/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.widget.advancedviews.mvc;
import java.awt.image.BufferedImage;
import java.util.Map;
import javax.imageio.ImageIO;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.view.AbstractView;
/**
* @author Kristof Heirwegh
*/
@Component("legendIconsView")
public class LegendIconsView extends AbstractView {
private static final String FORMAT = "png";
public LegendIconsView() {
setContentType("image/png");
}
@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
HttpServletResponse response) throws Exception {
BufferedImage image = (BufferedImage) model.get(LegendIconsController.IMAGE_KEY);
// write the image
ServletOutputStream out = response.getOutputStream();
response.setContentType(getContentType());
// response.setContentLength(image.); // need to write image first to know size
ImageIO.write(image, FORMAT, out);
out.flush();
}
}