ProductController.java

@ApiOperation( value = "Retrieve products" )
@PostMapping
public List<ProductDTO> getAll(
        @Valid ProductQuery query,
        @Valid PageRequestDTO pageRequest,
        HttpServletResponse response )
{
    Page<Product> products = getProducts( query, pageRequest, true );
    setPagedHeaders( response, products );
    return conversionService.convertList( products.getContent(), ProductDTO[].class );
}