Class W32APIFunctionMapper

src/com/sun/jna/win32/W32APIFunctionMapper.java:34–56

Encapsulates lookup of W32 API UNICODE/ASCII functions.

 * Encapsulates lookup of W32 API UNICODE/ASCII functions.
 */
public class W32APIFunctionMapper implements FunctionMapper {
    public static final FunctionMapper UNICODE = new W32APIFunctionMapper(true);
    public static final FunctionMapper ASCII = new W32APIFunctionMapper(false);
    private final String suffix;
    protected W32APIFunctionMapper(boolean unicode) {
        this.suffix = unicode ? "W" : "A";
    }
    /**
     * Looks up the method name by adding a "W" or "A" suffix as appropriate.
     */
    public String getFunctionName(NativeLibrary library, Method method) {
        String name = method.getName();
        if (!name.endsWith("W") && !name.endsWith("A")) {
            try {
                name = library.getFunction(name + suffix, StdCallLibrary.STDCALL_CONVENTION).getName();
            }
            catch(UnsatisfiedLinkError e) {
                // ignore and let caller use undecorated name
            }
        }
        return name;
    }
}