Copyright (c) 2003, 2007 s IT Solutions AT Spardat GmbH .
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s IT Solutions AT Spardat GmbH - initial API and implementation
This class represents the preinstall tag from xma-app.xml.
It contains a version number, specifing the version of swt to use if allready installed.
version of swt to use if allready installed
Constructor, sets the version
write this object to a xml print stream.
ps the PrintStream to write to
returns the version string
Converts the given version string to its directory representation.
It simply replaces all dots with underscores.
Returns the version string in its directory representation.
All dots are replaced by underscores.