAttribute FilterForm filterForm,
@@ -64,6 +71,6 @@ public class GitFilteringController {
         filterForm.setBranch(branchName);
         filterForm.setUrl(repositoryUrl);
         model.addAttribute("filterForm", filterForm);
-        return "filtering";
+        return FILTER_COMMITS;
     }
 }

src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
 package ru.ulstu.extractor.controller;
 
 import org.springframework.stereotype.Controller;
@@ -15,6 +20,9 @@ import ru.ulstu.extractor.service.IndexService;
 
 import java.util.List;
 
+import static ru.ulstu.extractor.controller.Route.FILTER_COMMITS;
+import static ru.ulstu.extractor.controller.Route.INDEXING_NEW_REPOSITORY;
+
 @Controller
 public class GitIndexingController {
     private final GitRepositoryService gitRepositoryService;
@@ -26,40 +34,39 @@ public class GitIndexingController {
         this.indexService = indexService;
     }
 
-    @GetMapping("/newRepo")
+    @GetMapping(INDEXING_NEW_REPOSITORY)
     public String indexNewRepo(Model model) {
         model.addAttribute(new RepoForm());
-        return "newRepo";
+        return INDEXING_NEW_REPOSITORY;
     }
 
-    @RequestMapping(value = "/newRepo", method = RequestMethod.POST, params = "send")
+    @RequestMapping(value = INDEXING_NEW_REPOSITORY, method = RequestMethod.POST, params = "send")
     public String getBranch(@ModelAttribute RepoForm repoForm, Model model) {
         try {
             gitRepositoryService.cloneOrUpdateRepo(repoForm.getRepo());
             List<Branch> branches = gitRepositoryService.getBranches(repoForm.getRepo());
             model.addAttribute("branches", branches);
-            return "newRepo";
         } catch (Exception ex) {
             model.addAttribute("error", ex.getMessage());
-            return "newRepo";
         }
+        return INDEXING_NEW_REPOSITORY;
     }
 
-    @RequestMapping(value = "/newRepo", method = RequestMethod.POST, params = "next")
+    @RequestMapping(value = INDEXING_NEW_REPOSITORY, method = RequestMethod.POST, params = "next")
     public String setBranch(@ModelAttribute RepoForm repoForm, Model model, RedirectAttributes redirectAttributes) {
         model.addAttribute("filterForm", new FilterForm(repoForm.getRepo()));
         if (repoForm.getBranch() == null) {
-            return "newRepo";
+            return INDEXING_NEW_REPOSITORY;
         } else {
             try {
                 indexService.index(repoForm.getRepo(), repoForm.getBranch());
             } catch (Exception ex) {
                 model.addAttribute("error", ex.getMessage());
-                return "newRepo";
+                return INDEXING_NEW_REPOSITORY;
             }
             redirectAttributes.addAttribute("repositoryUrl", repoForm.getRepo());
             redirectAttributes.addAttribute("branchName", repoForm.getBranch());
-            return "redirect:/filtering";
+            return "redirect:/" + FILTER_COMMITS;
         }
     }
 }

src/main/java/ru/ulstu/extractor/controller/RepositoryController.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
 package ru.ulstu.extractor.controller;
 
 import org.springframework.stereotype.Controller;
@@ -5,17 +10,19 @@ import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import ru.ulstu.extractor.repository.RepositoryRepository;
 
+import static ru.ulstu.extractor.controller.Route.LIST_INDEXED_REPOSITORIES;
+
 @Controller
-public class BaseIndexingController {
+public class RepositoryController {
     private final RepositoryRepository repositoryRepository;
 
-    public BaseIndexingController(RepositoryRepository repositoryRepository) {
+    public RepositoryController(RepositoryRepository repositoryRepository) {
         this.repositoryRepository = repositoryRepository;
     }
 
-    @GetMapping("/indexRepo")
+    @GetMapping(LIST_INDEXED_REPOSITORIES)
     public String indexNewRepo(Model model) {
         model.addAttribute("repositories", repositoryRepository.findAll());
-        return "indexRepo";
+        return LIST_INDEXED_REPOSITORIES;
     }
 }

src/main/java/ru/ulstu/extractor/controller/Route.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
+package ru.ulstu.extractor.controller;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class Route {
+    public static final String LIST_INDEXED_REPOSITORIES = "listRepositories";
+    public static final String LIST_REPOSITORY_BRANCHES = "listBranches";
+    public static final String INDEXING_NEW_REPOSITORY = "indexNewRepository";
+    public static final String FILTER_COMMITS = "filterCommits";
+
+    public static String getLIST_INDEXED_REPOSITORIES() {
+        return LIST_INDEXED_REPOSITORIES;
+    }
+
+    public static String getLIST_REPOSITORY_BRANCHES() {
+        return LIST_REPOSITORY_BRANCHES;
+    }
+
+    public static String getINDEXING_NEW_REPOSITORY() {
+        return INDEXING_NEW_REPOSITORY;
+    }
+
+    public static String getFILTER_COMMITS() {
+        return FILTER_COMMITS;
+    }
+}

