Examples with ShieldOutputStream org.olat.core.util.io.ShieldOutputStream used on opensource projects

Example 26 with ShieldOutputStream

use of org.olat.core.util.io.ShieldOutputStream in project openolat by klemens.

the class QTI21ExportProcessor method assembleTest.

public void assembleTest(List<QuestionItemFull> fullItems, ZipOutputStream zout) {
    try {
        QtiSerializer qtiSerializer = qtiService.qtiSerializer();
        // imsmanifest
        ManifestBuilder manifest = ManifestBuilder.createAssessmentTestBuilder();
        // assessment test
        AssessmentTest assessmentTest = AssessmentTestFactory.createAssessmentTest("Assessment test from pool", "Section");
        String assessmentTestFilename = assessmentTest.getIdentifier() + ".xml";
        manifest.appendAssessmentTest(assessmentTestFilename);
        // make a section
        AssessmentSection section = assessmentTest.getTestParts().get(0).getAssessmentSections().get(0);
        // assessment items
        for (QuestionItemFull qitem : fullItems) {
            File resourceDirectory = qpoolFileStorage.getDirectory(qitem.getDirectory());
            File itemFile = new File(resourceDirectory, qitem.getRootFilename());
            String itemFilename = itemFile.getName();
            String container = qitem.getKey().toString();
            String containedFilename = container + "/" + itemFilename;
            ResolvedAssessmentItem resolvedAssessmentItem = qtiService.loadAndResolveAssessmentItemForCopy(itemFile.toURI(), resourceDirectory);
            ZipUtil.addFileToZip(containedFilename, itemFile, zout);
            AssessmentTestFactory.appendAssessmentItem(section, containedFilename);
            manifest.appendAssessmentItem(containedFilename);
            ManifestMetadataBuilder metadata = manifest.getResourceBuilderByHref(containedFilename);
            metadata.appendMetadataFrom(qitem, resolvedAssessmentItem, locale);
            // write materials
            try {
                Files.walkFileTree(resourceDirectory.toPath(), new SimpleFileVisitor<Path>() {

                    @Override
                    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                        String filename = file.getFileName().toString();
                        if (!"imsmanifest.xml".equals(filename) && !filename.startsWith(".") && !itemFilename.equals(filename)) {
                            String relPath = resourceDirectory.toPath().relativize(file).toString();
                            ZipUtil.addFileToZip(container + "/" + relPath, file, zout);
                        }
                        return FileVisitResult.CONTINUE;
                    }
                });
            } catch (IOException e) {
                log.error("", e);
            }
        }
        zout.putNextEntry(new ZipEntry(assessmentTestFilename));
        qtiSerializer.serializeJqtiObject(assessmentTest, new ShieldOutputStream(zout));
        zout.closeEntry();
        zout.putNextEntry(new ZipEntry("imsmanifest.xml"));
        manifest.write(new ShieldOutputStream(zout));
        zout.closeEntry();
    } catch (IOException | URISyntaxException e) {
        log.error("", e);
    }
}