Method open

src/main/java/org/htmlunit/javascript/host/Window.java:406–455

Opens a new window. @param url when a new document is opened, url is a String that specifies a MIME type for the document. When a new window is opened, url is a String that specifies the URL to render in the new window @param name the name @param features the features @param re

(final Object url, final Object name, final Object features,
            final Object replace)

     * @see <a href="http://msdn.microsoft.com/en-us/library/ms536651.aspx">MSDN documentation</a>
     */
    @JsxFunction
    public WindowProxy open(final Object url, final Object name, final Object features,
            final Object replace) {
        String urlString = null;
        if (!JavaScriptEngine.isUndefined(url)) {
            urlString = JavaScriptEngine.toString(url);
        }
        String windowName = "";
        if (!JavaScriptEngine.isUndefined(name)) {
            windowName = JavaScriptEngine.toString(name);
        }
        String featuresString = null;
        if (!JavaScriptEngine.isUndefined(features)) {
            featuresString = JavaScriptEngine.toString(features);
        }
        final WebClient webClient = getWebWindow().getWebClient();

        if (webClient.getOptions().isPopupBlockerEnabled()) {
            LOG.debug("Ignoring window.open() invocation because popups are blocked.");
            return null;
        }

        boolean replaceCurrentEntryInBrowsingHistory = false;
        if (!JavaScriptEngine.isUndefined(replace)) {
            replaceCurrentEntryInBrowsingHistory = JavaScriptEngine.toBoolean(replace);
        }
        if ((featuresString != null || replaceCurrentEntryInBrowsingHistory) && LOG.isDebugEnabled()) {
            LOG.debug(
                   "window.open: features and replaceCurrentEntryInBrowsingHistory "
                    + "not implemented: url=[" + urlString
                    + "] windowName=[" + windowName
                    + "] features=[" + featuresString
                    + "] replaceCurrentEntry=[" + replaceCurrentEntryInBrowsingHistory
                    + "]");
        }

        // if specified name is the name of an existing window, then hold it
        if (StringUtils.isEmptyOrNull(urlString) && !StringUtils.isEmptyString(windowName)) {
            try {
                final WebWindow webWindow = webClient.getWebWindowByName(windowName);
                return getProxy(webWindow);
            }
            catch (final WebWindowNotFoundException ignored) {
                // nothing
            }
        }
        final URL newUrl = makeUrlForOpenWindow(urlString);
        final WebWindow newWebWindow = webClient.openWindow(newUrl, windowName, webWindow_);
        return getProxy(newWebWindow);
    }

    private URL makeUrlForOpenWindow(final String urlString) {
        if (urlString.isEmpty()) {