org.apache.catalina.session

Class StandardSessionFacade

java.lang.Object

org.apache.catalina.session.StandardSessionFacade

All Implemented Interfaces:

HttpSession

public class StandardSessionFacade
extends Object
implements HttpSession

Facade for the StandardSession object.

Author:

Remy Maucherat

Constructor Summary

Constructors

Constructor and Description
StandardSessionFacade(HttpSession session) Construct a new session facade.

Method Summary

Modifier and Type	Method and Description
Object	getAttribute(String name) Returns the object bound with the specified name in this session, or null if no object is bound under the name.
Enumeration<String>	getAttributeNames() Returns an Enumeration of String objects containing the names of all the objects bound to this session.
long	getCreationTime() Returns the time when this session was created, measured in milliseconds since midnight January 1, 1970 GMT.
String	getId() Returns a string containing the unique identifier assigned to this session.
long	getLastAccessedTime() Returns the last time the client sent a request associated with this session, as the number of milliseconds since midnight January 1, 1970 GMT, and marked by the time the container received the request.
int	getMaxInactiveInterval() Returns the maximum time interval, in seconds, that the servlet container will keep this session open between client accesses.
ServletContext	getServletContext() Returns the ServletContext to which this session belongs.
HttpSessionContext	getSessionContext() Deprecated. As of Version 2.1, this method is deprecated and has no replacement.
Object	getValue(String name) Deprecated. As of Version 2.2, this method is replaced by getAttribute(java.lang.String).
String[]	getValueNames() Deprecated. As of Version 2.2, this method is replaced by getAttributeNames()
void	invalidate() Invalidates this session then unbinds any objects bound to it.
boolean	isNew() Returns true if the client does not yet know about the session or if the client chooses not to join the session.
void	putValue(String name, Object value) Deprecated. As of Version 2.2, this method is replaced by setAttribute(java.lang.String, java.lang.Object)
void	removeAttribute(String name) Removes the object bound with the specified name from this session.
void	removeValue(String name) Deprecated. As of Version 2.2, this method is replaced by removeAttribute(java.lang.String)
void	setAttribute(String name, Object value) Binds an object to this session, using the name specified.
void	setMaxInactiveInterval(int interval) Specifies the time, in seconds, between client requests before the servlet container will invalidate this session.

Methods inherited from class java.lang.Object

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

Constructor Detail

StandardSessionFacade

public StandardSessionFacade(HttpSession session)

Construct a new session facade.

Parameters:

session - The session instance to wrap

Method Detail

getCreationTime

public long getCreationTime()

Description copied from interface: javax.servlet.http.HttpSession

Returns the time when this session was created, measured in milliseconds since midnight January 1, 1970 GMT.

Specified by:

getCreationTime in interface HttpSession

Returns:

a long specifying when this session was created, expressed in milliseconds since 1/1/1970 GMT

getId

public String getId()

Description copied from interface: javax.servlet.http.HttpSession

Returns a string containing the unique identifier assigned to this session. The identifier is assigned by the servlet container and is implementation dependent.

Specified by:

getId in interface HttpSession

Returns:

a string specifying the identifier assigned to this session

getLastAccessedTime

public long getLastAccessedTime()

Description copied from interface: javax.servlet.http.HttpSession

Returns the last time the client sent a request associated with this session, as the number of milliseconds since midnight January 1, 1970 GMT, and marked by the time the container received the request.

Actions that your application takes, such as getting or setting a value associated with the session, do not affect the access time.

Specified by:

getLastAccessedTime in interface HttpSession

Returns:

a long representing the last time the client sent a request associated with this session, expressed in milliseconds since 1/1/1970 GMT

getServletContext

public ServletContext getServletContext()

Description copied from interface: javax.servlet.http.HttpSession

Returns the ServletContext to which this session belongs.

Specified by:

getServletContext in interface HttpSession

Returns:

The ServletContext object for the web application

setMaxInactiveInterval

public void setMaxInactiveInterval(int interval)

Description copied from interface: javax.servlet.http.HttpSession

Specifies the time, in seconds, between client requests before the servlet container will invalidate this session. A zero or negative time indicates that the session should never timeout.

