This was -supposed- to work, but I'm not sure I ever tested it (you
all know I'm not much in favor of applets.) It looks like this support
is slightly broken. With a few modifications to jess.Batch, though, it
works as intended. Here's a fixed version of that class (in
Funcall.java)
class Batch implements Userfunction, Serializable
{
public String getName() { return "batch";}
public Value call(ValueVector vv, Context context) throws JessException
{
String filename = vv.get(1).stringValue(context);
Value v = Funcall.FALSE;
Reader fis = null;
try
{
try
{
if (context.getEngine().getApplet() == null)
fis = new FileReader(filename);
else
{
URL url
= new URL(context.getEngine().getApplet().getDocumentBase(),
vv.get(1).stringValue(context));
fis = new InputStreamReader(url.openStream());
}
}
catch (Exception e)
{
// Try to find a resource file, too.
InputStream is =
getClass().getClassLoader().getResource(filename).openStream();
if (is == null)
throw new JessException("batch", "Cannot open file", e);
fis = new InputStreamReader(is);
}
Jesp j = new Jesp(fis, context.getEngine());
do
{
v = j.parse(false);
}
while (fis.ready());
}
catch (Exception ex)
{
throw new JessException("batch", "I/O Exception", ex);
}
finally
{
if (fis != null) try { fis.close(); } catch (IOException ioe) {}
}
return v;
}
}
I think Javier Maria Torres Ramon wrote:
> Hi,
>
> I wanted to know if JESS gets .clp from a jar file in case it is started from
> an applet, and Rete (Applet applet) is called as a constructor.
>
> Thanks and greetings,
>
> Javier Torres
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Ernest Friedman-Hill
Distributed Systems Research Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
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PO Box 969 http://herzberg.ca.sandia.gov
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