Dave Koontz

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since Jun 10, 2005
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Recent posts by Dave Koontz

I have a signed applet that serves as a front-loader that will load code from a user provided jar. My applet is signed as it needs to interface with native libraries, but I want the user provided jar to be sandboxed. I looked at the Security Manager and it seems you can apply restrictions to a particular package although I will have no control over their naming so that doesn't work. This document (http://java.sun.com/developer/TechTips/2000/tt0926.html) indicated that it was possible, though difficult, to get information about the source of certain classes via the URLClassLoader which I assume would be used when loading my applet files. My biggest question is, can a Security Manager installed by my signed applet restrict the permissions for code loaded from an unsinged (or signed with a different certificate) jar file, and if so, where would I look for information on this?

David Koontz
14 years ago
I'm going to be attending JavaOne and CommunityOne and I have a double queen bed room at the Milano hotel which is just a few blocks from the Moscone center (http://java.sun.com/javaone/sf/hotels.jsp #14 on the list). The room is $143 per day and I have it reserved from the 4th through the 8th. If anyone is looking for a place to stay I've love to lower my travel costs by splitting the cost of the room.
15 years ago
I'm looking for a way to have Java ignore meta characters when compiling similar to the way you can say r"Aren't strings kinda/sorta great?" in Python and the compiler won't try to interpret the string. Is this even possible to indicate to javac or are you stuck putting in all the \\'s? Specifically this is for use with String.split() and any other regex based utilities.
18 years ago