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:: 7.0
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.

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
getConnectionPool

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.
  
  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