From 97c69cfaa84659e993e5384e75f58b873219cbd2 Mon Sep 17 00:00:00 2001 From: djmil Date: Sat, 22 Jul 2023 15:11:34 +0200 Subject: [PATCH] restore GET --- .obsidian/workspace.json | 186 --------------------------------------- Get.md | 53 +++++++++++ 2 files changed, 53 insertions(+), 186 deletions(-) delete mode 100644 .obsidian/workspace.json create mode 100644 Get.md diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json deleted file mode 100644 index 4077ec9..0000000 --- a/.obsidian/workspace.json +++ /dev/null @@ -1,186 +0,0 @@ -{ - "main": { - "id": "bfa6b0eb76264f17", - "type": "split", - "children": [ - { - "id": "91a95d9b9ba4dc49", - "type": "tabs", - "children": [ - { - "id": "a3660fdf5f5aceb3", - "type": "leaf", - "state": { - "type": "markdown", - "state": { - "file": "Home.md", - "mode": "source", - "source": false - } - } - }, - { - "id": "ca75671fa123bc88", - "type": "leaf", - "state": { - "type": "markdown", - "state": { - "file": "Home.md", - "mode": "source", - "source": false - } - } - } - ], - "currentTab": 1 - } - ], - "direction": "vertical" - }, - "left": { - "id": "5eaa206d99edb028", - "type": "split", - "children": [ - { - "id": "d007c720b5e598a0", - "type": "tabs", - "children": [ - { - "id": "03171174265e0ee5", - "type": "leaf", - "state": { - "type": "file-explorer", - "state": { - "sortOrder": "alphabetical" - } - } - }, - { - "id": "f78dd3c57a1694ca", - "type": "leaf", - "state": { - "type": "search", - "state": { - "query": "", - "matchingCase": false, - "explainSearch": false, - "collapseAll": false, - "extraContext": false, - "sortOrder": "alphabetical" - } - } - }, - { - "id": "ef97ee1190cc8880", - "type": "leaf", - "state": { - "type": "bookmarks", - "state": {} - } - } - ] - } - ], - "direction": "horizontal", - "width": 249.5 - }, - "right": { - "id": "3bd78c465d2a2030", - "type": "split", - "children": [ - { - "id": "e39fc11f28834b41", - "type": "tabs", - "children": [ - { - "id": "e0d70c2f91ae0cfb", - "type": "leaf", - "state": { - "type": "backlink", - "state": { - "file": "Home.md", - "collapseAll": false, - "extraContext": false, - "sortOrder": "alphabetical", - "showSearch": false, - "searchQuery": "", - "backlinkCollapsed": false, - "unlinkedCollapsed": true - } - } - }, - { - "id": "11cce84d7b97ddc8", - "type": "leaf", - "state": { - "type": "outgoing-link", - "state": { - "file": "Home.md", - "linksCollapsed": false, - "unlinkedCollapsed": true - } - } - }, - { - "id": "f8f2ce3f2694f545", - "type": "leaf", - "state": { - "type": "tag", - "state": { - "sortOrder": "frequency", - "useHierarchy": true - } - } - }, - { - "id": "58d34025bb119389", - "type": "leaf", - "state": { - "type": "outline", - "state": { - "file": "Home.md" - } - } - } - ], - "currentTab": 3 - } - ], - "direction": "horizontal", - "width": 300 - }, - "left-ribbon": { - "hiddenItems": { - "switcher:Open quick switcher": false, - "graph:Open graph view": false, - "canvas:Create new canvas": false, - "daily-notes:Open today's daily note": false, - "templates:Insert template": false, - "command-palette:Open command palette": false - } - }, - "active": "ca75671fa123bc88", - "lastOpenFiles": [ - "Pagination.md", - "Home.md", - "Database.md", - "Post.md", - "GET.md", - "Get.md", - "assets/Pasted image 20230721100304.png", - "IntegrationTests.md", - "UnitTests.md", - "assets/Pasted image 20230719152007.png", - "Pasted image 20230719102301.png", - "assets/Pasted image 20230719102322.png", - "assets", - "Pasted image 20230718185450.png", - "testPage.md", - "subfolder/Note1.md", - "_Sidebar.md", - "tests%252FSubpage.md.-.md", - "subfolder.md", - "subfolder%5C%2Fp2.md", - "subfolder" - ] -} \ No newline at end of file diff --git a/Get.md b/Get.md new file mode 100644 index 0000000..8497cdf --- /dev/null +++ b/Get.md @@ -0,0 +1,53 @@ +`src/main/java/djmil/cashcard/CashCardController.java` + +```java +package example.cashcard; + +import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +@RestController +public class CashCardController { + @GetMapping("/cashcards/{requestedId}") + public ResponseEntity findById(@PathVariable Long requestedId) { + if (requestedId.equals(99L)) { + CashCard cashCard = new CashCard(99L, 123.45); + return ResponseEntity.ok(cashCard); + } else { + return ResponseEntity.notFound().build(); + } + } +} +``` + +# @GetMapping + +Needs the URI Path and tells Spring to route `GET` requests strictly to the `findById` method. + +## Alternative variant for providing URI mapping for `@RestConttroller` + +```java +@RestController +@RequestMapping("/cashcards") +public class CashCardController { + + @GetMapping("/{requestedId}") + public ResponseEntity findById() { +``` + +# @PathVariable + +Spring needs to know how to get the value of the `requestedId` parameter. This is done using the `@PathVariable` annotation. The fact that the parameter name matches the `{requestedId}` text *(URI Path)* within the `@GetMapping` parameter allows Spring to assign (inject) the correct value to the `requestedId` variable. + +# ResponseEntity + +REST says that the Response needs to contain a Cash Card in its body, and a Response code of 200 (OK). Spring Web provides the `ResponseEntity` class for this purpose. It also provides several utility methods to produce Response Entities. Here `ResponseEntity` used to create a Response with code **200 (OK)**, and a body containing a `CashCard`. + +# Testing + +Testing `GET` and other REST request is considerate to be [[IntegrationTests]]. + +Also, after running the application, you can use browser (or any other web-testing tool) by visiting http://localhost:8080/cashcards/99 \ No newline at end of file