Java 类com.lowagie.text.pdf.PdfIndirectReference 实例源码

public void exportElement(JRPdfExporterContext exporterContext,
        JRGenericPrintElement element)
{
    try
    {
        PdfWriter writer = exporterContext.getPdfWriter();
        PdfIndirectObject swfRef;
        boolean newContext = !existingContexts.containsKey(exporterContext);
        if (newContext)
        {
            // add the Adobe 1.7 extensions catalog dictionary
            PdfDictionary extensions = new PdfDictionary();
            PdfDictionary adobeExtension = new PdfDictionary();
            adobeExtension.put(new PdfName("BaseVersion"), PdfWriter.PDF_VERSION_1_7);
            adobeExtension.put(new PdfName("ExtensionLevel"), new PdfNumber(3));
            extensions.put(new PdfName("ADBE"), adobeExtension);
            writer.getExtraCatalog().put(new PdfName("Extensions"), extensions);

            // add the swf file
            byte[] swfData = readSwf();
            PdfFileSpecification swfFile = PdfFileSpecification.fileEmbedded(writer, 
                    null, "Open Flash Chart", swfData);
            swfRef = writer.addToBody(swfFile);
            existingContexts.put(exporterContext, swfRef);
        }
        else
        {
            swfRef = (PdfIndirectObject) existingContexts.get(exporterContext);
        }

        Rectangle rect = new Rectangle(element.getX() + exporterContext.getOffsetX(), 
                exporterContext.getExportedReport().getPageHeight() - element.getY() - exporterContext.getOffsetY(), 
                element.getX() + exporterContext.getOffsetX() + element.getWidth(),
                exporterContext.getExportedReport().getPageHeight() - element.getY() - exporterContext.getOffsetY() - element.getHeight());
        PdfAnnotation ann = new PdfAnnotation(writer, rect);
        ann.put(PdfName.SUBTYPE, new PdfName("RichMedia"));

        PdfDictionary settings = new PdfDictionary();
        PdfDictionary activation = new PdfDictionary();
        activation.put(new PdfName("Condition"), new PdfName("PV"));
        settings.put(new PdfName("Activation"), activation);
        ann.put(new PdfName("RichMediaSettings"), settings);

        PdfDictionary content = new PdfDictionary();

        HashMap<String, PdfIndirectReference> assets = new HashMap<String, PdfIndirectReference>();
        assets.put("map.swf", swfRef.getIndirectReference());
        PdfDictionary assetsDictionary = PdfNameTree.writeTree(assets, writer);
        content.put(new PdfName("Assets"), assetsDictionary);

        PdfArray configurations = new PdfArray();
        PdfDictionary configuration = new PdfDictionary();

        PdfArray instances = new PdfArray();
        PdfDictionary instance = new PdfDictionary();
        instance.put(new PdfName("Subtype"), new PdfName("Flash"));
        PdfDictionary params = new PdfDictionary();

        String chartData = (String) element.getParameterValue(PARAMETER_CHART_DATA);
        String vars = "inline_data=" + chartData;
        params.put(new PdfName("FlashVars"), new PdfString(vars));
        instance.put(new PdfName("Params"), params);
        instance.put(new PdfName("Asset"), swfRef.getIndirectReference());
        PdfIndirectObject instanceRef = writer.addToBody(instance);
        instances.add(instanceRef.getIndirectReference());
        configuration.put(new PdfName("Instances"), instances);

        PdfIndirectObject configurationRef = writer.addToBody(configuration);
        configurations.add(configurationRef.getIndirectReference());
        content.put(new PdfName("Configurations"), configurations);

        ann.put(new PdfName("RichMediaContent"), content);

        writer.addAnnotation(ann);
    }
    catch (Exception e)
    {
        throw new RuntimeException(e);
    }
}

/**
 * Getter for property directReference.
 * @return Value of property directReference.
 */
public PdfIndirectReference getDirectReference() {
    return this.directReference;
}

/**
 * Setter for property directReference.
 * @param directReference New value of property directReference.
 */
public void setDirectReference(PdfIndirectReference directReference) {
    this.directReference = directReference;
}

/**
 * Getter for property directReference.
 * @return Value of property directReference.
 */
public PdfIndirectReference getDirectReference() {
    return this.directReference;
}

/**
 * Setter for property directReference.
 * @param directReference New value of property directReference.
 */
public void setDirectReference(PdfIndirectReference directReference) {
    this.directReference = directReference;
}