invoke.java

public String invoke(String str, String str2, String str3, String str4) {
        if (!this.mPM.isValid(this.mPageContext.getUrl())) {
            return new Response(203).toString();
        }
        Request request = new Request();
        request.setAction(str2);
        request.setRawParams(str3);
        request.setPageContext(this.mPageContext);
        request.setView(this.mView);
        request.setNativeInterface(this.mNativeInterface);
        try {
            HybridFeature lookupFeature = this.mFM.lookupFeature(str);
            HybridFeature.Mode invocationMode = lookupFeature.getInvocationMode(request);
            if (invocationMode == HybridFeature.Mode.SYNC) {
                Response invoke = lookupFeature.invoke(request);
                callback(invoke, this.mPageContext, str4);
                return invoke.toString();
            } else if (invocationMode == HybridFeature.Mode.ASYNC) {
                sPool.execute(new AsyncInvocation(lookupFeature, request, str4));
                return new Response(2).toString();
            } else {
                request.setCallback(new Callback(this, this.mPageContext, str4));
                sPool.execute(new AsyncInvocation(lookupFeature, request, str4));
                return new Response(3).toString();
            }
        } catch (HybridException e) {
            Response response = e.getResponse();
            callback(response, this.mPageContext, str4);
            return response.toString();
        }
    }