org.openstreetmap.gui.jmapviewer

Class OsmFileCacheTileLoader.FileLoadJob

java.lang.Object

org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader.FileLoadJob

All Implemented Interfaces:

java.lang.Runnable, TileJob

Enclosing class:

OsmFileCacheTileLoader

protected class OsmFileCacheTileLoader.FileLoadJob
extends java.lang.Object
implements TileJob

Field Summary

Fields

Modifier and Type	Field and Description
(package private) long	fileAge
(package private) boolean	fileTilePainted
(package private) java.io.InputStream	input
(package private) Tile	tile
(package private) java.io.File	tileCacheDir
(package private) java.io.File	tileFile

Constructor Summary

Constructors

Constructor and Description
FileLoadJob(Tile tile)

Method Summary

Modifier and Type	Method and Description
protected java.io.File	getTagsFile()
Tile	getTile() Function to return the tile associated with the job
protected java.io.File	getTileFile()
protected boolean	hasOsmTileETag(java.lang.String eTag)
protected boolean	isOsmTileNewer(long fileAge) Performs a HEAD request for retrieving the LastModified header value.
private void	loadOldETagfromFile() Load backward-compatiblity .etag file and if it exists move it to new .tags file
protected void	loadOrUpdateTile()
protected void	loadTagsFromFile()
protected boolean	loadTileFromFile()
protected byte[]	loadTileInBuffer(java.net.URLConnection urlConn)
void	run()
protected void	saveTagsToFile()
protected void	saveTileToFile(byte[] rawData)

Methods inherited from class java.lang.Object

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

Field Detail

input

java.io.InputStream input

tile

Tile tile

tileCacheDir

java.io.File tileCacheDir

tileFile

java.io.File tileFile

fileAge

long fileAge

fileTilePainted

boolean fileTilePainted

Constructor Detail

FileLoadJob

public FileLoadJob(Tile tile)

Method Detail

getTile

public Tile getTile()

Description copied from interface: TileJob

Function to return the tile associated with the job

Specified by:

getTile in interface TileJob

Returns:

Tile to be handled

run

public void run()

Specified by:

run in interface java.lang.Runnable

loadOrUpdateTile

protected void loadOrUpdateTile()

loadTileFromFile

protected boolean loadTileFromFile()

loadTileInBuffer

protected byte[] loadTileInBuffer(java.net.URLConnection urlConn)
                           throws java.io.IOException

Throws:

java.io.IOException

isOsmTileNewer

protected boolean isOsmTileNewer(long fileAge)
                          throws java.io.IOException

Performs a HEAD request for retrieving the LastModified header value. Note: This does only work with servers providing the LastModified header:

• OsmTileSource.CycleMap - supported
• OsmTileSource.Mapnik - not supported

Parameters:

fileAge - time of the

Returns:

true if the tile on the server is newer than the file

Throws:

java.io.IOException

hasOsmTileETag

protected boolean hasOsmTileETag(java.lang.String eTag)
                          throws java.io.IOException

Throws:

java.io.IOException

getTileFile

protected java.io.File getTileFile()

getTagsFile

protected java.io.File getTagsFile()

saveTileToFile

protected void saveTileToFile(byte[] rawData)

saveTagsToFile

protected void saveTagsToFile()

loadOldETagfromFile

private void loadOldETagfromFile()

Load backward-compatiblity .etag file and if it exists move it to new .tags file

loadTagsFromFile

protected void loadTagsFromFile()