Examples with NonCachingPipeline org.apache.cocoon.pipeline.NonCachingPipeline used on opensource projects

Example 1 with NonCachingPipeline

use of org.apache.cocoon.pipeline.NonCachingPipeline in project syncope by apache.

the class ReportLogic method exportExecutionResult.

@PreAuthorize("hasRole('" + StandardEntitlement.REPORT_READ + "')")
public void exportExecutionResult(final OutputStream os, final ReportExec reportExec, final ReportExecExportFormat format) {
    // streaming SAX handler from a compressed byte array stream
    try (ByteArrayInputStream bais = new ByteArrayInputStream(reportExec.getExecResult());
        ZipInputStream zis = new ZipInputStream(bais)) {
        // a single ZipEntry in the ZipInputStream (see ReportJob)
        zis.getNextEntry();
        Pipeline<SAXPipelineComponent> pipeline = new NonCachingPipeline<>();
        pipeline.addComponent(new XMLGenerator(zis));
        Map<String, Object> parameters = new HashMap<>();
        parameters.put("status", reportExec.getStatus());
        parameters.put("message", reportExec.getMessage());
        parameters.put("start", reportExec.getStart());
        parameters.put("end", reportExec.getEnd());
        switch(format) {
            case HTML:
                XSLTTransformer xsl2html = new XSLTTransformer(new StreamSource(IOUtils.toInputStream(reportExec.getReport().getTemplate().getHTMLTemplate(), StandardCharsets.UTF_8)));
                xsl2html.setParameters(parameters);
                pipeline.addComponent(xsl2html);
                pipeline.addComponent(XMLSerializer.createXHTMLSerializer());
                break;
            case PDF:
                XSLTTransformer xsl2pdf = new XSLTTransformer(new StreamSource(IOUtils.toInputStream(reportExec.getReport().getTemplate().getFOTemplate(), StandardCharsets.UTF_8)));
                xsl2pdf.setParameters(parameters);
                pipeline.addComponent(xsl2pdf);
                pipeline.addComponent(new FopSerializer(MimeConstants.MIME_PDF));
                break;
            case RTF:
                XSLTTransformer xsl2rtf = new XSLTTransformer(new StreamSource(IOUtils.toInputStream(reportExec.getReport().getTemplate().getFOTemplate(), StandardCharsets.UTF_8)));
                xsl2rtf.setParameters(parameters);
                pipeline.addComponent(xsl2rtf);
                pipeline.addComponent(new FopSerializer(MimeConstants.MIME_RTF));
                break;
            case CSV:
                XSLTTransformer xsl2csv = new XSLTTransformer(new StreamSource(IOUtils.toInputStream(reportExec.getReport().getTemplate().getCSVTemplate(), StandardCharsets.UTF_8)));
                xsl2csv.setParameters(parameters);
                pipeline.addComponent(xsl2csv);
                pipeline.addComponent(new TextSerializer());
                break;
            case XML:
            default:
                pipeline.addComponent(XMLSerializer.createXMLSerializer());
        }
        pipeline.setup(os);
        pipeline.execute();
        LOG.debug("Result of {} successfully exported as {}", reportExec, format);
    } catch (Exception e) {
        LOG.error("While exporting content", e);
    }
}

Example 2 with NonCachingPipeline

use of org.apache.cocoon.pipeline.NonCachingPipeline in project sling by apache.

the class PipelineImpl method eval.

@Override
public void eval() throws Exception {
    try {
        this.getEnv().setCcPipeline(new NonCachingPipeline());
        // generator
        AbstractGenerator generator = new SlingGenerator(this.getEnv().getSling());
        this.getEnv().getCcPipeline().addComponent(generator);
        // subpipeline evaluated
        for (Step step : this.getSubpipeline()) {
            step.eval();
        }
        this.getEnv().getCcPipeline().addComponent(new XMLSerializer());
        // Don't retrieve OutputStream from response until actually writing
        // to response, so that error handlers can retrieve it without getting
        // an error
        final OutputStream out = new OutputStreamWrapper() {

            @Override
            protected OutputStream getWrappedStream() throws IOException {
                return getEnv().getSling().getResponse().getOutputStream();
            }
        };
        this.getEnv().getCcPipeline().setup(out);
        this.getEnv().getCcPipeline().execute();
    } catch (Exception e) {
        String absPath = this.getEnv().getSling().getRequest().getResource().getPath();
        throw new Exception("Error in pipeline for resource: " + absPath, e);
    }
}