org.talika.tarsis.context
Interface Context

All Known Implementing Classes:

ContextImpl

public interface Context

Interface that defines the context in Tarsis MVC Framework.

Context defines a set of methods that allows access services provided by it. These services includes access to object factories, init parameters or logger.

Context is passed to all components defined in Tarsis MVC Framework when they are initialized.

Version:

$Revision: 117 $

Author:

Jose M. Palomar

Method Summary

Authenticator	getAuthenticator() Returns default Authenticator for this context.
Authorizator	getAuthorizator() Returns default Authorizator for this context.
CommandFactory	getCommandFactory() Returns default CommandFactory for this context.
Factory	getFactory(java.lang.String name) Returns an object Factory for given name in this context.
java.lang.String	getInitParameter(java.lang.String name) Returns an init parameter of this context.
java.util.Map	getInitParameters() Returns a map with all the init parameters of this context.
Logger	getLogger() Returns Logger of this context.
java.lang.String	getRealPath(java.lang.String path) Returns a String containing the real path for a given virtual path.
java.net.URL	getResource(java.lang.String path) Returns a URL to the resource that is mapped to a specified path.
java.io.InputStream	getResourceAsStream(java.lang.String path) Returns the resource located at the named path as an InputStream object.

Method Detail

getInitParameter

public java.lang.String getInitParameter(java.lang.String name)

Returns an init parameter of this context.

Parameters:

name - String name of parameter.

Returns:

String value of parameter or null if parameter does not exist.

getInitParameters

public java.util.Map getInitParameters()

Returns a map with all the init parameters of this context.

Returns:

Map map with all the init parameters of this context.

getAuthenticator

public Authenticator getAuthenticator()

Returns default Authenticator for this context.

Returns:

Authenticator default Authenticator for this context.

getAuthorizator

public Authorizator getAuthorizator()

Returns default Authorizator for this context.

Returns:

Authorizator default Authorizator for this context.

getLogger

public Logger getLogger()

Returns Logger of this context.

Returns:

Logger Logger of this context.

getCommandFactory

public CommandFactory getCommandFactory()

Returns default CommandFactory for this context.

Returns:

CommandFactory default CommandFactory for this context.

getFactory

public Factory getFactory(java.lang.String name)

Returns an object Factory for given name in this context.

Parameters:

name - String name of factory.

Returns:

Factory object Factory for given name in this context or null if does not exist.

getResource

public java.net.URL getResource(java.lang.String path)
                         throws java.net.MalformedURLException

Returns a URL to the resource that is mapped to a specified path.

Parameters:

path - String a String specifying the path to the resource.

Returns:

URL the resource located at the named path, or null if there is no resource at that path.

Throws:

java.net.MalformedURLException - if the pathname is not given in the correct form.

See Also:

ServletContext.getResource(java.lang.String)

getResourceAsStream

public java.io.InputStream getResourceAsStream(java.lang.String path)

Returns the resource located at the named path as an InputStream object.

Parameters:

path - String a String specifying the path to the resource.

Returns:

InputStream the InputStream returned to the servlet, or null if no resource exists at the specified path.

See Also:

ServletContext.getResourceAsStream(java.lang.String)

getRealPath

public java.lang.String getRealPath(java.lang.String path)

Returns a String containing the real path for a given virtual path.

Parameters:

path - String a String specifying the path to the resource.

Returns:

String a String specifying the real path, or null if the translation cannot be performed

See Also:

ServletContext.getRealPath(java.lang.String)