zeta.handler.statistic
Class LocationsHandler

java.lang.Object
  |
  +--zeta.handler.statistic.AbstractHandler
        |
        +--zeta.handler.statistic.LocationsHandler

All Implemented Interfaces:

GetHandler

public class LocationsHandler

extends AbstractHandler

Handles a GET request for the statistic 'locations'.

Nested Class Summary

Nested classes inherited from class zeta.handler.statistic.AbstractHandler

AbstractHandler.InnerPageBuffer

Field Summary

private java.util.Map	computers
private java.util.List	countryData
private java.util.List	countryPos
private java.util.List	isoCountryCode

Fields inherited from class zeta.handler.statistic.AbstractHandler

imgHeight, imgWidth, servlet

Constructor Summary

LocationsHandler(ZetaServlet servlet)

Method Summary

java.awt.image.BufferedImage	createImage(java.sql.Connection con, java.lang.String imageName) Creates PNG image for a specified name which is defined in the HTML page.
java.lang.String	createPage(java.sql.Connection con) Creates HTML page with the content of the statistic 'locations'.
private static java.awt.Color	getColor(int value) Returns same color for values inside a range.
static void	main(java.lang.String[] args)

Methods inherited from class zeta.handler.statistic.AbstractHandler

createPage, doGet, getBufferedPage, getImageHeight, getImageWidth, getInnerPageBuffer, getInnerPageExpiredDiffTime, getPageExpiredDiffTime, imageUpdateCompleted, isImageExpired, isInnerPageExpired, isPageExpired, pageUpdateCompleted

Methods inherited from class java.lang.Object

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

Field Detail

computers

private java.util.Map computers

isoCountryCode

private java.util.List isoCountryCode

countryData

private java.util.List countryData

countryPos

private java.util.List countryPos

Constructor Detail

LocationsHandler

public LocationsHandler(ZetaServlet servlet)

Parameters:

servlet - servlet which owns this handler.

Method Detail

createPage

public java.lang.String createPage(java.sql.Connection con)
                            throws java.sql.SQLException,
                                   javax.servlet.ServletException

Creates HTML page with the content of the statistic 'locations'.

Specified by:

createPage in class AbstractHandler

Parameters:

con - connection to the back-end database

Returns:

HTML page with the content of the statistic 'locations'.

java.sql.SQLException

javax.servlet.ServletException

createImage

public java.awt.image.BufferedImage createImage(java.sql.Connection con,
                                                java.lang.String imageName)
                                         throws java.sql.SQLException,
                                                javax.servlet.ServletException

Creates PNG image for a specified name which is defined in the HTML page.

Overrides:

createImage in class AbstractHandler

Parameters:

con - connection to the back-end database

imageName - name of the image

Returns:

PNG image for a specified name which is defined in the HTML page.

java.sql.SQLException

javax.servlet.ServletException

getColor

private static java.awt.Color getColor(int value)

Returns same color for values inside a range.

Parameters:

value - value

Returns:

same color for values inside a range.

main

public static void main(java.lang.String[] args)