Class TileServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.deltava.servlet.GenericServlet

org.deltava.servlet.TileServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

Direct Known Subclasses:

CustomTileServlet, TrackTileServlet, WeatherTileServlet

abstract class TileServlet
extends GenericServlet

A servlet to display Quad-tree tiles.

Since:

5.0

Version:

11.5

Author:

Luke

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	TileServlet.TileAddress5D	A class to store Tile Addresses including type name and date.

Nested classes/interfaces inherited from class org.deltava.servlet.GenericServlet

GenericServlet.ForbiddenException, GenericServlet.NotFoundException, GenericServlet.ServletSecurityContext

Field Summary

Fields

Modifier and Type	Field	Description
protected byte[]	EMPTY

Constructor Summary

Constructors

Constructor	Description
TileServlet()

Method Summary

Modifier and Type	Method	Description
protected TileServlet.TileAddress5D	getTileAddress(String uri, boolean getDate)	Parses a URI to get the five-dimensional tile address.
void	init()	Initializes the servlet and loads an empty tile buffer.
protected static void	writeTile(HttpServletResponse rsp, byte[] data)	Helper method to dump the tile data to the output stream.

Methods inherited from class org.deltava.servlet.GenericServlet

getURL

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Field Details

EMPTY

protected byte[] EMPTY

Constructor Details

TileServlet

TileServlet()

Method Details

init

public void init()

Initializes the servlet and loads an empty tile buffer.

Overrides:

init in class GenericServlet

getTileAddress

protected TileServlet.TileAddress5D getTileAddress(String uri,
 boolean getDate)

Parses a URI to get the five-dimensional tile address.

Parameters:

uri - the URI

getDate - TRUE if a data should be fetched, otherwise use current Date

Returns:

a TileAddress5D

writeTile

protected static void writeTile(HttpServletResponse rsp,
 byte[] data)

Helper method to dump the tile data to the output stream.

Parameters:

rsp - the HttpServletResponse

data - the tile image data