1. ContextLoaderPlugin
Loads a Spring application context for the Struts ActionServlet.
Struts Actions are managed as Spring beans.
Pre-built convenience classes to provide access to the context.
Provides methods in superclass for easy context lookup.
<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn"> <set-property property="contextConfigLocation" value="/WEB-INF/applicationContext.xml"/>
</plug-in>
2. ActionSupport and DispatchActionSupport
Explain Transaction Management in Spring ?
1. DataSourceTransactionManager :
PlatformTransactionManager implementation for single JDBC data sources.
2. HibernateTransactionManager: PlatformTransactionManager implementation for single Hibernate session factories. Binds a Hibernate Session from the specified factory to the thread, potentially allowing for one thread Session per factory.
3. JdoTransactionManager : PlatformTransactionManager implementation for single JDO persistence manager factories. Binds a JDO PersistenceManager from the specified factory to the thread, potentially allowing for one thread PersistenceManager per factory.
4. JtaTransactionManager : PlatformTransactionManager implementation for JTA, i.e. J2EE container transactions. Can also work with a locally configured JTA implementation.
