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PUT
/
api
/
management
/
categories
/
{id}
Update Category
curl --request PUT \
  --url https://api.example.com/api/management/categories/{id} \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>"
}
'
{
  "success": true,
  "timestamp": "<string>",
  "data": {
    "id": 123,
    "name": "<string>"
  },
  "message": "<string>",
  "error": {}
}

​
Endpoint

PUT /api/management/categories/{id}

​
Authentication

Required: ADMIN role This endpoint requires authentication with an admin user account. Include a valid JWT token in the Authorization header.

​
Request Headers

Authorization: Bearer <token>
Content-Type: application/json

​
Path Parameters

​
id
long
required
The unique identifier of the category to update

​
Request Body

​
name
string
required
Updated name of the categoryValidation:
  • Cannot be blank
  • Must be between 2 and 100 characters

​
Response

​
success
boolean
required
Indicates if the request was successful
​
timestamp
string
required
ISO 8601 timestamp of the response
​
data
object
required
The updated category object
​
id
long
required
Unique identifier for the category
​
name
string
required
Updated name of the category
​
message
string
Optional message
​
error
object
Error details (null on success)

​
Example Request

curl -X PUT "http://localhost:8080/api/management/categories/1" \
  -H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..." \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Literary Fiction"
  }'

​
Example Response

​
Success (200 OK)

{
  "success": true,
  "timestamp": "2026-03-03T10:30:00Z",
  "data": {
    "id": 1,
    "name": "Literary Fiction"
  },
  "message": null,
  "error": null
}

​
Error - Category Not Found (404)

{
  "success": false,
  "timestamp": "2026-03-03T10:30:00Z",
  "data": null,
  "message": null,
  "error": {
    "message": "Category not found with id: 999",
    "details": []
  }
}

​
Error - Validation Failed (400)

{
  "success": false,
  "timestamp": "2026-03-03T10:30:00Z",
  "data": null,
  "message": null,
  "error": {
    "message": "Validation failed",
    "details": [
      "Category name cannot be blank"
    ]
  }
}

​
Error - Unauthorized (401)

{
  "success": false,
  "timestamp": "2026-03-03T10:30:00Z",
  "data": null,
  "message": null,
  "error": {
    "message": "Unauthorized",
    "details": []
  }
}

​
Error - Forbidden (403)

{
  "success": false,
  "timestamp": "2026-03-03T10:30:00Z",
  "data": null,
  "message": null,
  "error": {
    "message": "Access denied. ADMIN role required.",
    "details": []
  }
}

​
Validation Rules

The category name must satisfy the following constraints:
  • Not blank: The name field is required and cannot be empty or contain only whitespace
  • Length: Must be between 2 and 100 characters (inclusive)

​
Source Code Reference

Controller: apps/spring-boot-app/src/main/java/me/seyrek/library_management_system/category/controller/CategoryManagementController.java:29 DTO: apps/spring-boot-app/src/main/java/me/seyrek/library_management_system/category/dto/CategoryUpdateRequest.java:6

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