com.oldlight.weaver.context
Interface WeaverApplicationContext

All Known Implementing Classes:

WeaverApplicationContextImpl

public interface WeaverApplicationContext

The WeaverApplicationContext interface manages application scoped (context wide) values.

Author:

Paul Harvey

Method Summary

Object	getAttribute(String name) Gets an application scoped attribute.
String	getConfigValue(String name) Retrieves a global/context-wide configuration value.
Set	getConfigValueNames() Gets all configuration value names.
String	getInitParameter(String name) Gets an application scoped init parameter.
String	getMimeType(String file) Returns a MIME type of derived from a file name.
String	getRealPath(String thePath) Returns a String containing the real path for a given virtual path.
void	removeAttribute(String name) Removes an application scoped attribute.
void	setAttribute(String name, Object value) Sets an application scoped attribute.

Method Detail

getMimeType

public String getMimeType(String file)

Returns a MIME type of derived from a file name.

Parameters:

file - The name of the file from which to determine the MIME type.

Returns:

The MIME type.

getConfigValue

public String getConfigValue(String name)

Retrieves a global/context-wide configuration value.

Parameters:

name - Name of the config value to retrieve.

Returns:

Configuration value, or null if it can't be found.

getConfigValueNames

public Set getConfigValueNames()

Gets all configuration value names.

Returns:

Set of configuration value names.

getRealPath

public String getRealPath(String thePath)

Returns a String containing the real path for a given virtual path. See the documentation for ServletContext.getRealPath.

Parameters:

thePath - The virtual path.

Returns:

The real path determined from the given virtual path.

getAttribute

public Object getAttribute(String name)

Gets an application scoped attribute.

Parameters:

name - The name of the attribute to be retrieved.

Returns:

The retrieved attribute - or null if the attribute cannot be found.

setAttribute

public void setAttribute(String name,
                         Object value)

Sets an application scoped attribute.

Parameters:

name - The name of the attribute to set.

value - The value to set the attribute to.

removeAttribute

public void removeAttribute(String name)

Removes an application scoped attribute.

Parameters:

name - The name of the attribute to remove.

getInitParameter

public String getInitParameter(String name)

Gets an application scoped init parameter.

Parameters:

name - of the parameter.

Returns:

Value of the named parameter, or null if it cannot be found.