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Java Classes

As well as the Windows 9x programs that I have written, I'm a bit of a Java fan and have written some some programs in that language. You can find the only one which is actually (just about) working (RajCal) on it's own page, but while I was writing these, I wrote some utility classes that made development a bit easier. These are what you will find on this page, collectively found in the package com.raj.extensions.

• ExtendedGCalendar
• SendingMail
• Browser detector
• Utils

 

ExtendedGCalendar

In my opinion, the java.util.Calendar class that comes as part of the standard library is missing a few functions that I needed, so I extended it myself, and will now make my extensions available publically from this site.

 

SendingMail

As part of my work, I have needed to be able to send emails several times from within Java, but Sun's JavaMail API seemed bloated and too large and cumbersome for what I wanted, so I wrote a simple class that encapsulates an email message. It basically just opens a socket to an SMTP server and writes an email directly to it. There is also a graphical interface that I wrote for it when I was a bit bored, called MailSender.

 

Browser Dectector

This is a JavaBean that allows you to detect the browser, version and platform of a user agent in a JavaServer Page (JSP). I needed one of these when I was doing some work once and I couldn't find a Java version (although there were plenty of JavaScript ones!) so I ported a PHP browser detection script that I found.

 

Utils

This contains several utility functions that I found that I constantly needed when I was writing this or that program, so I abstracted them to this utility class. This has five methods in it:

• Method to strip quotes out of a string
• Method to return the name of a month given its numerical value
• Method to get the number of days in a given month
• Methods to print a string

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All the classes included in the package are documented with JavaDoc, which is included in the package. The documentation can also be read online here.

Note: I have used these extensions for my own personal use and cannot guarantee that they have been thoroughly tested.

Downloads

Download com.raj.extensions
Read the JavaDoc documentation.

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