> Thanks for the early response. Can you give an example of getData(String
> key) method.
>
Sure, assuming your values are only strings you can do
public native String getData(String key) /*-{
return this.data[key];
}-*/;
If your values can also be number, boolean, JS Object you need additional
methods, possibly also doing some type checking.
Given that JSNI won't work in future GWT I would really take a look at
jsinterop.base.JsPropertyMap which is a generic class to work on JavaScript
objects.
https://github.com/google/jsinterop-base/blob/master/java/jsinterop/base/JsPropertyMap.java
-- J.
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