Configuring the Jsonb instance

From the previous posts we can see that an instance of Jsonb is used for serialization/deserialization of java objects to/from json format. We can configure the Jsonb instance by creating an instance of JsonbConfig. By default jsonb implementation provider must support the following properties to be configured. jsonb.to.json.formatted – java.lang.Boolean Controls whether or not the… Continue reading Configuring the Jsonb instance

Serialization of null values when converting from java object to json format

In this post I will explain how serialization of null values feature can be turned on or off. Below is the class structure of the object to be serialized Student 1 import javax.json.bind.annotation.JsonbProperty; 2 3 public class Student { 4 private int id; 5 private String name; 6 private Integer rollnum; 7 8 public int… Continue reading Serialization of null values when converting from java object to json format

Preventing an property from being serialized to json

By default when an object is serialized to json format, all the properties in the object are serialized. We cannot prevent this default behavior, by annotating the property with @JsonbTransient annotation. Below is the example. The class to be serialized is Employee Employee 1 import javax.json.bind.annotation.JsonbTransient; 2 3 public class Employee { 4 private int… Continue reading Preventing an property from being serialized to json

Deserialization of java objects present in JSON format from a file

This post will explain how to read the serialized (JSON) form of Java objects from a file. Person public class Person { private String fName; private String lName; private int age; public String getfName() { return fName; } public void setfName(String fName) { this.fName = fName; } public String getlName() { return lName; } public… Continue reading Deserialization of java objects present in JSON format from a file

Serialization of java object in JSON format to a file

This post will explain how to save the serialized (JSON) form of Java objects to a file. Main Code import java.io.File; import java.io.FileWriter; import java.io.IOException; import javax.json.bind.Jsonb; import javax.json.bind.JsonbBuilder; public class JsonbDemo2 { public static void main(String[] args) throws IOException { Person person = new Person(); person.setfName(“fName”); person.setlName(“lName”); person.setAge(10); Jsonb jsonb = JsonbBuilder.create(); File file… Continue reading Serialization of java object in JSON format to a file

Deserialization of java objects from JSON

This post explains de-serialization of java objects to JSON using new Java JSONB api. We need the following jars to run the below example 1) javax.json-1.1.jar 2) jsonb-api-1.0.0.jar 3) yasson-1.0.jar yasson-1.0.jar is reference implemenation which can be obtained from the below link http://json-b.net/download.html In this example we will de-serialize the Person object, below is the… Continue reading Deserialization of java objects from JSON

Serialization of Java objects to JSON

This post explains serialization of java objects to JSON using new Java JSONB api. We need the following jars to run the below example 1) javax.json-1.1.jar 2) jsonb-api-1.0.0.jar 3) yasson-1.0.jar yasson-1.0.jar is reference implemenation which can be obtained from the below link http://json-b.net/download.html In this example we will serialize the Person object, below is the… Continue reading Serialization of Java objects to JSON