private static void writeStartElement()

in src/main/java/org/apache/servicemix/jbi/jaxp/XMLStreamHelper.java [85:157]
57 lines of code
19 McCabe index (conditional complexity)

    private static void writeStartElement(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
        String local = reader.getLocalName();
        String uri = reader.getNamespaceURI();
        String prefix = reader.getPrefix();
        if (prefix == null) {
            prefix = "";
        }
        if (uri == null) {
            uri = "";
        }

        String boundPrefix = writer.getPrefix(uri);
        boolean writeElementNS = false;
        if (boundPrefix == null || !prefix.equals(boundPrefix)) {
            writeElementNS = true;
        }

        // Write out the element name
        if (prefix.length() == 0) {

            writer.writeStartElement(local);
            writer.setDefaultNamespace(uri);

        } else {
            writer.writeStartElement(prefix, local, uri);
            writer.setPrefix(prefix, uri);
        }

        // Write out the namespaces
        for (int i = 0; i < reader.getNamespaceCount(); i++) {
            String nsURI = reader.getNamespaceURI(i);
            String nsPrefix = reader.getNamespacePrefix(i);
            if (nsPrefix == null) {
                nsPrefix = "";
            }

            if (nsPrefix.length() == 0) {
                writer.writeDefaultNamespace(nsURI);
            } else {
                writer.writeNamespace(nsPrefix, nsURI);
            }

            if (nsURI.equals(uri) && nsPrefix.equals(prefix)) {
                writeElementNS = false;
            }
        }

        // Check if the namespace still needs to be written.
        // We need this check because namespace writing works
        // different on Woodstox and the RI.
        if (writeElementNS) {
            if (prefix == null || prefix.length() == 0) {
                writer.writeDefaultNamespace(uri);
            } else {
                writer.writeNamespace(prefix, uri);
            }
        }

        // Write out attributes
        for (int i = 0; i < reader.getAttributeCount(); i++) {
            String ns = reader.getAttributeNamespace(i);
            String nsPrefix = reader.getAttributePrefix(i);
            if (ns == null || ns.length() == 0) {
                writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i));
            } else if (nsPrefix == null || nsPrefix.length() == 0) {
                writer.writeAttribute(reader.getAttributeNamespace(i), reader.getAttributeLocalName(i), reader.getAttributeValue(i));
            } else {
                writer.writeAttribute(reader.getAttributePrefix(i), reader.getAttributeNamespace(i), reader.getAttributeLocalName(i),
                                reader.getAttributeValue(i));
            }

        }
    }