public DefaultElement(String name) 
{
       
        this.qname = DOCUMENT_FACTORY.createQName(name);
}

 public DefaultElement(QName qname) 
{
        this.qname = qname;
}

 public DefaultElement(QName qname,
    int attributeCount) 
{
        this.qname = qname;
        if (attributeCount  > 1) {
            this.attributes = new ArrayList(attributeCount);
        }
}

 public DefaultElement(String name,
    Namespace namespace) 
{
        this.qname = DOCUMENT_FACTORY.createQName(name, namespace);
}

 public  void add(Attribute attribute) 
{
        if (attribute.getParent() != null) {
            String message = "The Attribute already has an existing parent \""
                    + attribute.getParent().getQualifiedName() + "\"";
            throw new IllegalAddException(this, attribute, message);
        }
        if (attribute.getValue() == null) {
            // try remove a previous attribute with the same
            // name since adding an attribute with a null value
            // is equivalent to removing it.
            Attribute oldAttribute = attribute(attribute.getQName());
            if (oldAttribute != null) {
                remove(oldAttribute);
            }
        } else {
            if (attributes == null) {
                attributes = attribute;
            } else {
                attributeList().add(attribute);
            }
            childAdded(attribute);
        }
}

 protected  void addNewNode(Node node) 
{
        final Object contentShadow = content;
        if (contentShadow == null) {
            this.content = node;
        } else {
            if (contentShadow instanceof List) {
                List list = (List) contentShadow;
                list.add(node);
            } else {
                List list = createContentList();
                list.add(contentShadow);
                list.add(node);
                this.content = list;
            }
        }
        childAdded(node);
}

 public List additionalNamespaces() 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            int size = list.size();
            BackedList answer = createResultList();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof Namespace) {
                    Namespace namespace = (Namespace) object;
                    if (!namespace.equals(getNamespace())) {
                        answer.addLocal(namespace);
                    }
                }
            }
            return answer;
        } else {
            if (contentShadow instanceof Namespace) {
                Namespace namespace = (Namespace) contentShadow;
                if (namespace.equals(getNamespace())) {
                    return createEmptyList();
                }
                return createSingleResultList(namespace);
            } else {
                return createEmptyList();
            }
        }
}

 public List additionalNamespaces(String defaultNamespaceURI) 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            BackedList answer = createResultList();
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof Namespace) {
                    Namespace namespace = (Namespace) object;
                    if (!defaultNamespaceURI.equals(namespace.getURI())) {
                        answer.addLocal(namespace);
                    }
                }
            }
            return answer;
        } else {
            if (contentShadow instanceof Namespace) {
                Namespace namespace = (Namespace) contentShadow;
                if (!defaultNamespaceURI.equals(namespace.getURI())) {
                    return createSingleResultList(namespace);
                }
            }
        }
        return createEmptyList();
}

 public Attribute attribute(int index) 
{
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            List list = (List) attributesShadow;
            return (Attribute) list.get(index);
        } else if ((attributesShadow != null) && (index == 0)) {
            return (Attribute) attributesShadow;
        } else {
            return null;
        }
}

 public Attribute attribute(String name) 
{
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            List list = (List) attributesShadow;
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Attribute attribute = (Attribute) list.get(i);
                if (name.equals(attribute.getName())) {
                    return attribute;
                }
            }
        } else if (attributesShadow != null) {
            Attribute attribute = (Attribute) attributesShadow;
            if (name.equals(attribute.getName())) {
                return attribute;
            }
        }
        return null;
}

 public Attribute attribute(QName qName) 
{
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            List list = (List) attributesShadow;
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Attribute attribute = (Attribute) list.get(i);
                if (qName.equals(attribute.getQName())) {
                    return attribute;
                }
            }
        } else if (attributesShadow != null) {
            Attribute attribute = (Attribute) attributesShadow;
            if (qName.equals(attribute.getQName())) {
                return attribute;
            }
        }
        return null;
}

 public Attribute attribute(String name,
    Namespace namespace) 
{
        return attribute(getDocumentFactory().createQName(name, namespace));
}

 public int attributeCount() 
{
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            List list = (List) attributesShadow;
            return list.size();
        } else {
            return (attributesShadow != null) ? 1 : 0;
        }
}

