/tags/rel-1-3-26/SWIG/Examples/java/constants/main.java

 1import java.lang.reflect.*;
 2
 3public class main {
 4  static {
 5    try {
 6        System.loadLibrary("example");
 7    } catch (UnsatisfiedLinkError e) {
 8      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);
 9      System.exit(1);
10    }
11  }
12
13  public static void main(String argv[]) 
14  {
15    System.out.println("ICONST  = " + example.ICONST + " (should be 42)");
16    System.out.println("FCONST  = " + example.FCONST + " (should be 2.1828)");
17    System.out.println("CCONST  = " + example.CCONST + " (should be 'x')");
18    System.out.println("CCONST2 = " + example.CCONST2 + " (this should be on a new line)");
19    System.out.println("SCONST  = " + example.SCONST + " (should be 'Hello World')");
20    System.out.println("SCONST2 = " + example.SCONST2 + " (should be '\"Hello World\"')");
21    System.out.println("EXPR    = " + example.EXPR +   " (should be 48.5484)");
22    System.out.println("iconst  = " + example.iconst + " (should be 37)");
23    System.out.println("fconst  = " + example.fconst + " (should be 3.14)");
24
25// Use reflection to check if these variables are defined:
26    try
27    {
28        System.out.println("EXTERN = " + example.class.getField("EXTERN") + " (Arg! This shouldn't print anything)");
29    }
30    catch (NoSuchFieldException e)
31    {
32        System.out.println("EXTERN isn't defined (good)");
33    }
34
35    try
36    {
37        System.out.println("FOO    = " + example.class.getField("FOO") + " (Arg! This shouldn't print anything)");
38    }
39    catch (NoSuchFieldException e)
40    {
41        System.out.println("FOO isn't defined (good)");
42    }
43  }
44}