de.fhg.igd.gps.servlets
Class GPSServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          de.fhg.igd.semoa.web.servlet.ImageServlet
              de.fhg.igd.gps.servlets.GPSServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class GPSServlet

extends ImageServlet

This servlet class provides maps according to the current location (given by the GPSService). Called via the registered URL, this servlet supports the following parameters:

• reset
• resethistory
• fit
• focus
• history
• map =
• width =
• height =
• radius =
• deltax =
• deltay =
• zoom =
• pos =

See Also:

Serialized Form

Field Summary

protected WGS84Coordinate	currentLocation_
protected boolean	fit_
protected boolean	focus_
protected GPSService	gps_
protected int	height_
protected boolean	history_
protected MapInfo	mapInfo_
protected SortedMap	mapRequester_
static String	MR_DA1
static String	MR_DA2
static String	MR_DA3
static String	MR_MAPBLAST
protected int	width_

Fields inherited from class de.fhg.igd.semoa.web.servlet.ImageServlet

imageCache_, transparentColor_, typeCache_

Fields inherited from class javax.servlet.http.HttpServlet

Fields inherited from class javax.servlet.GenericServlet

Constructor Summary

GPSServlet()

Method Summary

BufferedImage	createImage(javax.servlet.http.HttpServletRequest request)
protected long	getCacheLifespan()
boolean	imageHasChanged(javax.servlet.http.HttpServletRequest request)
void	init(javax.servlet.ServletConfig servletConfig)
protected boolean	markCurrentLocation(WGS84Coordinate location, MapInfo info, BufferedImage image, Color color)
protected void	reset()

Methods inherited from class de.fhg.igd.semoa.web.servlet.ImageServlet

doGet, doPost, getTransparentColor, setTransparentColor

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, 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 Detail

MR_MAPBLAST

public static final String MR_MAPBLAST

See Also:

Constant Field Values

MR_DA1

public static final String MR_DA1

See Also:

Constant Field Values

MR_DA2

public static final String MR_DA2

See Also:

Constant Field Values

MR_DA3

public static final String MR_DA3

See Also:

Constant Field Values

currentLocation_

protected WGS84Coordinate currentLocation_

mapRequester_

protected SortedMap mapRequester_

gps_

protected GPSService gps_

mapInfo_

protected MapInfo mapInfo_

history_

protected boolean history_

focus_

protected boolean focus_

fit_

protected boolean fit_

width_

protected int width_

height_

protected int height_

Constructor Detail

GPSServlet

public GPSServlet()

Method Detail

getCacheLifespan

protected long getCacheLifespan()

Overrides:

getCacheLifespan in class ImageServlet

init

public void init(javax.servlet.ServletConfig servletConfig)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class ImageServlet

Throws:

javax.servlet.ServletException

reset

protected void reset()

markCurrentLocation

protected boolean markCurrentLocation(WGS84Coordinate location,
                                      MapInfo info,
                                      BufferedImage image,
                                      Color color)

imageHasChanged

public boolean imageHasChanged(javax.servlet.http.HttpServletRequest request)

Specified by:

imageHasChanged in class ImageServlet

createImage

public BufferedImage createImage(javax.servlet.http.HttpServletRequest request)

Specified by:

createImage in class ImageServlet