uk.ltd.getahead.dwr
Interface WebContext

All Known Implementing Classes:

DefaultWebContext, ExecutionContext

public interface WebContext

Class to enable us to access servlet parameters.

Author:

Joe Walker [joe at getahead dot ltd dot uk]

Method Summary

java.lang.String	forwardToString(java.lang.String url) Forward a request to a given URL and catch the data written to it
Container	getContainer() Accessor for the IoC container.
javax.servlet.http.HttpServletRequest	getHttpServletRequest() Accessor for the http request information.
javax.servlet.http.HttpServletResponse	getHttpServletResponse() Accessor for the http response bean.
javax.servlet.ServletConfig	getServletConfig() Accessor for the servlet config.
javax.servlet.ServletContext	getServletContext() Returns the ServletContext to which this session belongs.
javax.servlet.http.HttpSession	getSession() Returns the current session associated with this request, or if the request does not have a session, creates one.
javax.servlet.http.HttpSession	getSession(boolean create) Returns the current HttpSession associated with this request or, if there is no current session and create is true, returns a new session.
java.lang.String	getVersion() Fish the version number out of the dwr.properties file.

Method Detail

getContainer

Container getContainer()

Accessor for the IoC container.

Returns:

The IoC container that created the interface implementations.

getSession

javax.servlet.http.HttpSession getSession()

Returns the current session associated with this request, or if the request does not have a session, creates one.

Returns:

Returns the http session.

See Also:

HttpServletRequest.getSession()

getSession

javax.servlet.http.HttpSession getSession(boolean create)

Returns the current HttpSession associated with this request or, if there is no current session and create is true, returns a new session. If create is false and the request has no valid HttpSession, this method returns null.

Parameters:

create - false to return null if there's no current session

Returns:

the session associated with this request

See Also:

HttpServletRequest.getSession(boolean)

getServletConfig

javax.servlet.ServletConfig getServletConfig()

Accessor for the servlet config.

Returns:

Returns the config.

getServletContext

javax.servlet.ServletContext getServletContext()

Returns the ServletContext to which this session belongs.

Returns:

The servlet context information.

getHttpServletRequest

javax.servlet.http.HttpServletRequest getHttpServletRequest()

Accessor for the http request information.

Returns:

Returns the request.

getHttpServletResponse

javax.servlet.http.HttpServletResponse getHttpServletResponse()

Accessor for the http response bean.

Returns:

Returns the response.

forwardToString

java.lang.String forwardToString(java.lang.String url)
                                 throws javax.servlet.ServletException,
                                        java.io.IOException

Forward a request to a given URL and catch the data written to it

Parameters:

url - The URL to forward to

Returns:

The text that results from forwarding to the given URL

Throws:

java.io.IOException - if the target resource throws this exception

javax.servlet.ServletException - if the target resource throws this exception

java.lang.IllegalStateException - if the response was already committed

getVersion

java.lang.String getVersion()

Fish the version number out of the dwr.properties file.

Returns:

The current version number.