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POQuote needed: Preprocessor usage is bad OO practice
 

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    <p>I believe, that the usage of preprocessor directives like <code>#if UsingNetwork</code> is bad OO practice - other coworkers do not. I think, when using an IoC container (e.g. Spring), components can be easily configured if programmed accordingly. In this context either a propery <code>IsUsingNetwork</code> can be set by the IoC container or, if the "using network" implementation behaves differently, another implementation of that interface should be implemented and injected (e.g.: <code>IService</code>, <code>ServiceImplementation</code>, <code>NetworkingServiceImplementation</code>).</p> <p>Can somebody please provide <strong>citations of OO-Gurus</strong> or <strong>references in books</strong> which basically reads "Preprocessor usage is bad OO practice if you try to configure behaviour which should be configured via an IoC container"? </p> <p><strong>I need this citations to convince coworkers to refactor...</strong></p> <p>Edit: I do know and agree that using preprocessor directives to change targetplatform specific code during compilation is fine and that is what preprocessor directives are made for. However, I think that runtime-configuration should be used rather than compiletime-configuration to get good designed and testable classes and components. In other words: Using #defines and #if's beyond what they are meant for will lead to difficult to test code and badly designed classes.</p> <p>Has anybody read something along these lines and can give me so I can refer to?</p>
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