Package ejava.examples.webtier.web

Class JPAFilter

java.lang.Object

ejava.examples.webtier.web.JPAFilter

All Implemented Interfaces:

Filter

public class JPAFilter
extends Object
implements Filter

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	containerManaged
private static ThreadLocal<EntityManager>	em
private EntityManagerFactory	emf
private static org.slf4j.Logger	logger
private static String	PU_NAME

Constructor Summary

Constructors

Constructor	Description
JPAFilter()

Method Summary

Modifier and Type	Method	Description
private void	closeEntityManager()
void	destroy()
private void	doDump(int level, StringBuilder text, Context context, String name)
void	doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
private void	dump(Context context, String name)
static EntityManager	getEntityManager()
protected String	getPad(int level)
void	init(FilterConfig config)
private EntityManager	initEntityManager()
protected boolean	isContext(String className)

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static org.slf4j.Logger logger

PU_NAME

private static final String PU_NAME

See Also:

Constant Field Values

containerManaged

private boolean containerManaged

emf

private EntityManagerFactory emf

em

private static ThreadLocal<EntityManager> em

Constructor Detail

JPAFilter

public JPAFilter()

Method Detail

init

public void init(FilterConfig config)
          throws ServletException

Specified by:

init in interface Filter

Throws:

ServletException

doFilter

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

Specified by:

doFilter in interface Filter

Throws:

IOException

ServletException

destroy

public void destroy()

Specified by:

destroy in interface Filter

initEntityManager

private EntityManager initEntityManager()
                                 throws ServletException

Throws:

ServletException

closeEntityManager

private void closeEntityManager()

getEntityManager

public static final EntityManager getEntityManager()

dump

private void dump(Context context,
                  String name)

doDump

private void doDump(int level,
                    StringBuilder text,
                    Context context,
                    String name)
             throws NamingException

Throws:

NamingException

isContext

protected boolean isContext(String className)

getPad

protected String getPad(int level)