edu.nrao.sss.webapp
Class HibernateFilter

java.lang.Object
  edu.nrao.sss.webapp.HibernateFilter

All Implemented Interfaces:

javax.servlet.Filter

public class HibernateFilter
extends Object
implements javax.servlet.Filter

This Filter is responsible for retrieving HibernateDaos from the HttpSession and commiting any open transactions for those Daos after the response has been rendered. It finds the Dao's in the HttpSession using the attribute names configured for the filter with the edu.nrao.sss.dao.DaoSessionAttrNames init-parameter. The parameter value should be a comma separated list of attribute names that can be looked up with HttpSession.getAttribute(String).

Field Summary

protected static String

INIT_PARAM_NAME

Constructor Summary

HibernateFilter()

Method Summary

void	destroy() empty implementation
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) See class comments.
void	init(javax.servlet.FilterConfig conf) See class comments.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INIT_PARAM_NAME

protected static final String INIT_PARAM_NAME

See Also:

Constant Field Values

Constructor Detail

HibernateFilter

public HibernateFilter()

Method Detail

init

public void init(javax.servlet.FilterConfig conf)

See class comments.

Specified by:

init in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

See class comments.

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

empty implementation

Specified by:

destroy in interface javax.servlet.Filter