/********************************************************************************************************************* __// ABSTARCT FACTORY DESIGN PATTERN //__ Description: This design pattern is just used for the creation of related objects. Here, i have used example of browsers ( firefox and chrome). As per the macro if mozilla browser is selected then related basic and specific info objects are generated. SAGA@GASA:~/Practice/design_patterns/design_pattern_cpp$ c++ abstract_factory_pattern.cpp -o abs SAGA@GASA:~/Practice/design_patterns/design_pattern_cpp$ ./abs Name: Google Chrome OpenSource: No Default SearchEngine: Google Written In: C++ython Founder: Jeff Nelson Version: 65 Website: www.google.com/chrome **********************************************************************************************************************/ #include #include using namespace std; //#define MOZILLA #define CHROME class BasicInfo { protected: string _name; bool _isOpenSource; string _defaultSearchEngine; string _writtenIn; string _founder; public: BasicInfo(string name,bool isOpenSource, string defaultSearchEngine, string writtenIn, string founder):_name(name),_isOpenSource(isOpenSource),_defaultSearchEngine(defaultSearchEngine),_writtenIn(writtenIn),_founder(founder) {} void printInfo() { cout<<"\nName: "<<_name<< "\nOpenSource: "<<((_isOpenSource == false)?"No":"Yes")<< "\nDefault SearchEngine: "<<_defaultSearchEngine<< "\nWritten In: "<<_writtenIn<< "\nFounder: "<<_founder<printInfo(); sInfo->printInfo(); } }; class FirefoxFactory:public BrowserFactory { public: FirefoxFactory():BrowserFactory(new FireFoxBasicInfo(), new FireFoxSpecificInfo()) {} }; class ChromeFactory:public BrowserFactory { public: ChromeFactory():BrowserFactory(new ChromeBasicInfo(),new ChromeSpecificInfo()) {} }; int main() { BrowserFactory *bf = NULL ; #ifdef MOZILLA bf = new FirefoxFactory(); #endif #ifdef CHROME bf = new ChromeFactory(); #endif bf->print(); if(bf) { delete bf; } return 0; }

abstract_factory_design_pattern.cpp