GWT doesn't support reflection or dynamic method invocation for performance
reasons. It has to know at compile time what method you want to invoke, so
that it can eliminate methods that it knows aren't being called.
If you describe your use-case, perhaps someone could help you with a
workaround.
--Sri
On 29 April 2010 19:20, Arinté <jamar...@gmail.com> wrote:
> I want to be able to call a method on a object dynamically. As in:
> Method m = obj.getClass().getMethod(...);
> m.invoke(...);
>
> How would I do this on the client-side in GWT. I was trying to do
> this:
>
> reflectiveSet(trunk.getSettings().getCustName(), "value", "grumpy");
>
> private native void reflectiveSet(Object obj, String property,
> String value)/*-{
> alert('o' +obj);
> alert('p' +property);
> alert('v' +value);
> obj[property] = value;
> }-*/;
>
> but that doesn't work, I get this error:
>
> com.google.gwt.core.client.JavaScriptException: (null): null
> at
>
> com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
> 195)
>
> Would this work if I were to actually deploy the war file?
>
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