I'm trying to instantiate a java type inside a JSNI method body, using the JSO's package-private's ::new()
method, but all instances are returned as null handles.
how come?
Is it possible to instantiate the class using a similar syntax to Java?
Here is the relevant code:
public class OnChangeHandlerJso extends JavaScriptObject {
protected OnChangeHandlerJso() {};
public static native JavaScriptObject create() /*-{
return function(cm, changeInfo) {
var eventBus = @com.gigaspaces.codemirror_gwt.client.events.EventUtils::CODE_MIRROR_EVENT_BUS;
var event = @com.gigaspaces.codemirror_gwt.client.events.EditorContentChangeEvent::new()();
// could something like this work?
// var event = new @com.gigaspaces.codemirror_gwt.client.events.EditorContentChangeEvent;
[email protected]_gwt.client.events.EditorContentChangeEvent::setCm(Lcom/gigaspaces/codemirror_gwt/client/jsni/CodeMirrorJso;)(cm);
[email protected]_gwt.client.events.EditorContentChangeEvent::setChangeInfo(Lcom/gigaspaces/codemirror_gwt/client/jsni/ChangeInfoJso;)(changeInfo);
[email protected]::fireEvent(Lcom/google/gwt/event/shared/GwtEvent;)(event);
};
}-*/;
}
Solved like this:
public class OnChangeHandlerJso extends JavaScriptObject {
protected OnChangeHandlerJso() {};
public static native OnChangeHandlerJso create() /*-{
return function(cm, changeInfo) {
@com.gigaspaces.codemirror_gwt.client.vo.OnChangeHandler::handle(Lcom/gigaspaces/codemirror_gwt/client/jsni/CodeMirrorJso;Lcom/gigaspaces/codemirror_gwt/client/jsni/ChangeInfoJso;)(cm, changeInfo);
};
}-*/;
}
public class OnChangeHandler implements JsoWrapper<OnChangeHandlerJso> {
public static void handle(CodeMirrorJso cmJso, ChangeInfoJso changeInfoJso) {
// ...
EventUtils.CODE_MIRROR_EVENT_BUS.fireEvent(new EditorContentChangeEvent(cm, changeInfo));
}
}