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What are various Namespaces in the Spring Configuration File ?.

What are various Namespaces in the Spring Configuration File ?.

1. aop Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="
http://www.springframework.org/schema/beans 
 http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/aop 
 http://www.springframework.org/schema/aop/spring-aop-2.0.xsd">

<!-- <bean/> definitions here -->

</beans>

aop Namespace Description - 

aop namespace provides developer a namespace which has elements used for declaring aspects. Generally, this namespace makes @AspectJ-annotated classes as Spring aspects which acts as proxies.


2. util Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:util="http://www.springframework.org/schema/util"
       xsi:schemaLocation="
http://www.springframework.org/schema/beans 
 http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/util 
 http://www.springframework.org/schema/util/spring-util-2.0.xsd">

<!-- <bean/> definitions here -->

</beans>

util Namespace Description -

As the name suggest this namespace provides developer utility elements. This namespace provides ability to use collections with Spring Framework. 


3. beans Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       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-2.0.xsd">

    

</beans>

beans Namespace Description -

It is mostly used for declaration of beans and how they are related to each other. Its the core spring namespace which is important for configuring beans.


4. jee Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:jee="http://www.springframework.org/schema/jee"
       xsi:schemaLocation="
http://www.springframework.org/schema/beans 
 http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/jee 
 http://www.springframework.org/schema/jee/spring-jee-2.0.xsd">

<!-- <bean/> definitions here -->

</beans>

jee Namespace Description -

This namespace is used when we integrate spring with JNDI and EJB. This namespace provides elements for using it well with Java EE.


5. jms Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:jms="http://www.springframework.org/schema/jms"
       xsi:schemaLocation="
http://www.springframework.org/schema/beans 
 http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/jms 
 http://www.springframework.org/schema/jms/spring-jms-2.5.xsd">

<!-- <bean/> definitions here -->

</beans>

jms Namespace Description -

Usually used to configure Message Driven Beans i.e. MDB's with the Spring container.


6. context Namespace


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<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.xsd
   http://www.springframework.org/schema/context
   http://www.springframework.org/schema/context/spring-context-2.5.xsd">

</beans>



context Namespace Description - 

context namespace is very much important namespace of all, it is used by spring container to auto-detect and auto-wire beans. This namespace provides elements which helps in injecting of objects and thus providing ability to have Dependency Injection.



7. lang Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:lang="http://www.springframework.org/schema/lang"
       xsi:schemaLocation="
http://www.springframework.org/schema/beans 
 http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/lang 
 http://www.springframework.org/schema/lang/spring-lang-3.0.xsd">

<!-- <bean/> definitions here -->

</beans>

lang Namespace Description - 

lang namespace provides us with the elements which helps us to configure beans implemented in different languages such as JRuby, Groovy etc.

8. mvc Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    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-3.1.xsd
        http://www.springframework.org/schema/mvc 
         http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">

    <mvc:annotation-driven />

<beans>

mvc Namespace Description - 

mvc namespace enables capabilities of MVC architecture such as Model - View - Controller framework. It enables usage of controllers, interceptors and view components.

9. oxm Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:oxm="http://www.springframework.org/schema/oxm"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
 http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
    http://www.springframework.org/schema/oxm 
http://www.springframework.org/schema/oxm/spring-oxm-1.5.xsd">


</beans>

oxm Namespace Description -

Very important namespace which provides JAXB sort of support of mapping Spring objects to XML mappings. That is converting of Spring objects to XML formats.

10. tx Namespace


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="
http://www.springframework.org/schema/beans  
 http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/tx 
 http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/aop  
 http://www.springframework.org/schema/aop/spring-aop-2.0.xsd">

<!-- <bean/> definitions here -->

</beans>

tx Namespace Description - 

tx namespace enables support for transaction management in Spring framework.
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