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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 2000-2016 Vaadin Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.vaadin.client.ui;

import com.google.gwt.core.client.GWT;

public class UnknownComponentConnector extends AbstractComponentConnector {

    @Override
    public boolean delegateCaptionHandling() {
        return false;
    }

    @Override
    public VUnknownComponent getWidget() {
        return (VUnknownComponent) super.getWidget();
    }

    public void setServerSideClassName(String serverClassName) {
        getWidget().setCaption(createMessage(serverClassName));
    }

    public static String createMessage(String serverClassName) {
        return "Widgetset '" + GWT.getModuleName()
                + "' does not contain an implementation for " + serverClassName
                + ". Check the connector's @Connect mapping, the widgetset's "
                + "GWT module description file and re-compile your"
                + " widgetset. In case you have downloaded a vaadin"
                + " add-on package, you might want to refer to "
                + "add-on "
                + "instructions.";
    }
}