net.sourceforge.scopes.impl
Class StateImpl

java.lang.Object
  net.sourceforge.scopes.impl.StateImpl

All Implemented Interfaces:

State

public class StateImpl
extends java.lang.Object
implements State

Simple implementation for a state.

Constructor Summary

StateImpl()
Constructor.

Method Summary

java.lang.Object	getAttribute(java.lang.String attributeName) Returns an attribute, searching in all contexts, until it finds one.
java.lang.Object	getAttribute(java.lang.String contextName, java.lang.String attributeName) Returns an attribute in a context.
java.util.Set<java.lang.String>	getAttributeNames() Returns all attribute names in all contexts.
java.util.Set<java.lang.String>	getAttributeNames(java.lang.String contextName) Returns the attribute names for a particular context.
Context	getContext(java.lang.String contextName) Returns a context object.
java.util.Set<java.lang.String>	getContextNames() Returns the names of the used contexts.
void	removeAttribute(java.lang.String attributeName) Removes an attribute in every context.
void	removeAttribute(java.lang.String contextName, java.lang.String attributeName) Removes an attribute from a context.
void	setAttribute(java.lang.String attributeName, java.lang.Object object) Sets an attribute, searching if it exists.
void	setAttribute(java.lang.String contextName, java.lang.String attributeName, java.lang.Object object)
void	setContext(java.lang.String contextName, Context context) Sets a context, giving its context name.

Methods inherited from class java.lang.Object

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

Constructor Detail

StateImpl

public StateImpl()

Constructor.

Method Detail

getContextNames

public java.util.Set<java.lang.String> getContextNames()

Description copied from interface: State

Returns the names of the used contexts.

Specified by:

getContextNames in interface State

Returns:

The set of context names.

setContext

public void setContext(java.lang.String contextName,
                       Context context)

Sets a context, giving its context name.

Parameters:

contextName - The context name.

context - The context object.

getContext

public Context getContext(java.lang.String contextName)

Description copied from interface: State

Returns a context object.

Specified by:

getContext in interface State

Parameters:

contextName - The context name.

Returns:

The needed context object.

getAttribute

public java.lang.Object getAttribute(java.lang.String contextName,
                                     java.lang.String attributeName)

Description copied from interface: State

Returns an attribute in a context.

Specified by:

getAttribute in interface State

Parameters:

contextName - The name of the context.

attributeName - The name of the attribute.

Returns:

The needed attribute.

getAttributeNames

public java.util.Set<java.lang.String> getAttributeNames(java.lang.String contextName)

Description copied from interface: State

Returns the attribute names for a particular context.

Specified by:

getAttributeNames in interface State

Parameters:

contextName - The name of the context.

Returns:

The attribute name set.

setAttribute

public void setAttribute(java.lang.String contextName,
                         java.lang.String attributeName,
                         java.lang.Object object)

Specified by:

setAttribute in interface State

removeAttribute

public void removeAttribute(java.lang.String contextName,
                            java.lang.String attributeName)

Description copied from interface: State

Removes an attribute from a context.

Specified by:

removeAttribute in interface State

Parameters:

contextName - The name of the context.

attributeName - The attribute to remove.

getAttribute

public java.lang.Object getAttribute(java.lang.String attributeName)

Description copied from interface: State

Returns an attribute, searching in all contexts, until it finds one.

Specified by:

getAttribute in interface State

Parameters:

attributeName - The attribute name to search.

Returns:

The attribute.

getAttributeNames

public java.util.Set<java.lang.String> getAttributeNames()

Description copied from interface: State

Returns all attribute names in all contexts.

Specified by:

getAttributeNames in interface State

Returns:

The attribute name set.

setAttribute

public void setAttribute(java.lang.String attributeName,
                         java.lang.Object object)

Description copied from interface: State

Sets an attribute, searching if it exists. If it is found, it overwrites it, otherwise does nothing.

Specified by:

setAttribute in interface State

Parameters:

attributeName - The name of the attribute to overwrite.

object - The new attribute

removeAttribute

public void removeAttribute(java.lang.String attributeName)

Description copied from interface: State

Removes an attribute in every context.

Specified by:

removeAttribute in interface State

Parameters:

attributeName - The attribute to remove.