Re: [Jython-users] help with jython and creating an applet

[Scott H. <sl...@ho...>]

Robert,

Thanks for the reply.  Only the .jar file is a different name.  I have tried
renaming the .jar to the name of the class too, without success.  I get the
exact same error.

Any other ideas?

Thanks,
Scott

----- Original Message -----
From: "Robert W. Bill" <rb...@di...>
To: "Scott Hathaway" <sl...@ho...>
Cc: <jyt...@li...>
Sent: Friday, August 31, 2001 4:49 PM
Subject: Re: [Jython-users] help with jython and creating an applet


> Hello Scott,
>
> Your file is "dlClient.py" and your class is "downloadClient."  Try it
> with matching filename and classname instead.  A jythonc-compiled module
> must meet special restrictions to play nice in a Java
> framework, even though these restrictions don't apply to Jython- as
> you have already seen. Matching filename-classname is one of them.
>
>
> On Fri, 31 Aug 2001, Scott Hathaway wrote:
> > I am trying to create a jython applet.  I am running Windows 2000 pro
> > with Sun's JDK 1.3.1 and I have tried both Jython 2.0 and 2.1a3.  My
> > code runs fine when I execute it with Jython, but when comiling it into
> > the applet with (I have only one .py file named dlClient.py):
> >
> > jython --compiler javac --all --jar downloadClient.jar *.py
> >
> > The .jar is created, but it gives a warning about using a deprecated
API.  Then when I try to execute it with the appletviewer, I get an error
that says:
> >
> > java.lang.ClassCastException:  dlClient
> >
> > Can anyone tell me what I am doing wrong?  Below, I have posted the code
for the .py file as well.
> >
> > from java import applet
> > from java.awt import Color,Label,Button,GridLayout,Label
> > from urllib import urlretrieve
> > import time
> >
> > class downloadClient(applet.Applet):
> >     def init(self):
> >  try:
> >   self.setLayout(GridLayout(0,1))
> >   self.title = self.add(Label('Download Test', Label.CENTER))
> >   self.title.setBackground(Color.blue)
> >   self.title.setForeground(Color.white)
> >   self.add(Label('Beginning Download ...'))
> >   # this file is 45.7k in size
> >   self.startTime = time.time()
> >   rValue = urlretrieve("http://localhost/reports/detail.pdf")
> >   rValue = urlretrieve("http://localhost/reports/detail.pdf")
> >   rValue = urlretrieve("http://localhost/reports/detail.pdf")
> >   self.endTime = time.time()
> >   self.elapsedTime = int(self.endTime - self.startTime)
> >   self.kPerSec = int(137.1/self.elapsedTime)
> >   self.add(Label('Download Complete'))
> >   self.add(Label('Amount Downloaded:  137.1 KB'))
> >   self.add(Label('Time Elapsed:  ' + str(self.elapsedTime) + '
seconds'))
> >   self.totalSpeed = self.add(Label('Total Speed:  ' + str(self.kPerSec)
+ ' KB/Sec'))
> >   self.totalSpeed.setBackground(Color.yellow)
> >   #self.totalSpeed.setForeground(Color.blue)
> >  except:
> >   pass
> >
> > if __name__ == '__main__':
> >     import pawt
> >     pawt.test(downloadClient())
> >
>
>