| |
| public class runme { |
| |
| static { |
| try { |
| System.loadLibrary("example"); |
| } 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[]) { |
| |
| // First create some objects using the pointer library. |
| System.out.println("Testing the pointer library"); |
| SWIGTYPE_p_int a = example.new_intp(); |
| SWIGTYPE_p_int b = example.new_intp(); |
| SWIGTYPE_p_int c = example.new_intp(); |
| example.intp_assign(a,37); |
| example.intp_assign(b,42); |
| |
| // Note that getCPtr() has package access by default |
| System.out.println(" a =" + Long.toHexString(SWIGTYPE_p_int.getCPtr(a))); |
| System.out.println(" b =" + Long.toHexString(SWIGTYPE_p_int.getCPtr(b))); |
| System.out.println(" c =" + Long.toHexString(SWIGTYPE_p_int.getCPtr(c))); |
| |
| // Call the add() function with some pointers |
| example.add(a,b,c); |
| |
| // Now get the result |
| int res = example.intp_value(c); |
| System.out.println(" 37 + 42 =" + res); |
| |
| // Clean up the pointers |
| example.delete_intp(a); |
| example.delete_intp(b); |
| example.delete_intp(c); |
| |
| // Now try the typemap library |
| // Now it is no longer necessary to manufacture pointers. |
| // Instead we use a single element array which in Java is modifiable. |
| |
| System.out.println("Trying the typemap library"); |
| int[] r = {0}; |
| example.sub(37,42,r); |
| System.out.println(" 37 - 42 = " + r[0]); |
| |
| // Now try the version with return value |
| |
| System.out.println("Testing return value"); |
| int q = example.divide(42,37,r); |
| System.out.println(" 42/37 = " + q + " remainder " + r[0]); |
| } |
| } |