org.cometd.bayeux.server
Interface BayeuxContext

public interface BayeuxContext

The Bayeux Context provides information about the current context of a Bayeux message.

This information may be from an associated HTTP request, or a HTTP request used to originally establish the connection (for example in a websocket handshake).

Method Summary

Object	getContextAttribute(String name) Access the ServletContext (if any) attributes.
String	getContextInitParameter(String name) Access the ServletContext (if any) init parameter.
String	getCookie(String name) Get a transport cookie.
String	getHeader(String name) Get a transport header.
List<String>	getHeaderValues(String name) Get a multi valued transport header.
Object	getHttpSessionAttribute(String name) Access the HTTP Session (if any) attributes.
String	getHttpSessionId() Access the HTTP Session (if any) ID.
InetSocketAddress	getLocalAddress()
String	getParameter(String name) Get a transport parameter.
List<String>	getParameterValues(String name) Get a multi valued transport parameter.
InetSocketAddress	getRemoteAddress()
Object	getRequestAttribute(String name) Access the Request (if any) attributes.
String	getURL()
Principal	getUserPrincipal()
void	invalidateHttpSession() Invalidate the HTTP Session.
boolean	isUserInRole(String role)
void	setHttpSessionAttribute(String name, Object value) Access the HTTP Session (if any) attributes.

Method Detail

getUserPrincipal

Principal getUserPrincipal()

Returns:

The user Principal (if any)

isUserInRole

boolean isUserInRole(String role)

Parameters:

role - the role to check whether the user belongs to

Returns:

true if there is a known user and they are in the given role.

getRemoteAddress

InetSocketAddress getRemoteAddress()

Returns:

the remote socket address

getLocalAddress

InetSocketAddress getLocalAddress()

Returns:

the local socket address

getHeader

String getHeader(String name)

Get a transport header.

Get a header for any current transport mechanism (eg HTTP request). For transports like websocket, the header may be from the initial handshake.

Parameters:

name - The name of the header

Returns:

The header value or null if no current transport mechanism or no such header.

getHeaderValues

List<String> getHeaderValues(String name)

Get a multi valued transport header.

Get a header for any current transport mechanism (eg HTTP request). For transports like websocket, the header may be from the initial handshake.

Parameters:

name - The name of the header

Returns:

The header value or null if no current transport mechanism or no such header.

getParameter

String getParameter(String name)

Get a transport parameter.

Get a parameter for any current transport mechanism (eg HTTP request). For transports like websocket, the parameter may be from the initial handshake.

Parameters:

name - The name of the parameter

Returns:

The parameter value or null if no current transport mechanism or no such parameter.

getParameterValues

List<String> getParameterValues(String name)

Get a multi valued transport parameter.

Get a parameter for any current transport mechanism (eg HTTP request). For transports like websocket, the parameter may be from the initial handshake.

Parameters:

name - The name of the parameter

Returns:

The parameter value or null if no current transport mechanism or no such parameter.

getCookie

String getCookie(String name)

Get a transport cookie.

Get a cookie for any current transport mechanism (eg HTTP request). For transports like websocket, the cookie may be from the initial handshake.

Parameters:

name - The name of the cookie

Returns:

The cookie value or null if no current transport mechanism or no such cookie.

getHttpSessionId

String getHttpSessionId()

Access the HTTP Session (if any) ID. The Session.getId() should be used in preference to the HTTP Session.

Returns:

HTTP session ID or null

getHttpSessionAttribute

Object getHttpSessionAttribute(String name)

Access the HTTP Session (if any) attributes. The Session.getAttribute(String) should be used in preference to the HTTP Session.

Parameters:

name - the attribute name

Returns:

The attribute value

setHttpSessionAttribute

void setHttpSessionAttribute(String name,
                             Object value)

Access the HTTP Session (if any) attributes. The Session.setAttribute(String, Object) should be used in preference to the HTTP Session.

Parameters:

name - the attribute name

value - the attribute value

invalidateHttpSession

void invalidateHttpSession()

Invalidate the HTTP Session. The Session.getId() should be used in preference to the HTTP Session.

getRequestAttribute

Object getRequestAttribute(String name)

Access the Request (if any) attributes.

Parameters:

name - the attribute name

Returns:

The attribute value

getContextAttribute

Object getContextAttribute(String name)

Access the ServletContext (if any) attributes.

Parameters:

name - the attribute name

Returns:

The attribute value

getContextInitParameter

String getContextInitParameter(String name)

Access the ServletContext (if any) init parameter.

Parameters:

name - the init parameter name

Returns:

The attribute value

getURL

String getURL()

Returns:

the full request URI complete with query string if present.