[abportal] Annotation of /src/main/java/eu/smartlm/abs/portal/graph/servlet/DrawPieChartServlet.java
Annotation of /src/main/java/eu/smartlm/abs/portal/graph/servlet/DrawPieChartServlet.java
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dgarcia |
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package eu.smartlm.abs.portal.graph.servlet;
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import java.io.IOException;
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import java.io.OutputStream;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import org.jfree.chart.ChartUtilities;
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import org.jfree.chart.JFreeChart;
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public class DrawPieChartServlet extends HttpServlet {
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private static final long serialVersionUID = 8800080257427786322L;
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private int width = 400;
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private int height = 400;
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public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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HttpSession session = request.getSession();
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JFreeChart chart = (JFreeChart) session.getAttribute("graph");
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OutputStream out = response.getOutputStream();
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response.setContentType("image/png");
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ChartUtilities.writeChartAsPNG(out, chart, width, height);
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out.close();
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}
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}
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