com.atakmap.android.layers

Class GenericLayerScanner

java.lang.Object

com.atakmap.android.layers.LayerScanner

com.atakmap.android.layers.GenericLayerScanner

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

ApassMosaicScanner, GdalLayerScanner, GdalMosaicScanner, MobacLayerScanner, TilesetLayerScanner

public abstract class GenericLayerScanner
extends LayerScanner

Nested Class Summary

Nested classes/interfaces inherited from class com.atakmap.android.layers.LayerScanner

LayerScanner.Callback, LayerScanner.Spi

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	_TAG
protected static int	ACCEPT
protected static int	DELAY
protected static int	REJECT
static java.lang.String	TAG

Fields inherited from class com.atakmap.android.layers.LayerScanner

canceled, database, name

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GenericLayerScanner(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
protected abstract int	checkFile(int depth, java.io.File f)
protected static java.io.File[]	getDefaultScanDirs(java.lang.String subdir, boolean ignoreInternal) Returns an array of scanning directories based on the specified subdirectory using the result of ScanLayersService.getRootDirs() as the parent directories.
protected abstract java.lang.String	getProviderHint(int depth, java.io.File f)
protected abstract java.io.File[]	getScanDirs()
void	run()
protected void	scanDirectory(int depth, java.io.File dir) Scans the specified directory.

Methods inherited from class com.atakmap.android.layers.LayerScanner

cancel, cancelImpl, debug, error, getName, layerDiscovered, prepare, progress, reset

Methods inherited from class java.lang.Object

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

Field Detail

TAG

public static final java.lang.String TAG

See Also:

Constant Field Values

ACCEPT

protected static final int ACCEPT

See Also:

Constant Field Values

REJECT

protected static final int REJECT

See Also:

Constant Field Values

DELAY

protected static final int DELAY

See Also:

Constant Field Values

_TAG

public static java.lang.String _TAG

Constructor Detail

GenericLayerScanner

protected GenericLayerScanner(java.lang.String name)

Method Detail

getScanDirs

protected abstract java.io.File[] getScanDirs()

run

public final void run()

Specified by:

run in interface java.lang.Runnable

Specified by:

run in class LayerScanner

scanDirectory

protected void scanDirectory(int depth,
                             java.io.File dir)

Scans the specified directory. Any files that already reside in the data store are skipped as they are considered valid.

Parameters:

depth - The recursion depth

dir - The directory to scan

checkFile

protected abstract int checkFile(int depth,
                                 java.io.File f)

Parameters:

f - the file to check

Returns:

one of ACCEPT, REJECT, or DELAY.

getProviderHint

protected abstract java.lang.String getProviderHint(int depth,
                                                    java.io.File f)

getDefaultScanDirs

protected static java.io.File[] getDefaultScanDirs(java.lang.String subdir,
                                                   boolean ignoreInternal)

Returns an array of scanning directories based on the specified subdirectory using the result of ScanLayersService.getRootDirs() as the parent directories.

Parameters:

subdir - the subdirectory name to append to the known root directories.

ignoreInternal - specify if internal directories should be ignored.

Returns:

the array of Files representing the directories to be scanned.