/**
 * Import preferences from the specified input stream, which is assumed to
 * contain an XML document in the format described in the Preferences spec.
 *
 * @throws IOException
 *             if reading from the specified output stream results in an
 *             <tt>IOException</tt>.
 * @throws InvalidPreferencesFormatException
 *             Data on input stream does not constitute a valid XML document
 *             with the mandated document type.
 */
static void importPreferences(InputStream is) throws IOException, InvalidPreferencesFormatException {
    try {
        Document doc = loadPrefsDoc(is);
        String xmlVersion = doc.getDocumentElement().getAttribute("EXTERNAL_XML_VERSION");
        if (xmlVersion.compareTo(EXTERNAL_XML_VERSION) > 0)
            throw new InvalidPreferencesFormatException("Exported preferences file format version " + xmlVersion
                    + " is not supported. This java installation can read" + " versions " + EXTERNAL_XML_VERSION
                    + " or older. You may need" + " to install a newer version of JDK.");

        Element xmlRoot = (Element) doc.getDocumentElement().getChildNodes().item(0);
        Preferences prefsRoot = (xmlRoot.getAttribute("type").equals("user") ? Preferences.userRoot()
                : Preferences.systemRoot());
        ImportSubtree(prefsRoot, xmlRoot);
    } catch (SAXException | BackingStoreException e) {
        throw new InvalidPreferencesFormatException(e);
    }
}
 

/**
 * Import Map from the specified input stream, which is assumed to contain a map
 * document as per the prefs DTD. This is used as the internal (undocumented)
 * format for FileSystemPrefs. The key-value pairs specified in the XML document
 * will be put into the specified Map. (If this Map is empty, it will contain
 * exactly the key-value pairs int the XML-document when this method returns.)
 *
 * @throws IOException
 *             if reading from the specified output stream results in an
 *             <tt>IOException</tt>.
 * @throws InvalidPreferencesFormatException
 *             Data on input stream does not constitute a valid XML document
 *             with the mandated document type.
 */
static void importMap(InputStream is, Map m) throws IOException, InvalidPreferencesFormatException {
    try {
        Document doc = loadPrefsDoc(is);
        Element xmlMap = doc.getDocumentElement();
        // check version
        String mapVersion = xmlMap.getAttribute("MAP_XML_VERSION");
        if (mapVersion.compareTo(MAP_XML_VERSION) > 0)
            throw new InvalidPreferencesFormatException("Preferences map file format version " + mapVersion
                    + " is not supported. This java installation can read" + " versions " + MAP_XML_VERSION
                    + " or older. You may need" + " to install a newer version of JDK.");

        NodeList entries = xmlMap.getChildNodes();
        for (int i = 0, numEntries = entries.getLength(); i < numEntries; i++) {
            Element entry = (Element) entries.item(i);
            m.put(entry.getAttribute("key"), entry.getAttribute("value"));
        }
    } catch (SAXException e) {
        throw new InvalidPreferencesFormatException(e);
    }
}
 

static void importPreferences(InputStream is)
    throws IOException, InvalidPreferencesFormatException
{
    try {
        Document doc = loadPrefsDoc(is);
        String xmlVersion =
            doc.getDocumentElement().getAttribute("EXTERNAL_XML_VERSION");
        if (xmlVersion.compareTo(EXTERNAL_XML_VERSION) > 0)
            throw new InvalidPreferencesFormatException(
            "Exported preferences file format version " + xmlVersion +
            " is not supported. This java installation can read" +
            " versions " + EXTERNAL_XML_VERSION + " or older. You may need" +
            " to install a newer version of JDK.");

        Element xmlRoot = (Element) doc.getDocumentElement().
                                           getChildNodes().item(0);
        Preferences prefsRoot =
            (xmlRoot.getAttribute("type").equals("user") ?
                        Preferences.userRoot() : Preferences.systemRoot());
        ImportSubtree(prefsRoot, xmlRoot);
    } catch(SAXException e) {
        throw new InvalidPreferencesFormatException(e);
    }
}
 

static void importMap(InputStream is, Map m)
    throws IOException, InvalidPreferencesFormatException
{
    try {
        Document doc = loadPrefsDoc(is);
        Element xmlMap = doc.getDocumentElement();

        String mapVersion = xmlMap.getAttribute("MAP_XML_VERSION");
        if (mapVersion.compareTo(MAP_XML_VERSION) > 0)
            throw new InvalidPreferencesFormatException(
            "Preferences map file format version " + mapVersion +
            " is not supported. This java installation can read" +
            " versions " + MAP_XML_VERSION + " or older. You may need" +
            " to install a newer version of JDK.");

        NodeList entries = xmlMap.getChildNodes();
        for (int i=0, numEntries=entries.getLength(); i<numEntries; i++) {
            Element entry = (Element) entries.item(i);
            m.put(entry.getAttribute("key"), entry.getAttribute("value"));
        }
    } catch(SAXException e) {
        throw new InvalidPreferencesFormatException(e);
    }
}
 

static void importPreferences(InputStream is)
    throws IOException, InvalidPreferencesFormatException
{
    try {
        Document doc = loadPrefsDoc(is);
        String xmlVersion =
            doc.getDocumentElement().getAttribute("EXTERNAL_XML_VERSION");
        if (xmlVersion.compareTo(EXTERNAL_XML_VERSION) > 0)
            throw new InvalidPreferencesFormatException(
            "Exported preferences file format version " + xmlVersion +
            " is not supported. This java installation can read" +
            " versions " + EXTERNAL_XML_VERSION + " or older. You may need" +
            " to install a newer version of JDK.");

