<p>In previous we used <a href="https://dineshonjava.com/what-is-bean-factory-in-spring/">Bean Factory</a> container and discussed with example. Now we will discuss about the ApplicationContext and Using with in Example. ApplicationContext like <a href="https://dineshonjava.com/what-is-bean-factory-in-spring/">Bean Factory</a>&#8216;s Big Brother with some additional functionality such as <b><a href="https://dineshonjava.com/introduction-to-aop-in-spring/">AOP</a> concept</b>, <b>event notification</b> and it adds more enterprise-specific functionality such as the ability to resolve <b>textual messages from a properties file</b> and the ability to <b>publish application events to interested event listeners</b>. This container is defined by the <b>org.springframework.context.ApplicationContext</b> interface.</p>
<div dir="ltr" style="text-align: justify;">
<div dir="ltr" style="text-align: justify;">
<div style="color: #274e13;">The <b>ApplicationContext</b> includes all functionality of the <a href="https://dineshonjava.com/what-is-bean-factory-in-spring/"><b>BeanFactory</b></a>, it is generally recommended over the <b><a href="https://dineshonjava.com/what-is-bean-factory-in-spring/">BeanFactory</a></b>.<b> </b><a href="https://dineshonjava.com/what-is-bean-factory-in-spring/"><b>BeanFactory</b> </a>can still be used for light weight applications like mobile devices or applet based applications.</div>
<div style="background-color: #f2f9fc; border: 1px solid #c9e6f2; border-radius: 3px; padding: 16px; line-height: 1.45;"><span style="color: red; font-size: x-large; text-align: center;"><b>Popular Tutorials</b></span></p>
<ul style="text-align: left;">
<li><b><a href="https://dineshonjava.com/spring-tutorial/"><em><strong>Spring Tutorial</strong> </em></a></b></li>
<li><b><a href="https://dineshonjava.com/spring-web-mvc-framework-chapter-38/"><strong><em>Spring MVC Web Tutorial </em></strong></a></b></li>
<li><b><a href="https://dineshonjava.com/introduction-to-spring-boot-a-spring-boot-complete-guide/"><strong>Spring Boot Tutorial</strong> </a></b></li>
<li><b><a href="https://dineshonjava.com/spring-security-take-baby-step-to-secure/"><em>Spring Security Tutorial</em></a></b></li>
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<div></div>
<h2>ApplicationContext Implementations</h2>
<div style="color: #274e13;">The most commonly used <b>ApplicationContext</b> implementations are:</div>
<ul class="list" style="color: #274e13;">
<li style="list-style-type: none;">
<ul class="list" style="color: #274e13;">
<li>
<h3><b>FileSystemXmlApplicationContext</b></h3>
<p>This container loads the definitions of the beans from an XML file. Here you need to provide the<b> full path of the XML bean configuration file</b> to the constructor.</li>
</ul>
</li>
</ul>
<pre class="highlight">FileSystemXmlApplicationContext context = new FileSystemXmlApplicationContext("F:/my workspace/springAppDemo/src/spring.xml"); 
</pre>
<p><b>Using wildcard for file system:</b></p>
<pre class="highlight">FileSystemXmlApplicationContext context = new FileSystemXmlApplicationContext("F:/*my workspace*/**/src/*-spring.xml"); 
</pre>
<ul class="list" style="color: #274e13;">
<li style="list-style-type: none;">
<ul class="list" style="color: #274e13;">
<li>
<h3><b>ClassPathXmlApplicationContext</b></h3>
<p>This container loads the definitions of the beans from an XML file. Here you do not need to provide the full path of the XML file but you need to set <b>CLASSPATH</b> properly because this container will look bean configuration XML file in CLASSPATH.</li>
</ul>
</li>
</ul>
<pre class="highlight">ApplicationContext context = new ClassPathXmlApplicationContext("classpath:com/dineshonjava/sdnext/springConfig/spring.xml"); 
</pre>
<p><b>Using wildcard for claspath:</b></p>
<pre class="highlight">ApplicationContext context = new ClassPathXmlApplicationContext("classpath*:com/dineshonjava/**/springConfig/spring.xml"); 
</pre>
<pre class="highlight">ApplicationContext context = new ClassPathXmlApplicationContext("classpath*:com/*/**/springConfig/*-spring.xml"); 
</pre>
<ul class="list" style="color: #274e13;">
<li style="list-style-type: none;">
<ul class="list" style="color: #274e13;">
<li>
<h3><b>WebXmlApplicationContext</b></h3>
<p>This container loads the XML file with definitions of all beans from within a web application.</li>
</ul>
</li>
</ul>
<pre class="highlight">ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(servletContext); 
</pre>
<div class="separator" style="clear: both; text-align: center;"><img src="https://dineshonjava.com/wp-content/uploads/2012/06/applicationcontext.jpg" border="0" /></div>
</div>
<p>Let us see Example.<br />
<b>Triangle.java</b></p>
<pre class="highlight">package com.sdnext.dineshonjava.applicationcontext.tutorial; 
 
public class Triangle 
{ 
 private String type; 
 
 /** 
 * @param type the type to set 
 */ 
 public void setType(String type) 
 { 
 this.type = type; 
 } 
 
 public void draw() 
 { 
 System.out.println(type+" Triangle Drawn"); 
 } 
} 
</pre>
<p><b>spring.xml</b></p>
<pre class="highlight"><;beans xmlns:aop="http://www.springframework.org/schema/aop" xmlns:p="http://www.springframework.org/schema/p" xmlns:> 
<b>DrawingApp.java</b> 
<pre class="highlight">package com.sdnext.dineshonjava.applicationcontext.tutorial; 
 
import org.springframework.context.ApplicationContext; 
import org.springframework.context.support.ClassPathXmlApplicationContext; 
 
/** 
 * @author Dinesh Rajput 
 * 
 */ 
public class DrawingApp 
{ 
 
 /** 
 * @param args 
 */ 
 public static void main(String[] args) 
 { 
 //Triangle triangle = new Triangle(); 
 //BeanFactory factory =new XmlBeanFactory(new FileSystemResource("spring.xml")); 
 ApplicationContext context = new ClassPathXmlApplicationContext("spring.xml"); 
 Triangle triangle = (Triangle) context.getBean("triangle"); 
 triangle.draw(); 
 } 
} 
</pre>
<p>Now run the example:</p>
<div style="background-color: #ff99cc; border-width: thin; border: solid;">
<div style="color: blue;"><b>Output:</b></div>
<div style="color: red;">Jun 18, 2012 11:40:04 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh</div>
<div style="color: red;">INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@145d068: startup date [Mon Jun 18 11:40:04 IST 2012]; root of context hierarchy</div>
<div style="color: red;">Jun 18, 2012 11:40:04 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions</div>
<div style="color: red;">INFO: Loading XML bean definitions from class path resource [spring.xml]</div>
<div style="color: red;">Jun 18, 2012 11:40:05 AM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons</div>
<div style="color: red;">INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@14c1103: defining beans [triangle]; root of factory hierarchy</div>
<p><b>Equilateral Triangle Drawn</b></p>
</div>
<p> ;</p>
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<p><b>In <a href="https://dineshonjava.com/constructor-object-injecting/">Next Chapter</a> we will discuss about <a href="https://dineshonjava.com/constructor-object-injecting/">Injecting of Constructor and Object</a> in Application.</b><br />
<b> </b><br />
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