Christoph Höger wrote:
> Hi,
>
> I do not know where to ask that, so I try it here:
>
> I want to load a (dynamically created) class via URL ClassLoader and
> then invoke a public static method on it.
>
> Here is the code:
>
> Class lexerDefs = Class.forName("parser.LexerDefs", true, loader);
>
> Method getLexerDefs = null;
>
> try {
> getLexerDefs = lexerDefs.getMethod("lexerDefs", new Class[] {});
> } catch (NoSuchMethodException e) {
> fail("Class " + lexerDefs.getName() + " has no method lexerDefs()\n"
> + e.getMessage());
> }
>
> parser.Options.inputFile = this.inputFile;
>
> System.err.println("invoking: " + getLexerDefs.toString());
>
> Object retObject = getLexerDefs.invoke(null, new Object[0]);
>
> But all I get is:
> Class test.TestParserGenerator can not access a member of class
> parser.LexerDefs with modifiers "public static"
>
> So loading class seems to work, but I cannot invoke a _public_ method? Why?
>
> Anyone knows about reflection?
Yes. Does a public static method with that exact signature "()" exist?
In the classpath? What if you call it directly?
Andrew.
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