// This example illustrates global variable access from Java. import java.lang.reflect.*; public class main { 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[]) { // Try to set the values of some global variables example.setIvar(42); example.setSvar((short)-31000); example.setLvar(65537); example.setUivar(123456); example.setUsvar(61000); example.setUlvar(654321); example.setScvar((byte)-13); example.setUcvar((short)251); example.setCvar('S'); example.setFvar((float)3.14159); example.setDvar(2.1828); example.setStrvar("Hello World"); example.setCstrvar("Goodbye"); example.setIptrvar(example.new_int(37)); example.setPtptr(example.new_Point(37,42)); example.setName("Bill"); // Now print out the values of the variables System.out.println( "Variables (values printed from Java)" ); System.out.println( "ivar =" + example.getIvar() ); System.out.println( "svar =" + example.getSvar() ); System.out.println( "lvar =" + example.getLvar() ); System.out.println( "uivar =" + example.getUivar() ); System.out.println( "usvar =" + example.getUsvar() ); System.out.println( "ulvar =" + example.getUlvar() ); System.out.println( "scvar =" + example.getScvar() ); System.out.println( "ucvar =" + example.getUcvar() ); System.out.println( "fvar =" + example.getFvar() ); System.out.println( "dvar =" + example.getDvar() ); System.out.println( "cvar =" + (char)example.getCvar() ); System.out.println( "strvar =" + example.getStrvar() ); System.out.println( "cstrvar =" + example.getCstrvar() ); System.out.println( "iptrvar =" + Long.toHexString(SWIGTYPE_p_int.getCPtr(example.getIptrvar())) ); System.out.println( "name =" + example.getName() ); System.out.println( "ptptr =" + Long.toHexString(SWIGTYPE_p_Point.getCPtr(example.getPtptr())) + example.Point_print(example.getPtptr()) ); System.out.println( "pt =" + Long.toHexString(SWIGTYPE_p_Point.getCPtr(example.getPt())) + example.Point_print(example.getPt()) ); System.out.println( "\nVariables (values printed from C)" ); example.print_vars(); System.out.println( "\nNow I'm going to try and modify some read only variables" ); System.out.println( " Trying to set 'path'" ); try { Method m = example.class.getDeclaredMethod("setPath", new Class[] {String.class}); m.invoke(example.class, new Object[] {"Whoa!"} ); System.out.println( "Hey, what's going on?!?! This shouldn't work" ); } catch (NoSuchMethodException e) { System.out.println( "Good." ); } catch (Throwable t) { System.out.println( "You shouldn't see this!" ); } System.out.println( " Trying to set 'status'" ); try { Method m = example.class.getDeclaredMethod("setStatus", new Class[] {Integer.class}); m.invoke(example.class, new Object[] {new Integer(0)} ); System.out.println( "Hey, what's going on?!?! This shouldn't work" ); } catch (NoSuchMethodException e) { System.out.println( "Good." ); } catch (Throwable t) { System.out.println( "You shouldn't see this!" ); } System.out.println( "\nI'm going to try and update a structure variable.\n" ); example.setPt(example.getPtptr()); System.out.println( "The new value is" ); example.pt_print(); System.out.println( "You should see the value" + example.Point_print(example.getPtptr()) ); } }