org.gvsig.educa.portableview.impl

Class MapResoucesManager

java.lang.Object

org.gvsig.educa.portableview.impl.MapResoucesManager

All Implemented Interfaces:

Disposable

public class MapResoucesManager
extends java.lang.Object
implements Disposable

This class manages the temporal folder for PortableView openings

The main function of this class are:

• Unzip Portable View file contents on open
• Clean temporal folder on close all instances of a map
• Keep a register of map instances which still opened
• Keep a cache of map info and mapContext

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_RESOUCES

Constructor Summary

Constructors

Constructor and Description
MapResoucesManager(PortableViewLoader mapLoader)

Method Summary

Modifier and Type	Method and Description
void	addResource(DefaultPortableView map) Adds a resource to the pool
void	adjustResourceSize() Removed the oldest resources if pools contains more than MAX_RESOUCES
void	cleanAllResources() Clean all open resources
void	cleanDeadMapReferences() Cleans all dead weak references to Portable view opened form all resources
void	closeMap(DefaultPortableView map) Remove portable view instance form opened map register of resource.
void	dispose()
PortableViewInformation	getInfoOfFile(java.io.File mapFile) Gets PortableViewInformation from a PortableView file
boolean	isOpen(DefaultPortableView map) Informs if a Portable view instance has been open
MapContext	openMap(DefaultPortableView map) Opens a map Deploy context of a PortableView file so it can be accessible if it isn't done yet

Methods inherited from class java.lang.Object

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

Field Detail

MAX_RESOUCES

public static final int MAX_RESOUCES

See Also:

Constant Field Values

Constructor Detail

MapResoucesManager

public MapResoucesManager(PortableViewLoader mapLoader)

Method Detail

cleanAllResources

public void cleanAllResources()

Clean all open resources

getInfoOfFile

public PortableViewInformation getInfoOfFile(java.io.File mapFile)

Gets PortableViewInformation from a PortableView file

Parameters:

mapFile -

Returns:

addResource

public void addResource(DefaultPortableView map)

Adds a resource to the pool

Parameters:

map -

adjustResourceSize

public void adjustResourceSize()

Removed the oldest resources if pools contains more than MAX_RESOUCES

openMap

public MapContext openMap(DefaultPortableView map)
                   throws InvalidPortableViewFormatException,
                          CantLoadContextException,
                          java.io.IOException

Opens a map

Deploy context of a PortableView file so it can be accessible if it isn't done yet

Parameters:

map -

Returns:

Throws:

InvalidPortableViewFormatException

CantLoadContextException

java.io.IOException

closeMap

public void closeMap(DefaultPortableView map)

Remove portable view instance form opened map register of resource. Cleans deploy folder if there is no more instance map opened

Parameters:

map -

cleanDeadMapReferences

public void cleanDeadMapReferences()

Cleans all dead weak references to Portable view opened form all resources

isOpen

public boolean isOpen(DefaultPortableView map)

Informs if a Portable view instance has been open

Parameters:

map -

Returns:

dispose

public void dispose()

Specified by:

dispose in interface Disposable