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Danny van Heumen 56e9c167bd Improved error handling for commands. ... In case of bad command usage, throw an IllegalArgumentException. IllegalArgumentException will be caught and handled specially. Whenever IAE is thrown, it will be caught and command.help() will be called so that we can receive additional usage instructions. The error and the help information will be thrown inside a BadCommandInvocationException which will be handled by the appropriate OperationSet. In case of such an event, a system message will be fired with the usage instructions as to inform the user on how to use the command. Other exceptions will be logged as an error, as they are not expected and considered to be an implementation issue.		11 years ago
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communicator	Improved error handling for commands.	11 years ago