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# $Id: s.adapterExample.xotcl 1.3 01/03/23 22:24:35+01:00 neumann@somewhere.wu-wien.ac.at $
# include the adapter pattern
source adapter.xotcl
@ @File {
description {
Simple adapter pattern example class (FTP requests) taken from the paper
'Filters as a Language Support for Design Patterns in
Object-Oriented Scripting Languages'.
}
}
Class FTPLIB
FTPLIB instproc FTPLIB_connect args {
puts "in ftplib connect"
}
Class Connection
Connection instproc connect args {
puts "in Connection connect"
}
Connection instproc discard args {
puts "in Connection discard"
}
Adapter FTP -superclass Connection
FTP metadata add description
FTP instproc init args {
FTPLIB ftpAdaptee
[self] setRequest connect FTPLIB_connect
[self] setAdaptee ftpAdaptee
}
FTP f
f connect
f discard
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