├── README.md
├── pom.xml
└── src
    ├── main
        ├── java
        │   └── com
        │   │   └── javatechie
        │   │       └── crud
        │   │           └── example
        │   │               ├── SpringBootCrudExample2Application.java
        │   │               ├── controller
        │   │                   └── ProductController.java
        │   │               ├── entity
        │   │                   └── Product.java
        │   │               ├── repository
        │   │                   └── ProductRepository.java
        │   │               └── service
        │   │                   └── ProductService.java
        └── resources
        │   ├── application.properties
        │   └── application.yml
    └── test
        └── java
            └── com
                └── javatechie
                    └── crud
                        └── example
                            └── SpringBootCrudExample2ApplicationTests.java


/README.md:
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1 | # spring-boot-crud-example


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/pom.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 3 | 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 4 | 	<modelVersion>4.0.0</modelVersion>
 5 | 	<parent>
 6 | 		<groupId>org.springframework.boot</groupId>
 7 | 		<artifactId>spring-boot-starter-parent</artifactId>
 8 | 		<version>2.2.4.RELEASE</version>
 9 | 		<relativePath/> <!-- lookup parent from repository -->
10 | 	</parent>
11 | 	<groupId>com.javatechie</groupId>
12 | 	<artifactId>spring-boot-crud-example-2</artifactId>
13 | 	<version>0.0.1-SNAPSHOT</version>
14 | 	<name>spring-boot-crud-example-2</name>
15 | 	<description>Demo project for Spring Boot</description>
16 | 
17 | 	<properties>
18 | 		<java.version>1.8</java.version>
19 | 	</properties>
20 | 
21 | 	<dependencies>
22 | 		<dependency>
23 | 			<groupId>org.springframework.boot</groupId>
24 | 			<artifactId>spring-boot-starter-data-jpa</artifactId>
25 | 		</dependency>
26 | 		<dependency>
27 | 			<groupId>org.springframework.boot</groupId>
28 | 			<artifactId>spring-boot-starter-web</artifactId>
29 | 		</dependency>
30 | 
31 | 		<dependency>
32 | 			<groupId>mysql</groupId>
33 | 			<artifactId>mysql-connector-java</artifactId>
34 | 			<scope>runtime</scope>
35 | 		</dependency>
36 | 		<dependency>
37 | 			<groupId>org.projectlombok</groupId>
38 | 			<artifactId>lombok</artifactId>
39 | 			<optional>true</optional>
40 | 		</dependency>
41 | 		<dependency>
42 | 			<groupId>org.springframework.boot</groupId>
43 | 			<artifactId>spring-boot-starter-test</artifactId>
44 | 			<scope>test</scope>
45 | 			<exclusions>
46 | 				<exclusion>
47 | 					<groupId>org.junit.vintage</groupId>
48 | 					<artifactId>junit-vintage-engine</artifactId>
49 | 				</exclusion>
50 | 			</exclusions>
51 | 		</dependency>
52 | 	</dependencies>
53 | 
54 | 	<build>
55 | 		<plugins>
56 | 			<plugin>
57 | 				<groupId>org.springframework.boot</groupId>
58 | 				<artifactId>spring-boot-maven-plugin</artifactId>
59 | 			</plugin>
60 | 		</plugins>
61 | 	</build>
62 | 
63 | </project>
64 | 


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/src/main/java/com/javatechie/crud/example/SpringBootCrudExample2Application.java:
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 1 | package com.javatechie.crud.example;
 2 | 
 3 | import org.springframework.boot.SpringApplication;
 4 | import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 | 
 6 | @SpringBootApplication
 7 | public class SpringBootCrudExample2Application {
 8 | 
 9 | 	public static void main(String[] args) {
10 | 		SpringApplication.run(SpringBootCrudExample2Application.class, args);
11 | 	}
12 | 
13 | }
14 | 


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/src/main/java/com/javatechie/crud/example/controller/ProductController.java:
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 1 | package com.javatechie.crud.example.controller;
 2 | 
 3 | import com.javatechie.crud.example.entity.Product;
 4 | import com.javatechie.crud.example.service.ProductService;
 5 | import org.springframework.beans.factory.annotation.Autowired;
 6 | import org.springframework.web.bind.annotation.*;
 7 | 
 8 | import java.util.List;
 9 | 
10 | @RestController
11 | public class ProductController {
12 | 
13 |     @Autowired
14 |     private ProductService service;
15 | 
16 |     @PostMapping("/addProduct")
17 |     public Product addProduct(@RequestBody Product product) {
18 |         return service.saveProduct(product);
19 |     }
20 | 
21 |     @PostMapping("/addProducts")
22 |     public List<Product> addProducts(@RequestBody List<Product> products) {
23 |         return service.saveProducts(products);
24 |     }
25 | 
26 |     @GetMapping("/products")
27 |     public List<Product> findAllProducts() {
28 |         return service.getProducts();
29 |     }
30 | 
31 |     @GetMapping("/productById/{id}")
32 |     public Product findProductById(@PathVariable int id) {
33 |         return service.getProductById(id);
34 |     }
35 | 
36 |     @GetMapping("/product/{name}")
37 |     public Product findProductByName(@PathVariable String name) {
38 |         return service.getProductByName(name);
39 |     }
40 | 
41 |     @PutMapping("/update")
42 |     public Product updateProduct(@RequestBody Product product) {
43 |         return service.updateProduct(product);
44 |     }
45 | 
46 |     @DeleteMapping("/delete/{id}")
47 |     public String deleteProduct(@PathVariable int id) {
48 |         return service.deleteProduct(id);
49 |     }
50 | }
51 | 


