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// This example illustrates global variable access from Java.
import java.lang.reflect.*;
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[]) {
// 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.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()) );
}
}
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