blueprint/blueprint-core/src/main/java/org/apache/aries/blueprint/ext/impl/ExtNamespaceHandler.java [304:330]:
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    private ComponentMetadata decorateProxyMethod(Node node, ComponentMetadata component, ParserContext context) {
        if (!(component instanceof ServiceReferenceMetadata)) {
            throw new ComponentDefinitionException("Attribute " + node.getNodeName() + " can only be used on a <reference> or <reference-list> element");
        }
        if (!(component instanceof MutableServiceReferenceMetadata)) {
            throw new ComponentDefinitionException("Expected an instance of MutableServiceReferenceMetadata");
        }
        int method = 0;
        String value = ((Attr) node).getValue();
        String[] flags = value.trim().split(" ");
        for (String flag : flags) {
            if (PROXY_METHOD_DEFAULT.equals(flag)) {
                method += ExtendedReferenceListMetadata.PROXY_METHOD_DEFAULT;
            } else if (PROXY_METHOD_CLASSES.equals(flag)) {
                method += ExtendedReferenceListMetadata.PROXY_METHOD_CLASSES;
            } else if (PROXY_METHOD_GREEDY.equals(flag)) {
                method += ExtendedReferenceListMetadata.PROXY_METHOD_GREEDY;
            } else {
                throw new ComponentDefinitionException("Unknown proxy method: " + flag);
            }
        }
        if ((method & ExtendedReferenceListMetadata.PROXY_METHOD_GREEDY) != 0 && !(component instanceof ReferenceListMetadata)) {
            throw new ComponentDefinitionException("Greedy proxying is only available for <reference-list> element");
        }
        ((MutableServiceReferenceMetadata) component).setProxyMethod(method);
        return component;
    }
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blueprint/blueprint-noosgi/src/main/java/org/apache/aries/blueprint/ext/impl/ExtNamespaceHandler.java [288:314]:
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    private ComponentMetadata decorateProxyMethod(Node node, ComponentMetadata component, ParserContext context) {
        if (!(component instanceof ServiceReferenceMetadata)) {
            throw new ComponentDefinitionException("Attribute " + node.getNodeName() + " can only be used on a <reference> or <reference-list> element");
        }
        if (!(component instanceof MutableServiceReferenceMetadata)) {
            throw new ComponentDefinitionException("Expected an instance of MutableServiceReferenceMetadata");
        }
        int method = 0;
        String value = ((Attr) node).getValue();
        String[] flags = value.trim().split(" ");
        for (String flag : flags) {
            if (PROXY_METHOD_DEFAULT.equals(flag)) {
                method += ExtendedReferenceListMetadata.PROXY_METHOD_DEFAULT;
            } else if (PROXY_METHOD_CLASSES.equals(flag)) {
                method += ExtendedReferenceListMetadata.PROXY_METHOD_CLASSES;
            } else if (PROXY_METHOD_GREEDY.equals(flag)) {
                method += ExtendedReferenceListMetadata.PROXY_METHOD_GREEDY;
            } else {
                throw new ComponentDefinitionException("Unknown proxy method: " + flag);
            }
        }
        if ((method & ExtendedReferenceListMetadata.PROXY_METHOD_GREEDY) != 0 && !(component instanceof ReferenceListMetadata)) {
            throw new ComponentDefinitionException("Greedy proxying is only available for <reference-list> element");
        }
        ((MutableServiceReferenceMetadata) component).setProxyMethod(method);
        return component;
    }
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