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-rw-r--r--Examples/java/pointer/runme.java55
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+
+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]);
+ }
+}