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 JSON > FLEX JSON > How to wrap JSON Object

How to wrap JSON Object 

Flexjson is a lightweight java library for serializing and de-serializing java beans, maps, arrays and collections in JSON format. Get the latest binaries from https://sourceforge.net/projects/flexjson/. This requires the library flexjson-2.1.jar to be in classpath. The following example shows how to wrap the resultant JSON with the given ROOT name.

File Name  :  
com/bethecoder/tutorials/flexjson/common/Student.java 
   
package com.bethecoder.tutorials.flexjson.common;

import java.util.Date;

public class Student {
  private String firstName;
  private String lastName;
  private int age;
  private String hobby;
  private Date dob;

  public Student() {}
  
  public Student(String firstName, String lastName, int age, String hobby,
      Date dob) {
    super();
    this.firstName = firstName;
    this.lastName = lastName;
    this.age = age;
    this.hobby = hobby;
    this.dob = dob;
  }
  
  public String getFirstName() {
    return firstName;
  }
  public void setFirstName(String firstName) {
    this.firstName = firstName;
  }
  public String getLastName() {
    return lastName;
  }
  public void setLastName(String lastName) {
    this.lastName = lastName;
  }
  public int getAge() {
    return age;
  }
  public void setAge(int age) {
    this.age = age;
  }
  public String getHobby() {
    return hobby;
  }

  public void setHobby(String hobby) {
    this.hobby = hobby;
  }
  public Date getDob() {
    return dob;
  }
  public void setDob(Date dob) {
    this.dob = dob;
  }

  public String toString() {
    return "Student[ " +
      "firstName = " + firstName +
      ", lastName = " + lastName +
      ", age = " + age +
      ", hobby = " + hobby +
      ", dob = " + dob +
      " ]";
  }
}
   

File Name  :  
com/bethecoder/tutorials/flexjson/tests/RootNameTest.java 
Author  :  Sudhakar KV
Email  :  [email protected]
   
package com.bethecoder.tutorials.flexjson.tests;

import java.util.Date;
import com.bethecoder.tutorials.flexjson.common.Student;
import flexjson.JSONSerializer;

public class RootNameTest {

  /**
   @param args
   */
  public static void main(String[] args) {

    JSONSerializer serializer = 
      new JSONSerializer().rootName("my_student").prettyPrint(true)
    Student stud = new Student("Sriram""Kasireddi"2"Singing"new Date());
    
    String jsonStr = serializer.serialize(stud);
    System.out.println(jsonStr);
  }

}
   

It gives the following output,
{
    "my_student": {
        "age": 2,
        "class": "com.bethecoder.tutorials.flexjson.common.Student",
        "dob": 1342034567843,
        "firstName": "Sriram",
        "hobby": "Singing",
        "lastName": "Kasireddi"
    }
}



 
  


  
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