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BAEL-2475: Changes after first review

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This commit is contained in:
Mikhail Chugunov 2019-01-09 19:53:12 +03:00
parent 2e436ce3e8
commit a094e49a62
4 changed files with 60 additions and 76 deletions
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24
jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.jackson.deserialization.immutable;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
public class Employee {
private final long id;
private final String name;
@JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
public Employee(@JsonProperty("id") long id, @JsonProperty("name") String name) {
this.id = id;
this.name = name;
}
public long getId() {
return id;
}
public String getName() {
return name;
}
}

58
jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/MaritalAwarePerson.java
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@ -1,58 +0,0 @@
package com.baeldung.jackson.deserialization.immutable;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
@JsonDeserialize(builder = MaritalAwarePerson.Builder.class)
public class MaritalAwarePerson {
private final String name;
private final int age;
private final Boolean married;
private MaritalAwarePerson(String name, int age, Boolean married) {
this.name = name;
this.age = age;
this.married = married;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
public Boolean getMarried() {
return married;
}
@JsonPOJOBuilder
static class Builder {
String name;
int age;
Boolean married;
Builder withName(String name) {
this.name = name;
return this;
}
Builder withAge(int age) {
this.age = age;
return this;
}
Builder withMarried(boolean married) {
this.married = married;
return this;
}
public MaritalAwarePerson build() {
return new MaritalAwarePerson(name, age, married);
}
}
}

32
jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java
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@ -1,15 +1,15 @@
package com.baeldung.jackson.deserialization.immutable;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
@JsonDeserialize(builder = Person.Builder.class)
public class Person {
private final String name;
private final int age;
private final Integer age;
@JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
public Person(@JsonProperty("name") String name, @JsonProperty("age") int age) {
private Person(String name, Integer age) {
this.name = name;
this.age = age;
}
@ -18,7 +18,27 @@ public class Person {
return name;
}
public int getAge() {
public Integer getAge() {
return age;
}
@JsonPOJOBuilder
static class Builder {
String name;
Integer age;
Builder withName(String name) {
this.name = name;
return this;
}
Builder withAge(Integer age) {
this.age = age;
return this;
}
Person build() {
return new Person(name, age);
}
}
}

22
jackson/src/test/java/com/baeldung/jackson/deserialization/immutable/ImmutableObjectDeserializationUnitTest.java
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@ -11,30 +11,28 @@ public class ImmutableObjectDeserializationUnitTest {
@Test
public void whenPublicConstructorIsUsed_thenObjectIsDeserialized() throws IOException {
final String json = "{\"name\":\"Frank\",\"age\":50}";
Person person = new ObjectMapper().readValue(json, Person.class);
final String json = "{\"name\":\"Frank\",\"id\":5000}";
Employee employee = new ObjectMapper().readValue(json, Employee.class);
assertEquals("Frank", person.getName());
assertEquals(50, person.getAge());
assertEquals("Frank", employee.getName());
assertEquals(5000, employee.getId());
}
@Test
public void whenBuilderIsUsedAndFieldIsNull_thenObjectIsDeserialized() throws IOException {
final String json = "{\"name\":\"Frank\",\"age\":50}";
MaritalAwarePerson person = new ObjectMapper().readValue(json, MaritalAwarePerson.class);
final String json = "{\"name\":\"Frank\"}";
Person person = new ObjectMapper().readValue(json, Person.class);
assertEquals("Frank", person.getName());
assertEquals(50, person.getAge());
assertNull(person.getMarried());
assertNull(person.getAge());
}
@Test
public void whenBuilderIsUsedAndAllFieldsPresent_thenObjectIsDeserialized() throws IOException {
final String json = "{\"name\":\"Frank\",\"age\":50,\"married\":true}";
MaritalAwarePerson person = new ObjectMapper().readValue(json, MaritalAwarePerson.class);
final String json = "{\"name\":\"Frank\",\"age\":50}";
Person person = new ObjectMapper().readValue(json, Person.class);
assertEquals("Frank", person.getName());
assertEquals(50, person.getAge());
assertTrue(person.getMarried());
assertEquals(50, (int) person.getAge());
}
}