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/src/main/java/com/javatechie/crud/example/entity/Product.java:
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 1 | package com.javatechie.crud.example.entity;
 2 | 
 3 | import lombok.AllArgsConstructor;
 4 | import lombok.Data;
 5 | import lombok.NoArgsConstructor;
 6 | 
 7 | import javax.persistence.Entity;
 8 | import javax.persistence.GeneratedValue;
 9 | import javax.persistence.Id;
10 | import javax.persistence.Table;
11 | 
12 | @Data
13 | @AllArgsConstructor
14 | @NoArgsConstructor
15 | @Entity
16 | @Table(name = "PRODUCT_TBL")
17 | public class Product {
18 | 
19 |     @Id
20 |     @GeneratedValue
21 |     private int id;
22 |     private String name;
23 |     private int quantity;
24 |     private double price;
25 | }
26 | 


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/src/main/java/com/javatechie/crud/example/repository/ProductRepository.java:
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 1 | package com.javatechie.crud.example.repository;
 2 | 
 3 | import com.javatechie.crud.example.entity.Product;
 4 | import org.springframework.data.jpa.repository.JpaRepository;
 5 | 
 6 | public interface ProductRepository extends JpaRepository<Product,Integer> {
 7 |     Product findByName(String name);
 8 | }
 9 | 
10 | 


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/src/main/java/com/javatechie/crud/example/service/ProductService.java:
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 1 | package com.javatechie.crud.example.service;
 2 | 
 3 | import com.javatechie.crud.example.entity.Product;
 4 | import com.javatechie.crud.example.repository.ProductRepository;
 5 | import org.springframework.beans.factory.annotation.Autowired;
 6 | import org.springframework.stereotype.Service;
 7 | 
 8 | import java.util.List;
 9 | 
10 | @Service
11 | public class ProductService {
12 |     @Autowired
13 |     private ProductRepository repository;
14 | 
15 |     public Product saveProduct(Product product) {
16 |         return repository.save(product);
17 |     }
18 | 
19 |     public List<Product> saveProducts(List<Product> products) {
20 |         return repository.saveAll(products);
21 |     }
22 | 
23 |     public List<Product> getProducts() {
24 |         return repository.findAll();
25 |     }
26 | 
27 |     public Product getProductById(int id) {
28 |         return repository.findById(id).orElse(null);
29 |     }
30 | 
31 |     public Product getProductByName(String name) {
32 |         return repository.findByName(name);
33 |     }
34 | 
35 |     public String deleteProduct(int id) {
36 |         repository.deleteById(id);
37 |         return "product removed !! " + id;
38 |     }
39 | 
40 |     public Product updateProduct(Product product) {
41 |         Product existingProduct = repository.findById(product.getId()).orElse(null);
42 |         existingProduct.setName(product.getName());
43 |         existingProduct.setQuantity(product.getQuantity());
44 |         existingProduct.setPrice(product.getPrice());
45 |         return repository.save(existingProduct);
46 |     }
47 | 
48 | 
49 | }
50 | 


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/src/main/resources/application.properties:
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1 | spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
2 | spring.datasource.url = jdbc:mysql://localhost:3306/javatechie
3 | spring.datasource.username = root
4 | spring.datasource.password = Password
5 | spring.jpa.show-sql = true
6 | spring.jpa.hibernate.ddl-auto = update
7 | spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
8 | server.port=9191
9 | 


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/src/main/resources/application.yml:
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 1 | #spring:
 2 | #  datasource:
 3 | #    username: root
 4 | #    password: password
 5 | #    url: jdbc:mysql://localhost:3306/javatechie
 6 | #    driver-class-name: com.mysql.cj.jdbc.Driver
 7 | #  jpa:
 8 | #    show-sql: true
 9 | #    hibernate:
10 | #      ddl-auto: update
11 | #    properties.hibernate.dialect: org.hibernate.dialect.MySQL5Dialect
12 | 


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/src/test/java/com/javatechie/crud/example/SpringBootCrudExample2ApplicationTests.java:
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 1 | package com.javatechie.crud.example;
 2 | 
 3 | import org.junit.jupiter.api.Test;
 4 | import org.springframework.boot.test.context.SpringBootTest;
 5 | 
 6 | @SpringBootTest
 7 | class SpringBootCrudExample2ApplicationTests {
 8 | 
 9 | 	@Test
10 | 	void contextLoads() {
11 | 	}
12 | 
13 | }
14 | 


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