Examples with Marshaller org.springframework.oxm.Marshaller used on opensource projects

Example 6 with Marshaller

use of org.springframework.oxm.Marshaller in project uPortal by Jasig.

the class IdentityImportExportTestUtilities method testIdentityImportExport.

public static <T> void testIdentityImportExport(TransactionOperations transactionOperations, final IDataImporter<T> dataImporter, final IDataExporter<?> dataExporter, Resource resource, Function<T, String> getName) throws Exception {
    final String importData = toString(resource);
    final XMLInputFactory xmlInputFactory = XMLInputFactory.newFactory();
    final XMLEventReader xmlEventReader = xmlInputFactory.createXMLEventReader(new StringReader(importData));
    //Unmarshall from XML
    final Unmarshaller unmarshaller = dataImporter.getUnmarshaller();
    final StAXSource source = new StAXSource(xmlEventReader);
    @SuppressWarnings("unchecked") final T dataImport = (T) unmarshaller.unmarshal(source);
    //Make sure the data was unmarshalled
    assertNotNull("Unmarshalled import data was null", dataImport);
    //Import the data
    dataImporter.importData(dataImport);
    //Export the data
    final String name = getName.apply(dataImport);
    final Object dataExport = transactionOperations.execute(new TransactionCallback<Object>() {

        /* (non-Javadoc)
                             * @see org.springframework.transaction.support.TransactionCallback#doInTransaction(org.springframework.transaction.TransactionStatus)
                             */
        @Override
        public Object doInTransaction(TransactionStatus status) {
            return dataExporter.exportData(name);
        }
    });
    //Make sure the data was exported
    assertNotNull("Exported data was null", dataExport);
    //Marshall to XML
    final Marshaller marshaller = dataExporter.getMarshaller();
    final StringWriter result = new StringWriter();
    marshaller.marshal(dataExport, new StreamResult(result));
    //Compare the exported XML data with the imported XML data, they should match
    final String resultString = result.toString();
    try {
        XMLUnit.setIgnoreWhitespace(true);
        Diff d = new Diff(new StringReader(importData), new StringReader(resultString));
        assertTrue("Export result differs from import" + d, d.similar());
    } catch (Exception e) {
        throw new XmlTestException("Failed to assert similar between import XML and export XML", resultString, e);
    } catch (Error e) {
        throw new XmlTestException("Failed to assert similar between import XML and export XML", resultString, e);
    }
}