 public Iterator attributeIterator() 
{
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            List list = (List) attributesShadow;
            return list.iterator();
        } else if (attributesShadow != null) {
            return createSingleIterator(attributesShadow);
        } else {
            return EMPTY_ITERATOR;
        }
}

 protected List attributeList() 
{
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            return (List) attributesShadow;
        } else if (attributesShadow != null) {
            List list = createAttributeList();
            list.add(attributesShadow);
            this.attributes = list;
            return list;
        } else {
            List list = createAttributeList();
            this.attributes = list;
            return list;
        }
}

 protected List attributeList(int size) 
{
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            return (List) attributesShadow;
        } else if (attributesShadow != null) {
            List list = createAttributeList(size);
            list.add(attributesShadow);
            this.attributes = list;
            return list;
        } else {
            List list = createAttributeList(size);
            this.attributes = list;
            return list;
        }
}

 public List attributes() 
{
        return new ContentListFacade(this, attributeList());
}

 public  void clearContent() 
{
        if (content != null) {
            contentRemoved();
            content = null;
        }
}

 public Object clone() 
{
        DefaultElement answer = (DefaultElement) super.clone();
        if (answer != this) {
            answer.content = null;
            answer.attributes = null;
            answer.appendAttributes(this);
            answer.appendContent(this);
        }
        return answer;
}

 protected List contentList() 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            return (List) contentShadow;
        } else {
            List list = createContentList();
            if (contentShadow != null) {
                list.add(contentShadow);
            }
            this.content = list;
            return list;
        }
}

 public List declaredNamespaces() 
{
        BackedList answer = createResultList();
        // if (getNamespaceURI().length()  > 0) {
        //
        // answer.addLocal(getNamespace());
        //
        // }
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof Namespace) {
                    answer.addLocal(object);
                }
            }
        } else {
            if (contentShadow instanceof Namespace) {
                answer.addLocal(contentShadow);
            }
        }
        return answer;
}

 public Element element(String name) 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof Element) {
                    Element element = (Element) object;
                    if (name.equals(element.getName())) {
                        return element;
                    }
                }
            }
        } else {
            if (contentShadow instanceof Element) {
                Element element = (Element) contentShadow;
                if (name.equals(element.getName())) {
                    return element;
                }
            }
        }
        return null;
}

 public Element element(QName qName) 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof Element) {
                    Element element = (Element) object;
                    if (qName.equals(element.getQName())) {
                        return element;
                    }
                }
            }
        } else {
            if (contentShadow instanceof Element) {
                Element element = (Element) contentShadow;
                if (qName.equals(element.getQName())) {
                    return element;
                }
            }
        }
        return null;
}

 public Element element(String name,
    Namespace namespace) 
{
        return element(getDocumentFactory().createQName(name, namespace));
}

 public Document getDocument() 
{
        if (parentBranch instanceof Document) {
            return (Document) parentBranch;
        } else if (parentBranch instanceof Element) {
            Element parent = (Element) parentBranch;
            return parent.getDocument();
        }
        return null;
}

 protected DocumentFactory getDocumentFactory() 
{
        DocumentFactory factory = qname.getDocumentFactory();
        return (factory != null) ? factory : DOCUMENT_FACTORY;
}

 public Namespace getNamespaceForPrefix(String prefix) 
{
        if (prefix == null) {
            prefix = "";
        }
        if (prefix.equals(getNamespacePrefix())) {
            return getNamespace();
        } else if (prefix.equals("xml")) {
            return Namespace.XML_NAMESPACE;
        } else {
            final Object contentShadow = content;
            if (contentShadow instanceof List) {
                List list = (List) contentShadow;
                int size = list.size();
                for (int i = 0; i <  size; i++) {
                    Object object = list.get(i);
                    if (object instanceof Namespace) {
                        Namespace namespace = (Namespace) object;
                        if (prefix.equals(namespace.getPrefix())) {
                            return namespace;
                        }
                    }
                }
            } else if (contentShadow instanceof Namespace) {
                Namespace namespace = (Namespace) contentShadow;
                if (prefix.equals(namespace.getPrefix())) {
                    return namespace;
                }
            }
        }
        Element parent = getParent();
        if (parent != null) {
            Namespace answer = parent.getNamespaceForPrefix(prefix);
            if (answer != null) {
                return answer;
            }
        }
        if ((prefix == null) || (prefix.length() < = 0)) {
            return Namespace.NO_NAMESPACE;
        }
        return null;
}

