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Java Source Code / Java Documentation » J2EE » Enhydra Demos » calculator

Source Cross Reference

Class Diagram

Java Document (Java Doc)

calculator .CalcApp

CalcApp

public class CalcApp extends StandardApplication (Code)

This is a sample Enhydra application. It simulates a simple calculator. A scan of a real calculator is used for the front end, with an image map.

A global counter of the number of buttons pushed (across all users) is kept here.

Noramlly an Enhydra application would make note of various settings in the config file, but this application is so simple it needs no configuration.

Field Summary
public long	buttonsPushed A hit counter for the number of buttons pressed by all users.

Method Summary
public boolean	requestPreprocessor(HttpPresentationComms comms)
public void	startup(Config appConfig)
public String	toHtml() Show the number of buttons pressed.

Field Detail

buttonsPushed
public long buttonsPushed(Code)
	A hit counter for the number of buttons pressed by all users.

Method Detail

requestPreprocessor
public boolean requestPreprocessor(HttpPresentationComms comms) throws Exception(Code)

startup
public void startup(Config appConfig) throws ApplicationException(Code)

toHtml
public String toHtml()(Code)
	Show the number of buttons pressed. This will only be called by the Enhydra Multiserver (it won't show up in other servers). HTML that is displayed in the status page of the Multiserver.

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