import java_constants.*; import java.lang.reflect.*; public class java_constants_runme { static { try { System.loadLibrary("java_constants"); } catch (UnsatisfiedLinkError e) { System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e); System.exit(1); } } public static void main(String argv[]) { int number = 200; // Switch statement will only compile if these constants are initialised // from a constant Java value, that is not from a function call switch(number) { case java_constants.CHINA: break; case java_constants.BRISTOLS: break; default: break; } // Check the altered constants interface access modifier Class[] cls = java_constants.class.getInterfaces(); Class constantsInterface = cls[0]; int modifiers = constantsInterface.getModifiers(); boolean isDefaultAccessModifier = !(Modifier.isPublic(modifiers) || Modifier.isProtected(modifiers) || Modifier.isPrivate(modifiers)); if (!isDefaultAccessModifier) throw new RuntimeException("java_constantsConstants interface access modifiers not default access"); } }