BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

spring-5/src/main/java/com/baeldung/jsonb/Person.java

@@ -0,0 +1,127 @@
+package com.baeldung.jsonb;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+import javax.json.bind.annotation.JsonbDateFormat;
+import javax.json.bind.annotation.JsonbNumberFormat;
+import javax.json.bind.annotation.JsonbProperty;
+import javax.json.bind.annotation.JsonbTransient;
+
+public class Person {
+
+    private int id;
+    @JsonbProperty("person-name")
+    private String name;
+    @JsonbProperty(nillable = true)
+    private String email;
+    @JsonbTransient
+    private int age;
+    @JsonbDateFormat("dd-MM-yyyy")
+    private LocalDate registeredDate;
+    private BigDecimal salary;
+
+    public Person() {
+    }
+
+    public Person(int id, String name, String email, int age, LocalDate registeredDate, BigDecimal salary) {
+        super();
+        this.id = id;
+        this.name = name;
+        this.email = email;
+        this.age = age;
+        this.registeredDate = registeredDate;
+        this.salary = salary;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @JsonbNumberFormat(locale = "en_US", value = "#0.0")
+    public BigDecimal getSalary() {
+        return salary;
+    }
+
+    public void setSalary(BigDecimal salary) {
+        this.salary = salary;
+    }
+
+    public LocalDate getRegisteredDate() {
+        return registeredDate;
+    }
+
+    public void setRegisteredDate(LocalDate registeredDate) {
+        this.registeredDate = registeredDate;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("Person [id=");
+        builder.append(id);
+        builder.append(", name=");
+        builder.append(name);
+        builder.append(", email=");
+        builder.append(email);
+        builder.append(", age=");
+        builder.append(age);
+        builder.append(", registeredDate=");
+        builder.append(registeredDate);
+        builder.append(", salary=");
+        builder.append(salary);
+        builder.append("]");
+        return builder.toString();
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + id;
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        Person other = (Person) obj;
+        if (id != other.id)
+            return false;
+        return true;
+    }
+
+}

spring-5/src/main/java/com/baeldung/jsonb/PersonController.java

@@ -0,0 +1,58 @@
+package com.baeldung.jsonb;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController("/person")
+public class PersonController {
+
+    List<Person> personRepository;
+
+    @PostConstruct
+    public void init() {
+        // @formatter:off
+        personRepository = new ArrayList<>(Arrays.asList(
+            new Person(1, "Jhon", "jhon@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000)), 
+            new Person(2, "Jhon", "jhon1@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500)), 
+            new Person(3, "Jhon", null, 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000)),  
+            new Person(4, "Tom", "tom@test.com", 21, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1500)), 
+            new Person(5, "Mark", "mark@test.com", 21, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1200)), 
+            new Person(6, "Julia", "jhon@test.com", 20, LocalDate.of(2019, 9, 9), BigDecimal.valueOf(1000))));
+        // @formatter:on
+
+    }
+
+    @GetMapping("/person/{id}")
+    @ResponseBody
+    public Person findById(@PathVariable final int id) {
+        return personRepository.get(id);
+    }
+
+    @PostMapping("/person")
+    @ResponseStatus(HttpStatus.OK)
+    @ResponseBody
+    public boolean insertPerson(@RequestBody final Person person) {
+        return personRepository.add(person);
+    }
+
+    @GetMapping("/person")
+    @ResponseBody
+    public List<Person> findAll() {
+        return personRepository;
+    }
+
+}

spring-5/src/main/java/com/baeldung/jsonb/Spring5Application.java

@@ -0,0 +1,31 @@
+package com.baeldung.jsonb;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
+import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.JsonbHttpMessageConverter;
+
+@SpringBootApplication(exclude = SecurityAutoConfiguration.class)
+@ComponentScan(basePackages = { "com.baeldung.jsonb" })
+public class Spring5Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Spring5Application.class, args);
+    }
+
+    @Bean
+    public HttpMessageConverters customConverters() {
+        Collection<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
+        JsonbHttpMessageConverter jsonbHttpMessageConverter = new JsonbHttpMessageConverter();
+        messageConverters.add(jsonbHttpMessageConverter);
+        return new HttpMessageConverters(true, messageConverters);
+    }
+
+}