Cloud-Native Applications in Java

Updating a product

Here, instead of POST, we will use a PUT method indicating the ID of the product to be updated in the URL pattern. Like the POST method, the details of the product to be updated are provided in the @RequestBody annotation:

@RequestMapping(value="/product/{id}", method = RequestMethod.PUT) ResponseEntity<Product> updateProduct(@PathVariable("id") int id, @RequestBody Product product) { // First fetch an existing product and then modify it. Product existingProduct = prodRepo.findOne(id); // Now update it back existingProduct.setCatId(product.getCatId()); existingProduct.setName(product.getName()); Product savedProduct = prodRepo.save(existingProduct) ; // Return the updated product with status ok return new ResponseEntity<Product>(savedProduct, ...