Set Complex Nested Property 

SOJO (Simplified Old Java Objects) is a Java framework which converts object graph into a specific structure or representation. This requires the library sojo-1.0.0.jar to be in classpath. The following example shows using PathExecuter.setNestedProperty() API.

File Name  :   com/bethecoder/tutorials/sojo/common/Student.java

package com.bethecoder.tutorials.sojo.common; public class Student {   private String name;   private int age;   private String hobby;   public Student() {   }   public Student(String name, int age, String hobby) {     super();     this.name = name;     this.age = age;     this.hobby = hobby;   }   public String getName() {     return name;   }   public void setName(String name) {     this.name = name;   }   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 String toString() {     return "Student[name = " + name + ", age = " + age + ", hobby = " + hobby + "]";   } }

File Name  :   com/bethecoder/tutorials/sojo/tests/SetComplexNestedOGN.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.sojo.tests; import java.io.IOException; import java.util.Arrays; import net.sf.sojo.navigation.PathExecuter; import com.bethecoder.tutorials.sojo.common.ComplexBean; import com.bethecoder.tutorials.sojo.common.Student; public class SetComplexNestedOGN {   /**    * @param args    */   public static void main(String[] args) throws IOException {          Student student = new Student("Sriram", 2, "Chess");     Student student2 = new Student("Sudhakar", 29, "Painting");     Student student3 = new Student("Charan", 18, "Reading books");     Student student4 = new Student("Anu", 28, "Cooking");          ComplexBean complexBean = new ComplexBean();     complexBean.getStudentList().addAll(Arrays.asList(student, student2, student3));     complexBean.getSubjectStudentMap().put("MATHS",          Arrays.asList(student, student2, student3));          complexBean.getSubjectStudentMap().put("PHYSICS",          Arrays.asList(student, student2));          //Adds 'student4' to the student list     PathExecuter.setNestedProperty(complexBean, "studentList", student4);     System.out.println(complexBean.getStudentList());          //Updates the first student name in the student list     PathExecuter.setNestedProperty(complexBean, "studentList[0].name", "Sriram Kasireddi");     System.out.println(complexBean.getStudentList().get(0).getName());          //Updates student list for PHYSICS in subjectStudentMap     PathExecuter.setNestedProperty(complexBean, "subjectStudentMap(PHYSICS)", Arrays.asList(student));     System.out.println(complexBean.getSubjectStudentMap().get("PHYSICS"));          //Updates second students age in MATHS student list     PathExecuter.setNestedProperty(complexBean, "subjectStudentMap(MATHS).[1].age", 26);     System.out.println(complexBean.getSubjectStudentMap().get("MATHS").get(1).getAge());          //Updates second students name in MATHS student list     PathExecuter.setNestedProperty(complexBean, "subjectStudentMap.MATHS[1].name", "Sudhakar Kasireddi");     System.out.println(complexBean.getSubjectStudentMap().get("MATHS").get(1).getName());   } }

[Student[name = Sriram, age = 2, hobby = Chess], 
	Student[name = Sudhakar, age = 29, hobby = Painting], 
	Student[name = Charan, age = 18, hobby = Reading books], 
	Student[name = Anu, age = 28, hobby = Cooking]]
	
Sriram Kasireddi

[Student[name = Sriram Kasireddi, age = 2, hobby = Chess]]

26

Sudhakar Kasireddi