Examples with KXmlSerializer org.kxml2.io.KXmlSerializer used on opensource projects

Example 11 with KXmlSerializer

use of org.kxml2.io.KXmlSerializer in project collect by opendatakit.

the class EncryptionUtils method writeSubmissionManifest.

private static void writeSubmissionManifest(EncryptedFormInformation formInfo, File submissionXml, List<File> mediaFiles) throws EncryptionException {
    Document d = new Document();
    d.setStandalone(true);
    d.setEncoding(UTF_8);
    Element e = d.createElement(XML_ENCRYPTED_TAG_NAMESPACE, DATA);
    e.setPrefix(null, XML_ENCRYPTED_TAG_NAMESPACE);
    e.setAttribute(null, ID, formInfo.formId);
    if (formInfo.formVersion != null) {
        e.setAttribute(null, VERSION, formInfo.formVersion);
    }
    e.setAttribute(null, ENCRYPTED, "yes");
    d.addChild(0, Node.ELEMENT, e);
    int idx = 0;
    Element c;
    c = d.createElement(XML_ENCRYPTED_TAG_NAMESPACE, BASE64_ENCRYPTED_KEY);
    c.addChild(0, Node.TEXT, formInfo.base64RsaEncryptedSymmetricKey);
    e.addChild(idx++, Node.ELEMENT, c);
    c = d.createElement(XML_OPENROSA_NAMESPACE, META);
    c.setPrefix("orx", XML_OPENROSA_NAMESPACE);
    {
        Element instanceTag = d.createElement(XML_OPENROSA_NAMESPACE, INSTANCE_ID);
        instanceTag.addChild(0, Node.TEXT, formInfo.instanceMetadata.instanceId);
        c.addChild(0, Node.ELEMENT, instanceTag);
    }
    e.addChild(idx++, Node.ELEMENT, c);
    e.addChild(idx++, Node.IGNORABLE_WHITESPACE, NEW_LINE);
    if (mediaFiles != null) {
        for (File file : mediaFiles) {
            c = d.createElement(XML_ENCRYPTED_TAG_NAMESPACE, MEDIA);
            Element fileTag = d.createElement(XML_ENCRYPTED_TAG_NAMESPACE, FILE);
            fileTag.addChild(0, Node.TEXT, file.getName() + ".enc");
            c.addChild(0, Node.ELEMENT, fileTag);
            e.addChild(idx++, Node.ELEMENT, c);
            e.addChild(idx++, Node.IGNORABLE_WHITESPACE, NEW_LINE);
        }
    }
    c = d.createElement(XML_ENCRYPTED_TAG_NAMESPACE, ENCRYPTED_XML_FILE);
    c.addChild(0, Node.TEXT, submissionXml.getName() + ".enc");
    e.addChild(idx++, Node.ELEMENT, c);
    c = d.createElement(XML_ENCRYPTED_TAG_NAMESPACE, BASE64_ENCRYPTED_ELEMENT_SIGNATURE);
    c.addChild(0, Node.TEXT, formInfo.getBase64EncryptedElementSignature());
    e.addChild(idx, Node.ELEMENT, c);
    FileOutputStream fout = null;
    OutputStreamWriter writer = null;
    try {
        fout = new FileOutputStream(submissionXml);
        writer = new OutputStreamWriter(fout, UTF_8);
        KXmlSerializer serializer = new KXmlSerializer();
        serializer.setOutput(writer);
        // setting the response content type emits the xml header.
        // just write the body here...
        d.writeChildren(serializer);
        serializer.flush();
        writer.flush();
        fout.getChannel().force(true);
        writer.close();
    } catch (Exception ex) {
        String msg = "Error writing submission.xml for encrypted submission: " + submissionXml.getParentFile().getName();
        Timber.e(ex, "%s due to : %s ", msg, ex.getMessage());
        throw new EncryptionException(msg, ex);
    } finally {
        IOUtils.closeQuietly(writer);
        IOUtils.closeQuietly(fout);
    }
}