Package mil.nga.geopackage.tiles

Class UrlTileGenerator

java.lang.Object

mil.nga.geopackage.tiles.TileGenerator

mil.nga.geopackage.tiles.UrlTileGenerator

public class UrlTileGenerator
extends TileGenerator

Creates a set of tiles within a GeoPackage by downloading the tiles from a URL

Field Summary

Fields inherited from class mil.nga.geopackage.tiles.TileGenerator

boundingBox, context, projection

Constructor Summary

Constructors

Constructor	Description
UrlTileGenerator(Context context, GeoPackage geoPackage, String tableName, String tileUrl, int minZoom, int maxZoom, BoundingBox boundingBox, Projection projection)	Constructor

Method Summary

Modifier and Type	Method	Description
void	addHTTPHeaderValue(String field, String value)	Add a HTTP Header field value, appending to any existing values for the field
void	addHTTPHeaderValues(String field, List<String> values)	Add HTTP Header field values, appending to any existing values for the field
protected byte[]	createTile(int z, long x, long y)	Create the tile
Map<String,List<String>>	getHttpHeader()	Get the HTTP Header fields and field values
List<String>	getHttpHeaderValues(String field)	Get the HTTP Header field values
String	getHttpMethod()	Get the HTTP request method, when null default is "GET"
boolean	isTms()	Is TMS URL
protected void	preTileGeneration()	Called after set up and right before tile generation starts for the first zoom level
void	setHttpMethod(String httpMethod)	Set the HTTP request method
void	setTms(boolean tms)	Set the TMS URL flag

Methods inherited from class mil.nga.geopackage.tiles.TileGenerator

close, generateTiles, getBoundingBox, getBoundingBox, getCompressFormat, getCompressQuality, getGeoPackage, getMaxZoom, getMinZoom, getProgress, getScaling, getTableName, getTileCount, isSkipExisting, isXYZTiles, setBitmapCompressionConfig, setCompressFormat, setCompressQuality, setProgress, setScaling, setSkipExisting, setXYZTiles

Methods inherited from class java.lang.Object

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

Constructor Detail

UrlTileGenerator

public UrlTileGenerator(Context context,
                        GeoPackage geoPackage,
                        String tableName,
                        String tileUrl,
                        int minZoom,
                        int maxZoom,
                        BoundingBox boundingBox,
                        Projection projection)

Constructor

Parameters:

context - app context

geoPackage - GeoPackage

tableName - table name

tileUrl - tile url

minZoom - min zoom

maxZoom - max zoom

boundingBox - tiles bounding box

projection - tiles projection

Since:

1.3.0

Method Detail

isTms

public boolean isTms()

Is TMS URL

Returns:

true if TMS URL

Since:

1.2.1

setTms

public void setTms(boolean tms)

Set the TMS URL flag

Parameters:

tms - true if a TMS URL

Since:

1.2.1

getHttpMethod

public String getHttpMethod()

Get the HTTP request method, when null default is "GET"

Returns:

method

setHttpMethod

public void setHttpMethod(String httpMethod)

Set the HTTP request method

Parameters:

httpMethod - method ("GET", "POST")

getHttpHeader

public Map<String,List<String>> getHttpHeader()

Get the HTTP Header fields and field values

Returns:

header map

getHttpHeaderValues

public List<String> getHttpHeaderValues(String field)

Get the HTTP Header field values

Parameters:

field - field name

Returns:

field values

addHTTPHeaderValue

public void addHTTPHeaderValue(String field,
                               String value)

Add a HTTP Header field value, appending to any existing values for the field

Parameters:

field - field name

value - field value

addHTTPHeaderValues

public void addHTTPHeaderValues(String field,
                                List<String> values)

Add HTTP Header field values, appending to any existing values for the field

Parameters:

field - field name

values - field values

preTileGeneration

protected void preTileGeneration()

Called after set up and right before tile generation starts for the first zoom level

Specified by:

preTileGeneration in class TileGenerator

createTile

protected byte[] createTile(int z,
                            long x,
                            long y)

Create the tile

Specified by:

createTile in class TileGenerator

Parameters:

z - zoom level

x - x coordinate

y - y coordinate

Returns:

tile bytes