Specified by:

setMaxInactiveInterval in interface HttpSession

Parameters:

interval - An integer specifying the number of seconds

getMaxInactiveInterval

public int getMaxInactiveInterval()

Description copied from interface: javax.servlet.http.HttpSession

Returns the maximum time interval, in seconds, that the servlet container will keep this session open between client accesses. After this interval, the servlet container will invalidate the session. The maximum time interval can be set with the setMaxInactiveInterval method. A zero or negative time indicates that the session should never timeout.

Specified by:

getMaxInactiveInterval in interface HttpSession

Returns:

an integer specifying the number of seconds this session remains open between client requests

See Also:

HttpSession.setMaxInactiveInterval(int)

getSessionContext

@Deprecated
public HttpSessionContext getSessionContext()

Deprecated. As of Version 2.1, this method is deprecated and has no replacement.

Description copied from interface: javax.servlet.http.HttpSession

Do not use.

Specified by:

getSessionContext in interface HttpSession

Returns:

A dummy implementation of HttpSessionContext

getAttribute

public Object getAttribute(String name)

Description copied from interface: javax.servlet.http.HttpSession

Returns the object bound with the specified name in this session, or null if no object is bound under the name.

Specified by:

getAttribute in interface HttpSession

Parameters:

name - a string specifying the name of the object

Returns:

the object with the specified name

getValue

@Deprecated
public Object getValue(String name)

Deprecated. As of Version 2.2, this method is replaced by getAttribute(java.lang.String).

Specified by:

getValue in interface HttpSession

Parameters:

name - a string specifying the name of the object

Returns:

the object with the specified name

getAttributeNames

public Enumeration<String> getAttributeNames()

Description copied from interface: javax.servlet.http.HttpSession

Returns an Enumeration of String objects containing the names of all the objects bound to this session.

Specified by:

getAttributeNames in interface HttpSession

Returns:

an Enumeration of String objects specifying the names of all the objects bound to this session

getValueNames

@Deprecated
public String[] getValueNames()

Deprecated. As of Version 2.2, this method is replaced by getAttributeNames()

Specified by:

getValueNames in interface HttpSession

Returns:

an array of String objects specifying the names of all the objects bound to this session

setAttribute

public void setAttribute(String name,
                         Object value)

Description copied from interface: javax.servlet.http.HttpSession

Binds an object to this session, using the name specified. If an object of the same name is already bound to the session, the object is replaced.

After this method executes, and if the new object implements HttpSessionBindingListener, the container calls HttpSessionBindingListener.valueBound. The container then notifies any HttpSessionAttributeListeners in the web application.

If an object was already bound to this session of this name that implements HttpSessionBindingListener, its HttpSessionBindingListener.valueUnbound method is called.

If the value passed in is null, this has the same effect as calling removeAttribute().

Specified by:

setAttribute in interface HttpSession

Parameters:

name - the name to which the object is bound; cannot be null

value - the object to be bound

putValue

@Deprecated
public void putValue(String name,
                                  Object value)

Deprecated. As of Version 2.2, this method is replaced by setAttribute(java.lang.String, java.lang.Object)

Specified by:

putValue in interface HttpSession

Parameters:

name - the name to which the object is bound; cannot be null

value - the object to be bound; cannot be null

removeAttribute

public void removeAttribute(String name)

Description copied from interface: javax.servlet.http.HttpSession

Removes the object bound with the specified name from this session. If the session does not have an object bound with the specified name, this method does nothing.

After this method executes, and if the object implements HttpSessionBindingListener, the container calls HttpSessionBindingListener.valueUnbound. The container then notifies any HttpSessionAttributeListeners in the web application.

Specified by:

removeAttribute in interface HttpSession

Parameters:

name - the name of the object to remove from this session

removeValue

@Deprecated
public void removeValue(String name)

Deprecated. As of Version 2.2, this method is replaced by removeAttribute(java.lang.String)

Specified by:

removeValue in interface HttpSession

Parameters:

name - the name of the object to remove from this session

invalidate

public void invalidate()

Description copied from interface: javax.servlet.http.HttpSession

Invalidates this session then unbinds any objects bound to it.

Specified by:

invalidate in interface HttpSession

isNew

public boolean isNew()

Description copied from interface: javax.servlet.http.HttpSession

Returns true if the client does not yet know about the session or if the client chooses not to join the session. For example, if the server used only cookie-based sessions, and the client had disabled the use of cookies, then a session would be new on each request.

Specified by:

isNew in interface HttpSession

Returns:

true if the server has created a session, but the client has not yet joined