Java 类net.sf.jasperreports.engine.base.JRBaseReport 实例源码

private void getSubreport() {
    JRSubreport sr = (JRSubreport) dto.getProp1();
    if (sr.getExpression() != null) {
        String path = sr.getExpression().getText();
        path = path.replace("\"", ""); //$NON-NLS-1$ //$NON-NLS-2$

        JRBaseReport jd = getFromJRXML(path.replaceAll(".jasper", ".jrxml"));
        if (jd == null)
            jd = getFromJasper(path);

        if (jd != null) {
            JRParameter[] prms = jd.getParameters();
            for (JRParameter p : prms)
                srcParamNames.add(p.getName());
        }
    }
}

private JRBaseReport getFromJasper(String path) {
    InputStream in = null;
    JRBaseReport jd = null;
    try {
        in = RepositoryUtil.getInstance(dto.getjConfig()).getInputStreamFromLocation(path);
        if (in != null) {
            Object obj = JRLoader.loadObject(in);
            if (obj instanceof JasperReport)
                jd = (JasperReport) obj;
        }
    } catch (Exception e) {
        // e.printStackTrace();
    } finally {
        FileUtils.closeStream(in);
    }
    return jd;
}

private JRBaseReport getFromJRXML(String path) {
    InputStream in = null;
    JRBaseReport jd = null;
    try {
        in = RepositoryUtil.getInstance(dto.getjConfig()).getInputStreamFromLocation(path);
        if (in != null) {
            InputSource is = new InputSource(new InputStreamReader(in, "UTF-8"));
            jd = new JRXmlLoader(dto.getjConfig(), JasperReportsConfiguration.getJRXMLDigester()).loadXML(is);
        }
    } catch (Exception e) {
        // e.printStackTrace();
    } finally {
        FileUtils.closeStream(in);
    }
    return jd;
}

/**
 * Instantiates a new page figure.
 * 
 * @param jd the jasper design
 * @param viewMargins if the margins are visible
 * @param page the parent page
 */
public ReportPageFigure(JRBaseReport jd, boolean viewMargins, PageEditPart page) {
    super(viewMargins, page);
    this.jrDesign = jd;
}