 public Namespace getNamespaceForURI(String uri) 
{
        if ((uri == null) || (uri.length() < = 0)) {
            return Namespace.NO_NAMESPACE;
        } else if (uri.equals(getNamespaceURI())) {
            return getNamespace();
        } else {
            final Object contentShadow = content;
            if (contentShadow instanceof List) {
                List list = (List) contentShadow;
                int size = list.size();
                for (int i = 0; i <  size; i++) {
                    Object object = list.get(i);
                    if (object instanceof Namespace) {
                        Namespace namespace = (Namespace) object;
                        if (uri.equals(namespace.getURI())) {
                            return namespace;
                        }
                    }
                }
            } else if (contentShadow instanceof Namespace) {
                Namespace namespace = (Namespace) contentShadow;
                if (uri.equals(namespace.getURI())) {
                    return namespace;
                }
            }
            Element parent = getParent();
            if (parent != null) {
                return parent.getNamespaceForURI(uri);
            }
            return null;
        }
}

 public Element getParent() 
{
        Element result = null;
        if (parentBranch instanceof Element) {
            result = (Element) parentBranch;
        }
        return result;
}

 public QName getQName() 
{
        return qname;
}

 public String getStringValue() 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            int size = list.size();
            if (size  > 0) {
                if (size == 1) {
                    // optimised to avoid StringBuffer creation
                    return getContentAsStringValue(list.get(0));
                } else {
                    StringBuffer buffer = new StringBuffer();
                    for (int i = 0; i <  size; i++) {
                        Object node = list.get(i);
                        String string = getContentAsStringValue(node);
                        if (string.length()  > 0) {
                            if (USE_STRINGVALUE_SEPARATOR) {
                                if (buffer.length()  > 0) {
                                    buffer.append(' ");
                                }
                            }
                            buffer.append(string);
                        }
                    }
                    return buffer.toString();
                }
            }
        } else {
            if (contentShadow != null) {
                return getContentAsStringValue(contentShadow);
            }
        }
        return "";
}

 public String getText() 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            return super.getText();
        } else {
            if (contentShadow != null) {
                return getContentAsText(contentShadow);
            } else {
                return "";
            }
        }
}

 public int indexOf(Node node) 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            return list.indexOf(node);
        } else {
            if ((contentShadow != null) && contentShadow.equals(node)) {
                return 0;
            } else {
                return -1;
            }
        }
}

 public Node node(int index) 
{
        if (index  >= 0) {
            final Object contentShadow = content;
            Object node;
            if (contentShadow instanceof List) {
                List list = (List) contentShadow;
                if (index  >= list.size()) {
                    return null;
                }
                node = list.get(index);
            } else {
                node = (index == 0) ? contentShadow : null;
            }
            if (node != null) {
                if (node instanceof Node) {
                    return (Node) node;
                } else {
                    return new DefaultText(node.toString());
                }
            }
        }
        return null;
}

 public int nodeCount() 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            return list.size();
        } else {
            return (contentShadow != null) ? 1 : 0;
        }
}

 public Iterator nodeIterator() 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            return list.iterator();
        } else {
            if (contentShadow != null) {
                return createSingleIterator(contentShadow);
            } else {
                return EMPTY_ITERATOR;
            }
        }
}

 public ProcessingInstruction processingInstruction(String target) 
{
        final Object shadow = content;
        if (shadow instanceof List) {
            List list = (List) shadow;
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof ProcessingInstruction) {
                    ProcessingInstruction pi = (ProcessingInstruction) object;
                    if (target.equals(pi.getName())) {
                        return pi;
                    }
                }
            }
        } else {
            if (shadow instanceof ProcessingInstruction) {
                ProcessingInstruction pi = (ProcessingInstruction) shadow;
                if (target.equals(pi.getName())) {
                    return pi;
                }
            }
        }
        return null;
}

 public List processingInstructions() 
{
        final Object contentShadow = content;
        if (contentShadow instanceof List) {
            List list = (List) contentShadow;
            BackedList answer = createResultList();
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof ProcessingInstruction) {
                    answer.addLocal(object);
                }
            }
            return answer;
        } else {
            if (contentShadow instanceof ProcessingInstruction) {
                return createSingleResultList(contentShadow);
            }
            return createEmptyList();
        }
}

