BE THE CODER > Spring > Core Examples

Spring Inversion of Control (IoC) also known as Dependency Injection (DI) is a process by which objects define their dependencies with collaborating objects. The following example shows Spring bean definition for inner classes.

File Name :

/SpringCore001/conf/gen/inner_classes.xml

File Name :

com/bethecoder/tutorials/spring3/basic/TopLevelClass.java


package com.bethecoder.tutorials.spring3.basic;



public class TopLevelClass {

  

  private String name = "TopLevelClass";



  public String getName() {

    return name;

  }

  

  public static class NestedClass {

    private String name = "NestedClass";

    

    public String getName() {

      return name;

    }

  }

}

File Name :	com/bethecoder/tutorials/spring3/tests/gen/InnerClasses.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.spring3.tests.gen;



import org.springframework.beans.factory.xml.XmlBeanFactory;

import org.springframework.core.io.ClassPathResource;



import com.bethecoder.tutorials.spring3.basic.TopLevelClass;



public class InnerClasses {



  /**

   * @param args

   */

  public static void main(String[] args) {

    XmlBeanFactory factory = new XmlBeanFactory(

                new ClassPathResource("inner_classes.xml"));



    TopLevelClass topLevelClsObj = (TopLevelClass) factory.getBean("topLevelCls");

    System.out.println(topLevelClsObj.getName());

    

    TopLevelClass.NestedClass nestedClsObj = 

      (TopLevelClass.NestedClass) factory.getBean("nestedCls");

    System.out.println(nestedClsObj.getName());

    

    TopLevelClass.NestedClass nestedClsObj2 = 

      (TopLevelClass.NestedClass) factory.getBean("nestedCls2");

    System.out.println(nestedClsObj2.getName());

    

  }



}

Inner Classes