public void startElement()

in xmlschema-walker/src/main/java/org/apache/ws/commons/schema/docpath/DomBuilderFromSax.java [134:215]
65 lines of code
18 McCabe index (conditional complexity)

    public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {

        addContentToCurrentElement(false);

        final Element element = document.createElementNS((uri.length() == 0) ? null : uri, qName);

        // Define New Prefixes
        for (String newPrefix : newPrefixes) {
            final String namespace = nsContext.getNamespaceURI(newPrefix);
            if (namespace == null) {
                throw new SAXException("Prefix " + newPrefix + " is not recognized.");
            }
            String qualifiedName = null;
            if (newPrefix.length() > 0) {
                qualifiedName = Constants.XMLNS_ATTRIBUTE + ':' + newPrefix;
            } else {
                qualifiedName = Constants.XMLNS_ATTRIBUTE;
            }

            try {
                element.setAttributeNS(Constants.XMLNS_ATTRIBUTE_NS_URI, qualifiedName, namespace);
            } catch (DOMException e) {
                throw new IllegalStateException("Cannot add namespace attribute ns=\""
                                                + Constants.XMLNS_ATTRIBUTE_NS_URI + "\", qn=\""
                                                + qualifiedName + "\", value=\"" + namespace
                                                + "\" to element \"" + qName + "\".", e);
            }
        }
        newPrefixes.clear();

        // Add Attributes
        final QName elemQName = new QName(uri, localName);
        XmlSchemaStateMachineNode stateMachine = null;
        if (elementsByQName != null) {
            stateMachine = elementsByQName.get(elemQName);
        }

        for (int attrIndex = 0; attrIndex < atts.getLength(); ++attrIndex) {
            String attrUri = atts.getURI(attrIndex);
            if (attrUri.length() == 0) {
                attrUri = null;
            }

            boolean isGlobal = globalNamespaces.contains(attrUri);
            if ((attrUri != null) && !isGlobal) {
                final QName attrQName = new QName(attrUri, atts.getLocalName(attrIndex));

                boolean found = false;
                if (stateMachine != null) {
                    for (XmlSchemaAttrInfo attrInfo : stateMachine.getAttributes()) {
                        if (attrInfo.getAttribute().getQName().equals(attrQName)) {
                            found = true;
                            isGlobal = attrInfo.isTopLevel();
                        }
                    }
                }

                if (!found && (schemas.getAttributeByQName(attrQName) != null)) {
                    isGlobal = true;
                }
            }

            final String attrValue = atts.getValue(attrIndex);

            if (!isGlobal) {
                element.setAttribute(atts.getLocalName(attrIndex), attrValue);
            } else {
                element.setAttributeNS(attrUri, atts.getQName(attrIndex), attrValue);
            }

        }

        // Update the Parent Element
        if (!elementStack.isEmpty()) {
            elementStack.get(elementStack.size() - 1).appendChild(element);
        } else {
            addNamespaceLocationMappings(element);
            document.appendChild(element);
        }

        elementStack.add(element);
    }