Files
spring-boot-rest/spring-web-modules/spring-5-mvc/src/main/java/com/baeldung/web/FooController.java
2021-01-06 11:16:55 +01:00

66 lines
2.1 KiB
Java

package com.baeldung.web;
import java.util.List;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.PageRequest;
import org.springframework.http.HttpStatus;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;
import com.baeldung.model.Foo;
import com.baeldung.persistence.FooRepository;
@RestController
public class FooController {
@Autowired
private FooRepository repo;
// API - read
@GetMapping("/foos/{id}")
@Validated
public Foo findById(@PathVariable @Min(0) final long id) {
return repo.findById(id).orElse(null);
}
@GetMapping("/foos")
public List<Foo> findAll() {
return repo.findAll();
}
@GetMapping( value="/foos", params = { "page", "size" })
@Validated
public List<Foo> findPaginated(@RequestParam("page") @Min(0) final int page, @Max(100) @RequestParam("size") final int size) {
return repo.findAll(PageRequest.of(page, size)).getContent();
}
// API - write
@PutMapping("/foos/{id}")
@ResponseStatus(HttpStatus.OK)
public Foo update(@PathVariable("id") final String id, @RequestBody final Foo foo) {
return foo;
}
@PostMapping("/foos")
@ResponseStatus(HttpStatus.CREATED)
public void create( @RequestBody final Foo foo) {
if (null == foo || null == foo.getName()) {
throw new ResponseStatusException(HttpStatus.BAD_REQUEST," 'name' is required");
}
repo.save(foo);
}
}