org.abstracthorizon.danube.http.session
Class SimpleCookieSessionManager

java.lang.Object
  org.abstracthorizon.danube.http.session.SimpleCookieSessionManager

All Implemented Interfaces:

HTTPSessionManager, SessionManager

Direct Known Subclasses:

SimpleSessionManager

public class SimpleCookieSessionManager
extends Object
implements HTTPSessionManager

Simple session manager implementation that uses cookies for storing session id on the client side. Sessions are not expired.

Author:

Daniel Sendula

Field Summary

static int	DEFAULT_SESSION_TIMEOUT Default session timeout as 30 minutes
protected static Random	random Random number for creating session ids
static String	SESSION_ATTRIBUTE Connection attribute name for session to be temporarely stored at
static String	SESSION_COOKIE_NAME Default session cookie name
protected String	sessionCookieName Name of session cookie.
protected Map<Object,Session>	sessions Map of sessions

Constructor Summary

SimpleCookieSessionManager()

Method Summary

protected Session	createSession(String sessionId) Creates new session object with given session id
protected String	createSessionId() Creates session id
Object	findSession(HTTPConnection connection, boolean create) Finds a session for supplied connection
Object	findSession(Object sessionId, boolean create) Searches for the session using givne session id
String	getSessionCookieName() Returns session's cookie name
void	removeSession(HTTPConnection connection) Removes session from connection
void	removeSession(Object session) This object removes existing session
String	rewriteURL(HTTPConnection connection, String url) Rewrites URL for given connection
void	setSessionCookieName(String sessionCookieName) Sets session's cookie name
protected String	validateSessionId(String sessionId) Validates session id.

Methods inherited from class java.lang.Object

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

Field Detail

SESSION_COOKIE_NAME

public static final String SESSION_COOKIE_NAME

Default session cookie name

See Also:

Constant Field Values

SESSION_ATTRIBUTE

public static final String SESSION_ATTRIBUTE

Connection attribute name for session to be temporarely stored at

See Also:

Constant Field Values

DEFAULT_SESSION_TIMEOUT

public static final int DEFAULT_SESSION_TIMEOUT

Default session timeout as 30 minutes

See Also:

Constant Field Values

sessions

protected Map<Object,Session> sessions

Map of sessions

sessionCookieName

protected String sessionCookieName

Name of session cookie. Defaulted to SESSION_COOKIE_NAME.

random

protected static Random random

Random number for creating session ids

Constructor Detail

SimpleCookieSessionManager

public SimpleCookieSessionManager()

Method Detail

findSession

public Object findSession(HTTPConnection connection,
                          boolean create)

Finds a session for supplied connection

Specified by:

findSession in interface HTTPSessionManager

Parameters:

connection - connection

create - flag defining should session be created it doesn't exist already

Returns:

existing session object, new session if existing session is not there and create param is set to true or null otherwise.

findSession

public Object findSession(Object sessionId,
                          boolean create)

Searches for the session using givne session id

Specified by:

findSession in interface SessionManager

Parameters:

sessionId - session id object

create - flag defining should session be created it doesn't exist already

Returns:

existing session object, new session if existing session is not there and create param is set to true or null otherwise.

removeSession

public void removeSession(HTTPConnection connection)

Removes session from connection

Specified by:

removeSession in interface HTTPSessionManager

Parameters:

connection - connection

removeSession

public void removeSession(Object session)

This object removes existing session

Specified by:

removeSession in interface SessionManager

Parameters:

session - session to be removed

rewriteURL

public String rewriteURL(HTTPConnection connection,
                         String url)

Rewrites URL for given connection

Specified by:

rewriteURL in interface HTTPSessionManager

Parameters:

url - URL to be rewritten

connection - http connection object

Returns:

updated url

validateSessionId

protected String validateSessionId(String sessionId)

Validates session id. This implementation does nothing

Parameters:

sessionId - session id

Returns:

session id

createSessionId

protected String createSessionId()

Creates session id

Returns:

new session id

createSession

protected Session createSession(String sessionId)

Creates new session object with given session id

Parameters:

sessionId - session id

Returns:

new session object

getSessionCookieName

public String getSessionCookieName()

Returns session's cookie name

Returns:

session's cookie name

setSessionCookieName

public void setSessionCookieName(String sessionCookieName)

Sets session's cookie name

Parameters:

sessionCookieName - session's cookie name