Example usage for javax.servlet.http HttpSession HttpSession

Introduction

In this page you can find the example usage for javax.servlet.http HttpSession HttpSession.

Prototype

HttpSession

Source Link

Usage

From source file:org.orbeon.oxf.processor.JFreeChartProcessor.java

protected ChartInfo createChart(org.orbeon.oxf.pipeline.api.PipelineContext context,
        JFreeChartSerializer.ChartConfig chartConfig) {

    Document data = readInputAsDOM4J(context, getInputByName(INPUT_DATA));

    Dataset ds;//from   w w w.ja v  a2 s . c om
    if (chartConfig.getType() == JFreeChartSerializer.ChartConfig.PIE_TYPE
            || chartConfig.getType() == JFreeChartSerializer.ChartConfig.PIE3D_TYPE)
        ds = createPieDataset(chartConfig, data);
    else if (chartConfig.getType() == ChartConfig.XY_LINE_TYPE)
        ds = createXYDataset(chartConfig, data);
    else if (chartConfig.getType() == ChartConfig.TIME_SERIES_TYPE)
        ds = createTimeSeriesDataset(chartConfig, data);
    else
        ds = createDataset(chartConfig, data);

    JFreeChart chart = drawChart(chartConfig, ds);
    ChartRenderingInfo info = new ChartRenderingInfo();

    String file;
    try {
        final ExternalContext.Session session = ((ExternalContext) context
                .getAttribute(PipelineContext.EXTERNAL_CONTEXT)).getSession(true);
        file = ServletUtilities.saveChartAsPNG(chart, chartConfig.getxSize(), chartConfig.getySize(), info,
                new HttpSession() {
                    public Object getAttribute(String s) {
                        return session.getAttributesMap(PortletSession.APPLICATION_SCOPE).get(s);
                    }

                    public Enumeration getAttributeNames() {
                        return Collections.enumeration(
                                session.getAttributesMap(PortletSession.APPLICATION_SCOPE).keySet());
                    }

                    public long getCreationTime() {
                        return session.getCreationTime();
                    }

                    public String getId() {
                        return session.getId();
                    }

                    public long getLastAccessedTime() {
                        return session.getLastAccessedTime();
                    }

                    public int getMaxInactiveInterval() {
                        return session.getMaxInactiveInterval();
                    }

                    public ServletContext getServletContext() {
                        return null;
                    }

                    public HttpSessionContext getSessionContext() {
                        return null;
                    }

                    public Object getValue(String s) {
                        return getAttribute(s);
                    }

                    public String[] getValueNames() {
                        List list = new ArrayList();
                        for (Enumeration e = getAttributeNames(); e.hasMoreElements();) {
                            list.add(e.nextElement());
                        }
                        String[] array = new String[list.size()];
                        list.toArray(array);
                        return array;
                    }

                    public void invalidate() {
                        session.invalidate();
                    }

                    public boolean isNew() {
                        return session.isNew();
                    }

                    public void putValue(String s, Object o) {
                        setAttribute(s, o);
                    }

                    public void removeAttribute(String s) {
                        session.getAttributesMap(PortletSession.APPLICATION_SCOPE).remove(s);
                    }

                    public void removeValue(String s) {
                        removeAttribute(s);
                    }

                    public void setAttribute(String s, Object o) {
                        session.getAttributesMap(PortletSession.APPLICATION_SCOPE).put(s, o);
                    }

                    public void setMaxInactiveInterval(int i) {
                        session.setMaxInactiveInterval(i);
                    }
                });
    } catch (Exception e) {
        throw new OXFException(e);
    }
    return new ChartInfo(info, file);
}

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