ProductEndpoint.java

package com.someaddress.endpoint;

import com.someaddress.modelo.Product;
import com.someaddress.repository.ProductRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

@Controller
@RequestMapping("/rest/products")
public class ProductEndpoint {
	
	@Autowired
	private ProductRepository productRepository;
	
	@RequestMapping(path = "/{productId}", method = RequestMethod.GET)
	public @ResponseBody Product getProduct(@PathVariable String productId) {
		return productRepository.getOne(productId);
	}
	
	@RequestMapping(path = "/", method = RequestMethod.POST)
	public void saveProduct(@RequestBody @Validated DetailsUpdateIntent intent) {
		Product product = new Product();
		if (intent.getId() != null) {
			product = productRepository.getOne(intent.getId());
		}
		product.handleDetailsUpdate(intent);
		productRepository.save(product);
	}
}