Spring MVC Tutorial

Core Spring MVC

Spring MVC - Annotation

Spring MVC - Form Handling

Spring MVC with JSTL

Spring MVC with REST API

Spring MVC with Database

How to Extract TV Show Details via REST API and Spring MVC?

Extracting TV show details via a REST API using Spring MVC typically involves calling an external API that provides TV show information and then displaying it in your Spring MVC application.

For this example, let's assume you're using the TVmaze API, a free API for TV show data.

1. Set Up Your Spring Boot Project:

Use Spring Initializr to create a new Spring Boot project with the following dependencies:

  • Spring Web
  • Spring Boot DevTools (optional, for hot reloads)

2. Create a DTO (Data Transfer Object) for the TV Show:

This object will map the JSON response from the TVmaze API to a Java object.

public class TvShow {
    private Long id;
    private String name;
    private String language;
    private String summary;

    // Constructors, getters, setters...
}

3. Create a Service to Fetch the Data:

@Service
public class TvShowService {

    private final RestTemplate restTemplate;

    @Autowired
    public TvShowService(RestTemplateBuilder restTemplateBuilder) {
        this.restTemplate = restTemplateBuilder.build();
    }

    public TvShow getTvShowByName(String name) {
        String apiUrl = "https://api.tvmaze.com/singlesearch/shows?q=" + name;
        return restTemplate.getForObject(apiUrl, TvShow.class);
    }
}

4. Create a Controller to Handle User Requests:

@Controller
@RequestMapping("/tvshow")
public class TvShowController {

    @Autowired
    private TvShowService tvShowService;

    @GetMapping("/{name}")
    public String getTvShowByName(@PathVariable String name, Model model) {
        TvShow tvShow = tvShowService.getTvShowByName(name);
        model.addAttribute("tvShow", tvShow);
        return "tvshowDetails";  // This is the name of the view/template
    }
}

5. Create a View to Display the TV Show Details:

If using Thymeleaf, create a file named tvshowDetails.html in src/main/resources/templates.

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title th:text="${tvShow.name}"></title>
</head>
<body>

<h2 th:text="${tvShow.name}"></h2>
<p>Language: <span th:text="${tvShow.language}"></span></p>
<div th:utext="${tvShow.summary}"></div>

</body>
</html>

6. Run the Application:

Start the Spring Boot application. Navigate to http://localhost:8080/tvshow/{name} where {name} is the name of a TV show, e.g., http://localhost:8080/tvshow/breaking bad. You should see details of the TV show displayed.

Note:

  • Remember to handle cases where the TV show is not found or the API is unavailable.
  • You might also want to cache results using Spring's caching mechanisms to avoid unnecessary repeated API calls.
  • Always be aware of rate limits and terms of use when working with external APIs.
  1. How to fetch TV show data using REST API in Spring:

    Description: Fetching TV show data using a REST API in Spring involves creating a Spring MVC controller that interacts with a TV show API to retrieve information.

    Code snippet (Java):

    @Controller
    @RequestMapping("/tvshows")
    public class TVShowController {
    
        @Autowired
        private TVShowService tvShowService;
    
        @GetMapping("/details/{id}")
        public String getTVShowDetails(@PathVariable("id") Long showId, Model model) {
            // Fetch TV show details from the service
            TVShowDetails showDetails = tvShowService.getTVShowDetails(showId);
    
            // Add show details to the model
            model.addAttribute("showDetails", showDetails);
    
            // Returning the view name
            return "tvShowDetailsView";
        }
    }
    
  2. Building a Spring MVC application to retrieve TV show information:

    Description: Building a Spring MVC application involves creating a project, setting up configurations, and implementing controllers to retrieve TV show information from a REST API.

    Code snippet (Java):

    @Controller
    @RequestMapping("/tvshows")
    public class TVShowController {
    
        @Autowired
        private TVShowService tvShowService;
    
        @GetMapping("/list")
        public String getAllTVShows(Model model) {
            // Fetch all TV shows from the service
            List<TVShow> tvShows = tvShowService.getAllTVShows();
    
            // Add TV shows to the model
            model.addAttribute("tvShows", tvShows);
    
            // Returning the view name
            return "tvShowListView";
        }
    }
    
  3. Extracting TV show details with Spring MVC and RESTful service:

    Description: Extracting TV show details involves creating a Spring MVC controller that communicates with a RESTful service to get specific details about a TV show.

