/tags/rel-1-3-25/SWIG/Examples/java/variables/main.java
Java | 97 lines | 78 code | 16 blank | 3 comment | 0 complexity | 7e9f27740951b933b122010054478ffb MD5 | raw file
Possible License(s): LGPL-2.1, Cube, GPL-3.0, 0BSD, GPL-2.0
- // 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.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()) );
- }
- }