How to embed an applet in html?

ofeyrpf

How to embed an applet in html?

in Integration and Hardware • 2 years ago

Hi,

I want to embed an applet in an html page.

I have clicked on File->Export Applet and created the 5 files:

index.html
loading.gif
MySinWave3 (Nokia Application Installer File)
MySinWave2.java
MySinWave3.pde

I uploaded the last three files to my server and copied and pasted what was in 'index' into the html on my site.

Then I added a full link in the html so that the source code line near the bottom now reads

Source code: <a href="http://www.shanegibney.com/shanegibney/MySinWave2.pde">MySinWave2</a>

http://www.shanegibney.com/shanegibney/staticpages/index.php?page=20110824175438835

When I try to run it I get this error,

load: class MySinWave2.class not found.
java.lang.ClassNotFoundException: MySinWave2.class
    at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
    at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
    at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
    at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
    at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
    at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Exception: java.lang.ClassNotFoundException: MySinWave2.class

is there somewhere in the html that I should be linking to MySinWave2.java? I am not even sure if I have exported and created an applet correctly. Perhaps I should upload the whole applet directory to the server.

Any help would be greatly appreciated,

Thanks,

Shane

Replies(6)

PhiLho

Re: How to embed an applet in html?

2 years ago

archive="MySinWave2.jar"
You use a relative path, so it is expected to be in the same place than your PHP file: http://www.shanegibney.com/shanegibney/staticpages/
Use an absolute path: archive="http://www.shanegibney.com/shanegibney/MySinWave2.jar" or similar.

ofeyrpf

Re: How to embed an applet in html?

2 years ago

Hi phi.lho,

Thanks for your reply. The applet is running on my site.

http://www.shanegibney.com/shanegibney/staticpages/index.php?page=Wave

However the sketch determines the size() of the window and I hink this is causing problems. Is there any way around this.

Perhaps I should starting a new topic!

Thanks,

Shane

PhiLho

Re: How to embed an applet in html?

2 years ago

Processing parses the size() call and uses the numerical values it sees there to write the dimensions in the applet dimension:

	  var attributes = { 
            code: 'MySinWave3.class',
            archive: 'MySinWave3.jar',
            width: 100, 
            height: 100,
          };

As you can see, it gave to your applet the default of 100, 100, because it didn't find numbers in size().
You can adjust these values yourself, or you can set arbitrary values in the sketch and compute the other values from width & height (the reverse of what you did), which is more usual in the Processing world.

ofeyrpf

Re: How to embed an applet in html?

2 years ago

Hi phi.lho,

I do understand what you mean when you say "compute the other values from width & height", although it's not the way I wanted to do it. I want to be able to set the number of wavelengths by inputting a variable from the window when the applet is running and then the window is sized appropriately to nicely fit the wave into it. But that's for another topic!

Anyway I'm delighted with it so far.

Thanks for your help, very much appreciated,

Shane

jaboston...

Re: How to embed an applet in html?

2 years ago

have you considered looking at processing.js?

http://processingjs.org

http://www.jaboston.com

ofeyrpf

Re: How to embed an applet in html?

2 years ago

Hey Jaboston,

processing.js looks pretty cool. Thanks for pointing it out, I wasn't aware of it.

Looking forward to playing around with it. I am a Physics teachers and hope I can write some Physics simulations/animations that students will be able to interact with and change parameters on to get a better understanding of the Physics principles.

Your own site looks great.

Thanks,

Shane

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