siavash 5bc61c8c28
#1569 DTO pattern implementation using Enums (#1570)
* #1569 DTO pattern implemented using Enums

* #1569 DTO pattern implemented using Enums

* #1569 adding some java docs

* #1569 some changes in java doc and code style

* #1569 some changes in java doc and code style

* #1569 some changes in java doc and code style

* #1569 some changes in java doc and code style

* #1569 adding suggested extra line

* #1569 license added to pom.xml

* #1569 more checkstyle problems resolved

* #1569 more checkstyle problems resolved

* #1569 more checkstyle problems resolved

Co-authored-by: siavashsoleymani <siavash.soleimani@snapp.cab>
Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com>
2020-12-09 12:51:24 +05:30

60 lines
2.4 KiB
Java

package com.iluwatar.datatransferenum;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Data Transfer Object pattern is a design pattern in which an data transfer object is used to
* serve related information together to avoid multiple call for each piece of information.
*
* <p>In this example, ({@link App}) as as product details consumer i.e. client to
* request for product details to server.
*
* <p>productResource ({@link ProductResource}) act as server to serve product information. And
* The productDto ({@link ProductDto} is data transfer object to share product information.
*/
public class App {
private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
/**
* Method as act client and request to server for details.
*
* @param args program argument.
*/
public static void main(String[] args) {
Product tv =
new Product().setId(1L).setName("TV").setSupplier("Sony").setPrice(1000D).setCost(1090D);
Product microwave =
new Product().setId(2L).setName("microwave").setSupplier("Delonghi").setPrice(1000D)
.setCost(1090D);
Product refrigerator =
new Product().setId(3L).setName("refrigerator").setSupplier("Botsch").setPrice(1000D)
.setCost(1090D);
Product airConditioner =
new Product().setId(4L).setName("airConditioner").setSupplier("LG").setPrice(1000D)
.setCost(1090D);
List<Product> products =
new ArrayList<>(Arrays.asList(tv, microwave, refrigerator, airConditioner));
ProductResource productResource = new ProductResource(products);
LOGGER.info("####### List of products including sensitive data just for admins: \n {}",
Arrays.toString(productResource.getAllProductsForAdmin().toArray()));
LOGGER.info("####### List of products for customers: \n {}",
Arrays.toString(productResource.getAllProductsForCustomer().toArray()));
LOGGER.info("####### Going to save Sony PS5 ...");
ProductDto.Request.Create createProductRequestDto = new ProductDto.Request.Create()
.setName("PS5")
.setCost(1000D)
.setPrice(1220D)
.setSupplier("Sony");
productResource.save(createProductRequestDto);
LOGGER.info("####### List of products after adding PS5: {}",
Arrays.toString(productResource.getProducts().toArray()));
}
}