src/main/resources/templates/default.html

@@ -1,3 +1,8 @@
+<!--
+  ~ Copyright (C) 2021 Anton Romanov - All Rights Reserved
+  ~ You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+  -->
+
 <!DOCTYPE html>
 <html lang="ru"
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" xmlns:th="http://www.w3.org/1999/xhtml">
@@ -22,10 +27,12 @@
     <div class="collapse navbar-collapse" id="navbarSupportedContent">
         <ul class="navbar-nav mr-auto">
             <li class="nav-item">
-                <a class="nav-link" href="/" th:text="#{messages.menu.new-repo}">Link</a>
+                <a class="nav-link" th:href="${@route.INDEXING_NEW_REPOSITORY}"
+                   th:text="#{messages.menu.new-repo}">Link</a>
             </li>
             <li class="nav-item">
-                <a class="nav-link" href="/indexRepo" th:text="#{messages.menu.indexed-repos}">Link</a>
+                <a class="nav-link" th:href="${@route.LIST_INDEXED_REPOSITORIES}"
+                   th:text="#{messages.menu.indexed-repos}">Link</a>
             </li>
         </ul>
     </div>

src/main/resources/templates/filterCommits.html

@@ -1,13 +1,18 @@
+<!--
+  ~ Copyright (C) 2021 Anton Romanov - All Rights Reserved
+  ~ You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+  -->
+
 <!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
 <html xmlns:th="http://www.thymeleaf.org"
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
       layout:decorate="~{default}">
 <head>
-    <title>Простая обработка формы на Spring MVC</title>
+    <title>Фильтрация коммитов репозитория</title>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <div class="container" layout:fragment="content">
-    <form action="#" th:action="@{/sendFilter}" th:object="${filterForm}" method="post">
+    <form action="#" th:action="${@route.FILTER_COMMITS}" th:object="${filterForm}" method="post">
         <p><b>Фильтровать данные:</b><Br></p>
         По автору
         <select class="selectpicker" data-live-search="true">

src/main/resources/templates/index.html

@@ -1,32 +0,0 @@
-<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
-<html xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
-      layout:decorate="~{default}">
-<head>
-    <title>Простая обработка формы на Spring MVC</title>
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
-</head>
-<div class="container" layout:fragment="content">
-    <h1>Форма</h1>
-    <form action="#" th:action="@{/sendEmail}" th:object="${emailForm}" method="post">
-        <p style="color:red" th:text="${error}"></p>
-        <table>
-            <tr>
-                <td>Тема:</td>
-                <td><input type="text" th:field="*{subject}"/></td>
-            </tr>
-            <tr>
-                <td>Кому:</td>
-                <td><input type="text" th:field="*{to}"/></td>
-            </tr>
-            <tr>
-                <td>Сообщение:</td>
-                <td><textarea th:field="*{message}"/></td>
-            </tr>
-            <tr>
-                <td colspan="2"><input type="submit" value="Отправить"/></td>
-            </tr>
-        </table>
-    </form>
-</div>
-</html>

src/main/resources/templates/indexNewRepository.html

@@ -1,3 +1,8 @@
+<!--
+  ~ Copyright (C) 2021 Anton Romanov - All Rights Reserved
+  ~ You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+  -->
+
 <!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
 <html xmlns:th="http://www.thymeleaf.org"
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
@@ -7,7 +12,7 @@
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <div class="container" layout:fragment="content">
-    <form action="#" th:action="@{/newRepo}" th:object="${repoForm}" method="post">
+    <form action="#" th:action="${@route.INDEXING_NEW_REPOSITORY}" th:object="${repoForm}" method="post">
         <p style="color:red" th:text="${error}"></p>
         <button class="btn btn-outline-dark dropdown-toggle" type="button" data-toggle="collapse"
                 data-target="#collapseOne" aria-expanded="false" aria-controls="collapseExample"

src/main/resources/templates/listBranches.html

@@ -1,3 +1,8 @@
+<!--
+  ~ Copyright (C) 2021 Anton Romanov - All Rights Reserved
+  ~ You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+  -->
+
 <!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
 <html xmlns:th="http://www.thymeleaf.org"
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
@@ -15,7 +20,8 @@
         </thead>
         <tbody>
         <tr th:each="branch: ${branches}">
-            <td><a th:href="@{'/filtering?branchName='+${branch.name}+'&repositoryUrl='+${repository.url}}"
+            <td>
+                <a th:href="@{${@route.FILTER_COMMITS} + '?branchName='+${branch.name}+'&repositoryUrl='+${repository.url}}"
                    th:text="${branch.name}"/></td>
         </tr>
         </tbody>

src/main/resources/templates/listRepositories.html

@@ -1,3 +1,8 @@
+<!--
+  ~ Copyright (C) 2021 Anton Romanov - All Rights Reserved
+  ~ You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+  -->
+
 <!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
 <html xmlns:th="http://www.thymeleaf.org"
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
@@ -15,7 +20,8 @@
         </thead>
         <tbody>
         <tr th:each="repo: ${repositories}">
-            <td><a th:href="@{'/details?repositoryId='+${repo.id}}" th:text="${repo.url}"></td>
+            <td><a th:href="@{${@route.LIST_REPOSITORY_BRANCHES} + '?repositoryId=' + ${repo.id}}"
+                   th:text="${repo.url}"></a></td>
         </tr>
         </tbody>
     </table>

src/main/resources/templates/resultRepo.html

@@ -1,18 +0,0 @@
-<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
-<html
-        xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
-        layout:decorate="~{default}">
-<head>
-    <title>Простая обработка формы на Spring MVC</title>
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
-</head>
-<div class="container" layout:fragment="content">
-    <body>
-    <form oninput="result">
-        <p>Данные репозитория:</p>
-        <p>
-            <output name="result"></output>
-    </form>
-    </body>
-</div>
-</html>