Re: Applet cannot read PARAM values: security exception
VK wrote:
That was a while ago when I last time worked with Java, so I might be
missing some recent security development. Any way:
Having a simple applet with hardcoded params it runs just fine on the
latest Java Plug-in 1.6.0_04 in both IE and Fx. If I put params into
PARAM tags then on getParameter it gives me SecurityException and
"Applet notinited" - the orthography is from plugin makers - in the
browser status bar. Is PARAM usage for applet is now locked? How do
workaround it then?
The applet in question is as simple as:
import java.awt.*;
import java.applet.*;
import java.net.*;
public class SockeR extends Applet {
public void init() {
this.setBackground(
// this works just fine, applet gets red:
Color.red
// using this instead of the above leads to error:
//Color.getColor(this.getParameter("bgcolor"), Color.white)
);
}
public void start() {
}
public void stop() {
}
public void destroy() {
}
public void paint(Graphics g) {
}
public String getAppletInfo() {
}
}
Your problem is in trying to read the System properties not applet
parameters. I don't think this method has any use because, on my system
at least, there are no color values in the System properties. I don't
know if they were removed at some point or what. Use a decimal or hex
number and create your color with that instead of the string name. The
Color.decode() ought to be very useful here.
--
Knute Johnson
email s/nospam/knute/
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