protected void prepareContainerXML()

in taverna-scufl2-ucfpackage/src/main/java/org/apache/taverna/scufl2/ucfpackage/UCFPackage.java [198:250]
38 lines of code
12 McCabe index (conditional complexity)

	protected void prepareContainerXML() throws IOException {
		if (containerXml == null || createdContainerXml
				&& containerXml.getValue().getRootFilesOrAny() == null)
			return;

		/* Check if we should prune <rootFiles> */
		Iterator<Object> iterator = containerXml.getValue().getRootFilesOrAny()
				.iterator();
		boolean foundAlready = false;
		while (iterator.hasNext()) {
			Object anyOrRoot = iterator.next();
			if (!(anyOrRoot instanceof JAXBElement))
				continue;
			@SuppressWarnings("rawtypes")
			JAXBElement elem = (JAXBElement) anyOrRoot;
			if (!elem.getDeclaredType().equals(RootFiles.class))
				continue;
			RootFiles rootFiles = (RootFiles) elem.getValue();
			if (foundAlready
					|| (rootFiles.getOtherAttributes().isEmpty() && rootFiles
							.getAnyOrRootFile().isEmpty())) {
				// Delete it!
				System.err.println("Deleting unneccessary <rootFiles>");
				iterator.remove();
			}
			foundAlready = true;
		}

		Marshaller marshaller;
		try {
			marshaller = createMarshaller();
			// XMLStreamWriter xmlStreamWriter = XMLOutputFactory
			// .newInstance().createXMLStreamWriter(outStream);
			// xmlStreamWriter.setDefaultNamespace(containerElem.getName()
			// .getNamespaceURI());
			//
			// xmlStreamWriter.setPrefix("dsig",
			// "http://www.w3.org/2000/09/xmldsig#");
			// xmlStreamWriter.setPrefix("xmlenc",
			// "http://www.w3.org/2001/04/xmlenc#");
			try (OutputStream outStream = odfPackage
					.insertOutputStream(CONTAINER_XML)) {
				// FIXME: Set namespace prefixes and default namespace
				marshaller.setProperty("jaxb.formatted.output", true);
				// TODO: Ensure using default namespace
				marshaller.marshal(containerXml, outStream);
			}
		} catch (IOException e) {
			throw e;
		} catch (Exception e) {
			throw new IOException("Could not parse " + CONTAINER_XML, e);
		}
	}