BAEL-3013 (#8020)

2019-10-14 12:06:25 -04:00
parent 518b50ee98
commit 0286635f39
5 changed files with 170 additions and 0 deletions
--- a/spring-thymeleaf-2/src/main/java/com/baeldung/thymeleaf/pathvariables/Detail.java
+++ b/spring-thymeleaf-2/src/main/java/com/baeldung/thymeleaf/pathvariables/Detail.java
@@ -0,0 +1,28 @@
+package com.baeldung.thymeleaf.pathvariables;
+
+public class Detail {
+    private int id;
+    private String description;
+    
+    public Detail(int id, String description) {
+        super();
+        this.id = id;
+        this.description = description;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }    
+}
--- a/spring-thymeleaf-2/src/main/java/com/baeldung/thymeleaf/pathvariables/Item.java
+++ b/spring-thymeleaf-2/src/main/java/com/baeldung/thymeleaf/pathvariables/Item.java
@@ -0,0 +1,39 @@
+package com.baeldung.thymeleaf.pathvariables;
+
+import java.util.List;
+
+public class Item {
+    private int id;
+    private String name;
+    private List<Detail> details;
+
+    public Item(int id, String name) {
+        super();
+        this.id = id;
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<Detail> getDetails() {
+        return details;
+    }
+
+    public void setDetails(List<Detail> details) {
+        this.details = details;
+    }
+}
--- a/spring-thymeleaf-2/src/main/java/com/baeldung/thymeleaf/pathvariables/PathVariablesController.java
+++ b/spring-thymeleaf-2/src/main/java/com/baeldung/thymeleaf/pathvariables/PathVariablesController.java
@@ -0,0 +1,62 @@
+package com.baeldung.thymeleaf.pathvariables;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+
+@Controller
+public class PathVariablesController {
+    private List<Item> items = new ArrayList<Item>();
+    
+    public PathVariablesController() {
+        Item item1 = new Item(1, "First Item");
+        List<Detail> item1Details = new ArrayList<>();
+        item1Details.add(new Detail(1, "Green"));
+        item1Details.add(new Detail(2, "Large"));
+        item1.setDetails(item1Details);
+        items.add(item1);
+        
+        Item item2 = new Item(2, "Second Item");
+        List<Detail> item2Details = new ArrayList<>();
+        item2Details.add(new Detail(1, "Red"));
+        item2Details.add(new Detail(2, "Medium"));
+        item2.setDetails(item2Details);
+        items.add(item2);
+    }
+
+    @GetMapping("/pathvars")
+    public String start(Model model) {        
+        model.addAttribute("items", items);
+        return "pathvariables/index";
+    }
+    
+    @GetMapping("/pathvars/single/{id}")
+    public String singlePathVariable(@PathVariable("id") int id, Model model) {
+        if (id == 1) {
+            model.addAttribute("item", new Item(1, "First Item"));
+        } else {
+            model.addAttribute("item", new Item(2, "Second Item"));
+        }
+        
+        return "pathvariables/view";
+    }
+    
+    @GetMapping("/pathvars/item/{itemId}/detail/{detailId}")
+    public String multiplePathVariable(@PathVariable("itemId") int itemId, @PathVariable("detailId") int detailId, Model model) {
+        for (Item item : items) {
+            if (item.getId() == itemId) {
+                model.addAttribute("item", item);
+                for (Detail detail : item.getDetails()) {
+                    if (detail.getId() == detailId) {
+                        model.addAttribute("detail", detail);
+                    }
+                }
+            }
+        }
+        return "pathvariables/view";
+    }
+}
--- a/spring-thymeleaf-2/src/main/resources/templates/pathvariables/index.html
+++ b/spring-thymeleaf-2/src/main/resources/templates/pathvariables/index.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+<meta charset="UTF-8">
+<title>PathVariables in Thymeleaf</title>
+</head>
+<body>
+    <h3>Items</h3>
+    <div th:each="item : ${items}">
+        <a th:href="@{/pathvars/single/{id}(id = ${item.id})}">
+            <span th:text="${item.name}"></span>
+        </a>
+        <ul>
+            <li th:each="detail : ${item.details}">
+                <a th:href="@{/pathvars/item/{itemId}/detail/{detailId}(itemId = ${item.id}, detailId = ${detail.id})}">
+                    <span th:text="${detail.description}"></span>
+                </a>
+            </li>
+        </ul>
+    </div>
+</body>
+</html>
--- a/spring-thymeleaf-2/src/main/resources/templates/pathvariables/view.html
+++ b/spring-thymeleaf-2/src/main/resources/templates/pathvariables/view.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+<meta charset="UTF-8">
+<title>Pathvariables in Thymeleaf</title>
+</head>
+<body>
+    <h3>View Item</h3>
+    <div>
+        <label for="name">Name: </label>
+        <span th:text="${item.name}"></span>
+    </div>
+    <h4 th:if="${detail}">Detail</h4>
+    <div th:if="${detail}">
+        <label for="description">Description: </label>
+        <span th:text="${detail.description}"></span>
+    </div>
+</body>
+</html>