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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 2010 Google Inc.
 *
 * 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.google.gwt.cell.client;

import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.user.client.ui.ImageResourceRenderer;

/**
 * An {@link AbstractCell} used to render an {@link ImageResource}.
 */
public class ImageResourceCell extends AbstractCell {
  private static ImageResourceRenderer renderer;
  
  /**
   * Construct a new ImageResourceCell.
   */
  public ImageResourceCell() {
    if (renderer == null) {
      renderer = new ImageResourceRenderer();
    }
  }

  @Override
  public void render(Context context, ImageResource value, SafeHtmlBuilder sb) {
    if (value != null) {
      sb.append(renderer.render(value));
    }
  }
}