blueprint/blueprint-core/src/main/java/org/apache/aries/blueprint/ext/impl/ExtNamespaceHandler.java [488:548]:
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    private Metadata parseDefaultProperties(ParserContext context, MutableBeanMetadata enclosingComponent, Element element) {
        MutableMapMetadata props = context.createMetadata(MutableMapMetadata.class);
        NodeList nl = element.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            if (node instanceof Element) {
                Element e = (Element) node;
                if (isExtNamespace(e.getNamespaceURI())) {
                    if (nodeNameEquals(e, PROPERTY_ELEMENT)) {
                        BeanProperty prop = context.parseElement(BeanProperty.class, enclosingComponent, e);
                        props.addEntry(createValue(context, prop.getName(), String.class.getName()), prop.getValue());
                    }
                }
            }
        }
        return props;
    }

    public String getId(ParserContext context, Element element) {
        if (element.hasAttribute(ID_ATTRIBUTE)) {
            return element.getAttribute(ID_ATTRIBUTE);
        } else {
            return generateId(context);
        }
    }

    public void generateIdIfNeeded(ParserContext context, MutableComponentMetadata metadata) {
        if (metadata.getId() == null) {
            metadata.setId(generateId(context));
        }
    }

    private String generateId(ParserContext context) {
        String id;
        do {
            id = ".ext-" + ++idCounter;
        } while (context.getComponentDefinitionRegistry().containsComponentDefinition(id));
        return id;
    }

    private static ValueMetadata createValue(ParserContext context, String value) {
        return createValue(context, value, null);
    }

    private static ValueMetadata createValue(ParserContext context, String value, String type) {
        MutableValueMetadata m = context.createMetadata(MutableValueMetadata.class);
        m.setStringValue(value);
        m.setType(type);
        return m;
    }

    private static RefMetadata createRef(ParserContext context, String value) {
        MutableRefMetadata m = context.createMetadata(MutableRefMetadata.class);
        m.setComponentId(value);
        return m;
    }

    private static IdRefMetadata createIdRef(ParserContext context, String value) {
        MutableIdRefMetadata m = context.createMetadata(MutableIdRefMetadata.class);
        m.setComponentId(value);
        return m;
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blueprint/blueprint-noosgi/src/main/java/org/apache/aries/blueprint/ext/impl/ExtNamespaceHandler.java [553:613]:
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    private Metadata parseDefaultProperties(ParserContext context, MutableBeanMetadata enclosingComponent, Element element) {
        MutableMapMetadata props = context.createMetadata(MutableMapMetadata.class);
        NodeList nl = element.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            if (node instanceof Element) {
                Element e = (Element) node;
                if (isExtNamespace(e.getNamespaceURI())) {
                    if (nodeNameEquals(e, PROPERTY_ELEMENT)) {
                        BeanProperty prop = context.parseElement(BeanProperty.class, enclosingComponent, e);
                        props.addEntry(createValue(context, prop.getName(), String.class.getName()), prop.getValue());
                    }
                }
            }
        }
        return props;
    }

    public String getId(ParserContext context, Element element) {
        if (element.hasAttribute(ID_ATTRIBUTE)) {
            return element.getAttribute(ID_ATTRIBUTE);
        } else {
            return generateId(context);
        }
    }

    public void generateIdIfNeeded(ParserContext context, MutableComponentMetadata metadata) {
        if (metadata.getId() == null) {
            metadata.setId(generateId(context));
        }
    }

    private String generateId(ParserContext context) {
        String id;
        do {
            id = ".ext-" + ++idCounter;
        } while (context.getComponentDefinitionRegistry().containsComponentDefinition(id));
        return id;
    }

    private static ValueMetadata createValue(ParserContext context, String value) {
        return createValue(context, value, null);
    }

    private static ValueMetadata createValue(ParserContext context, String value, String type) {
        MutableValueMetadata m = context.createMetadata(MutableValueMetadata.class);
        m.setStringValue(value);
        m.setType(type);
        return m;
    }

    private static RefMetadata createRef(ParserContext context, String value) {
        MutableRefMetadata m = context.createMetadata(MutableRefMetadata.class);
        m.setComponentId(value);
        return m;
    }

    private static IdRefMetadata createIdRef(ParserContext context, String value) {
        MutableIdRefMetadata m = context.createMetadata(MutableIdRefMetadata.class);
        m.setComponentId(value);
        return m;
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