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// Simple test program for service provider framework

public class Test {

public static void main(String[] args) {

// Providers would execute these lines

Services.registerDefaultProvider(DEFAULT_PROVIDER);

Services.registerProvider("comp", COMP_PROVIDER);

Services.registerProvider("armed", ARMED_PROVIDER);

// Clients would execute these lines

Service s1 = Services.newInstance();

Service s2 = Services.newInstance("comp");

Service s3 = Services.newInstance("armed");

System.out.printf("%s, %s, %s%n", s1, s2, s3);

}

private static Provider DEFAULT_PROVIDER = new Provider() {

public Service newService() {

return new Service() {

@Override public String toString() {

return "Default service";

}

};

}

};

private static Provider COMP_PROVIDER = new Provider() {

public Service newService() {

return new Service() {

@Override public String toString() {

return "Complementary service";

}

};

}

};

private static Provider ARMED_PROVIDER = new Provider() {

public Service newService() {

return new Service() {

@Override public String toString() {

return "Armed service";

}

};

}

};

}