        Element xmlRoot = (Element) doc.getDocumentElement().
                                           getChildNodes().item(0);
        Preferences prefsRoot =
            (xmlRoot.getAttribute("type").equals("user") ?
                        Preferences.userRoot() : Preferences.systemRoot());
        ImportSubtree(prefsRoot, xmlRoot);
    } catch(SAXException e) {
        throw new InvalidPreferencesFormatException(e);
    }
}
 

static void importMap(InputStream is, Map m)
    throws IOException, InvalidPreferencesFormatException
{
    try {
        Document doc = loadPrefsDoc(is);
        Element xmlMap = doc.getDocumentElement();

        String mapVersion = xmlMap.getAttribute("MAP_XML_VERSION");
        if (mapVersion.compareTo(MAP_XML_VERSION) > 0)
            throw new InvalidPreferencesFormatException(
            "Preferences map file format version " + mapVersion +
            " is not supported. This java installation can read" +
            " versions " + MAP_XML_VERSION + " or older. You may need" +
            " to install a newer version of JDK.");

        NodeList entries = xmlMap.getChildNodes();
        for (int i=0, numEntries=entries.getLength(); i<numEntries; i++) {
            Element entry = (Element) entries.item(i);
            m.put(entry.getAttribute("key"), entry.getAttribute("value"));
        }
    } catch(SAXException e) {
        throw new InvalidPreferencesFormatException(e);
    }
}
 

@Test
// @Ignore("This doesn't actually assert that the substitute and export features work.")
public void testExport() throws IOException, BackingStoreException, InvalidPreferencesFormatException {
  Preferences userRoot = Preferences.userRoot();
  Preferences fromNode = userRoot.node("SemperUbi");
  assert fromNode instanceof PreferencesExt : "Factory not set = " + userRoot.getClass().getName();

  ByteArrayOutputStream os = new ByteArrayOutputStream(10000);
  fromNode.exportNode(os);
  String xml = new String(os.toByteArray());
  xml = substitute(xml, "SemperUbi", "SubUbi");
  ByteArrayInputStream is = new ByteArrayInputStream(xml.getBytes());
  Preferences.importPreferences(is);
  userRoot.exportSubtree(System.out);
}
 

public static void applyPreferencesFrom(final String path, final Map<String, Object> modelValues) {
	// DEBUG.OUT("Apply preferences from " + path);
	try (final FileInputStream is = new FileInputStream(path);) {
		store.importPreferences(is);
		reloadPreferences(modelValues);
	} catch (final IOException | InvalidPreferencesFormatException e) {
		e.printStackTrace();
	}
}
 

/**
 *
 * @throws IOException
 * @throws InvalidPreferencesFormatException
 */
public static void InitializeConfiguration() throws IOException, InvalidPreferencesFormatException {

    myPreferences.put("URL_EARTHTIMEORG", URL_EARTHTIMEORG);

    myPreferences.put("URI_UPB_PUBLIC_DATA", URI_UPB_PUBLIC_DATA);

    myPreferences.put("URI_AliquotXMLSchema", URI_AliquotXMLSchema);
    myPreferences.put("URI_AliquotUThXMLSchema", URI_AliquotUThXMLSchema);

    myPreferences.put("URI_UPbReduxFractionXMLSchemaURL", URI_UPbReduxFractionXMLSchemaURL);

    myPreferences.put("URI_AnalysisFractionXMLSchemaURL", URI_AnalysisFractionXMLSchemaURL);

    myPreferences.put("URI_InitialPbModelXMLSchema", URI_InitialPbModelXMLSchema);
    myPreferences.put("URI_InitialPbModelETXMLSchema", URI_InitialPbModelETXMLSchema);

    myPreferences.put("URI_PbBlankXMLSchema", URI_PbBlankXMLSchema);
    myPreferences.put("URI_PbBlankICModelXMLSchema", URI_PbBlankICModelXMLSchema);

    myPreferences.put("URI_MineralStandardModelXMLSchemaURL", URI_MineralStandardModelXMLSchemaURL);
    myPreferences.put("URI_MineralStandardUPbModelXMLSchemaURL", URI_MineralStandardUPbModelXMLSchemaURL);

    myPreferences.put("URI_PhysicalConstantsXMLSchema", URI_PhysicalConstantsXMLSchema);
    myPreferences.put("URI_PhysicalConstantsModelXMLSchema", URI_PhysicalConstantsModelXMLSchema);

    myPreferences.put("URI_TracerXMLSchema", URI_TracerXMLSchema);
    myPreferences.put("URI_TracerUPbModelXMLSchema", URI_TracerUPbModelXMLSchema);

    myPreferences.put("URI_EARTHTIME_XMLTracers", URI_EARTHTIME_XMLTracers);

    myPreferences.put("URI_ValueModelXMLSchema", URI_ValueModelXMLSchema);

    myPreferences.put("URI_SampleMetaDataXMLSchema", URI_SampleMetaDataXMLSchema);

    myPreferences.put("URI_ReportSettingsXMLSchema", URI_ReportSettingsXMLSchema);

    myPreferences.put("URI_ReduxMatrixXMLSchemaURL", URI_ReduxMatrixXMLSchemaURL);
    
    myPreferences.put("URI_DetritalUraniumAndThoriumModelXMLSchema", URI_DetritalUraniumAndThoriumModelXMLSchema);
}