@Override
public Object execute(final ExecutionEvent event)
throws org.eclipse.core.commands.ExecutionException {
final IStreamsProxy proxy = getProcess().getStreamsProxy();
if (proxy instanceof IStreamsProxy2) {
final IStreamsProxy2 proxy2 = (IStreamsProxy2) proxy;
try {
proxy2.closeInputStream();
} catch (final IOException e1) {
}
}
return null;
}