Exclude Certain class from Spring Component-Scan


In this article, we will learn how to exclude a certain class Annotated with @Component or @Service or any other annotation. So let's start.


package com.sample.employee.services; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.sample.employee.dao.EmployeeDAO; @Servicepublic class EmployeeService { @Autowired EmployeeDAO employeeDAO; @Override public String toString() { return "EmployeeService [EmployeeDAO=" + EmployeeDAO + "]"; } }


package com.sample.employee.dao; import org.springframework.stereotype.Component; @Component public class EmployeeDAO { @Override public String toString() { return "This is EmployeeDAO"; } }

Now Lets try to exclude EmployeeDAO from Component-Scan in applicationContext.xml


<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"> <context:component-scan base-package="com.sample"> <context:exclude-filter type="regex" expression="com.sample.employee.dao.*DAO.*" /> </context:component-scan> </beans>

In the above applicationContext, you can see we have added a single line , which basically means exclude a class from component-scan whose package is "com.sample.employee.dao" and class name includes "DAO"


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