 public List processingInstructions(String target) 
{
        final Object shadow = content;
        if (shadow instanceof List) {
            List list = (List) shadow;
            BackedList answer = createResultList();
            int size = list.size();
            for (int i = 0; i <  size; i++) {
                Object object = list.get(i);
                if (object instanceof ProcessingInstruction) {
                    ProcessingInstruction pi = (ProcessingInstruction) object;
                    if (target.equals(pi.getName())) {
                        answer.addLocal(pi);
                    }
                }
            }
            return answer;
        } else {
            if (shadow instanceof ProcessingInstruction) {
                ProcessingInstruction pi = (ProcessingInstruction) shadow;
                if (target.equals(pi.getName())) {
                    return createSingleResultList(pi);
                }
            }
            return createEmptyList();
        }
}

 public boolean remove(Attribute attribute) 
{
        boolean answer = false;
        final Object attributesShadow = this.attributes;
        if (attributesShadow instanceof List) {
            List list = (List) attributesShadow;
            answer = list.remove(attribute);
            if (!answer) {
                // we may have a copy of the attribute
                Attribute copy = attribute(attribute.getQName());
                if (copy != null) {
                    list.remove(copy);
                    answer = true;
                }
            }
        } else if (attributesShadow != null) {
            if (attribute.equals(attributesShadow)) {
                this.attributes = null;
                answer = true;
            } else {
                // we may have a copy of the attribute
                Attribute other = (Attribute) attributesShadow;
                if (attribute.getQName().equals(other.getQName())) {
                    attributes = null;
                    answer = true;
                }
            }
        }
        if (answer) {
            childRemoved(attribute);
        }
        return answer;
}

 protected boolean removeNode(Node node) 
{
        boolean answer = false;
        final Object contentShadow = content;
        if (contentShadow != null) {
            if (contentShadow == node) {
                this.content = null;
                answer = true;
            } else if (contentShadow instanceof List) {
                List list = (List) contentShadow;
                answer = list.remove(node);
            }
        }
        if (answer) {
            childRemoved(node);
        }
        return answer;
}

 public boolean removeProcessingInstruction(String target) 
{
        final Object shadow = content;
        if (shadow instanceof List) {
            List list = (List) shadow;
            for (Iterator iter = list.iterator(); iter.hasNext();) {
                Object object = iter.next();
                if (object instanceof ProcessingInstruction) {
                    ProcessingInstruction pi = (ProcessingInstruction) object;
                    if (target.equals(pi.getName())) {
                        iter.remove();
                        return true;
                    }
                }
            }
        } else {
            if (shadow instanceof ProcessingInstruction) {
                ProcessingInstruction pi = (ProcessingInstruction) shadow;
                if (target.equals(pi.getName())) {
                    this.content = null;
                    return true;
                }
            }
        }
        return false;
}

 protected  void setAttributeList(List attributeList) 
{
        this.attributes = attributeList;
}

 public  void setAttributes(List attributes) 
{
        if (attributes instanceof ContentListFacade) {
            attributes = ((ContentListFacade) attributes).getBackingList();
        }
        this.attributes = attributes;
}

 public  void setContent(List content) 
{
        contentRemoved();
        if (content instanceof ContentListFacade) {
            content = ((ContentListFacade) content).getBackingList();
        }
        if (content == null) {
            this.content = null;
        } else {
            int size = content.size();
            List newContent = createContentList(size);
            for (int i = 0; i <  size; i++) {
                Object object = content.get(i);
                if (object instanceof Node) {
                    Node node = (Node) object;
                    Element parent = node.getParent();
                    if ((parent != null) && (parent != this)) {
                        node = (Node) node.clone();
                    }
                    newContent.add(node);
                    childAdded(node);
                } else if (object != null) {
                    String text = object.toString();
                    Node node = getDocumentFactory().createText(text);
                    newContent.add(node);
                    childAdded(node);
                }
            }
            this.content = newContent;
        }
}

 public  void setDocument(Document document) 
{
        if (parentBranch instanceof Document || (document != null)) {
            parentBranch = document;
        }
}

 public  void setParent(Element parent) 
{
        if (parentBranch instanceof Element || (parent != null)) {
            parentBranch = parent;
        }
}

 public  void setQName(QName name) 
{
        this.qname = name;
}

 public boolean supportsParent() 
{
        return true;
}