    Code snippet (Java):

    @Controller
    @RequestMapping("/tvshows")
    public class TVShowController {
    
        @Autowired
        private TVShowService tvShowService;
    
        @GetMapping("/details/{id}")
        public String getTVShowDetails(@PathVariable("id") Long showId, Model model) {
            // Fetch TV show details from the service
            TVShowDetails showDetails = tvShowService.getTVShowDetails(showId);
    
            // Add show details to the model
            model.addAttribute("showDetails", showDetails);
    
            // Returning the view name
            return "tvShowDetailsView";
        }
    }
    
  4. Consuming TV show API with Spring MVC:

    Description: Consuming a TV show API with Spring MVC involves creating a service class that uses RestTemplate or WebClient to make HTTP requests to the TV show API.

    Code snippet (Java):

    @Service
    public class TVShowService {
    
        private final String TV_SHOW_API_BASE_URL = "https://api.tvmaze.com/shows/";
    
        private final RestTemplate restTemplate;
    
        @Autowired
        public TVShowService(RestTemplate restTemplate) {
            this.restTemplate = restTemplate;
        }
    
        public TVShowDetails getTVShowDetails(Long showId) {
            // Make a GET request to the TV show API
            return restTemplate.getForObject(TV_SHOW_API_BASE_URL + showId, TVShowDetails.class);
        }
    }
    
  5. Retrieving TV show data using Spring MVC RESTful web service:

    Description: Retrieving TV show data using a Spring MVC RESTful web service involves creating a controller that returns JSON or XML responses based on client requests.

    Code snippet (Java):

    @RestController
    @RequestMapping("/api/tvshows")
    public class TVShowRestController {
    
        @Autowired
        private TVShowService tvShowService;
    
        @GetMapping("/details/{id}")
        public ResponseEntity<TVShowDetails> getTVShowDetails(@PathVariable("id") Long showId) {
            // Fetch TV show details from the service
            TVShowDetails showDetails = tvShowService.getTVShowDetails(showId);
    
            // Returning the details with HTTP status
            return new ResponseEntity<>(showDetails, HttpStatus.OK);
        }
    }
    
  6. Example project for extracting TV show details with Spring MVC:

    Description: An example project demonstrates the complete process of setting up a Spring MVC application, fetching TV show details, and rendering them in a view.

    Code snippet (Java):

    @Controller
    @RequestMapping("/example")
    public class ExampleController {
    
        @Autowired
        private TVShowService tvShowService;
    
        @GetMapping("/showDetails/{id}")
        public String showDetails(@PathVariable("id") Long showId, Model model) {
            // Fetch TV show details from the service
            TVShowDetails showDetails = tvShowService.getTVShowDetails(showId);
    
            // Add show details to the model
            model.addAttribute("showDetails", showDetails);
    
            // Returning the view name
            return "showDetailsView";
        }
    }
    
  7. Integrating REST API in Spring MVC for TV show details:

    Description: Integrating a REST API in Spring MVC for TV show details involves creating a controller that interacts with a RESTful service to retrieve and display information.

    Code snippet (Java):

    @Controller
    @RequestMapping("/integration")
    public class IntegrationController {
    
        @Autowired
        private TVShowService tvShowService;
    
        @GetMapping("/showInfo/{id}")
        public String showInfo(@PathVariable("id") Long showId, Model model) {
            // Fetch TV show details from the service
            TVShowDetails showDetails = tvShowService.getTVShowDetails(showId);
    
            // Add show details to the model
            model.addAttribute("showDetails", showDetails);
    
            // Returning the view name
            return "showInfoView";
        }
    }
    
  8. Fetching TV show information with Spring MVC and RESTful endpoints:

    Description: Fetching TV show information with Spring MVC and RESTful endpoints involves creating controller methods that respond to different HTTP methods and return TV show data.

    Code snippet (Java):

    @Controller
    @RequestMapping("/fetch")
    public class FetchController {
    
        @Autowired
        private TVShowService tvShowService;
    
        @GetMapping("/details/{id}")
        public String getDetails(@PathVariable("id") Long showId, Model model) {
            // Fetch TV show details from the service
            TVShowDetails showDetails = tvShowService.getTVShowDetails(showId);
    
            // Add show details to the model
            model.addAttribute("showDetails", showDetails);
    
            // Returning the view name
            return "detailsView";
        }
    }