public ProxyDocumentFactory() 
{
        // use default factory
        this.proxy = DocumentFactory.getInstance();
}

 public ProxyDocumentFactory(DocumentFactory proxy) 
{
        this.proxy = proxy;
}

 public Attribute createAttribute(Element owner,
    QName qname,
    String value) 
{
        return proxy.createAttribute(owner, qname, value);
}

 public Attribute createAttribute(Element owner,
    String name,
    String value) 
{
        return proxy.createAttribute(owner, name, value);
}

 public CDATA createCDATA(String text) 
{
        return proxy.createCDATA(text);
}

 public Comment createComment(String text) 
{
        return proxy.createComment(text);
}

 public DocumentType createDocType(String name,
    String publicId,
    String systemId) 
{
        return proxy.createDocType(name, publicId, systemId);
}

 public Document createDocument() 
{
        return proxy.createDocument();
}

 public Document createDocument(Element rootElement) 
{
        return proxy.createDocument(rootElement);
}

 public Element createElement(QName qname) 
{
        return proxy.createElement(qname);
}

 public Element createElement(String name) 
{
        return proxy.createElement(name);
}

 public Entity createEntity(String name,
    String text) 
{
        return proxy.createEntity(name, text);
}

 public Namespace createNamespace(String prefix,
    String uri) 
{
        return proxy.createNamespace(prefix, uri);
}

 public Pattern createPattern(String xpathPattern) 
{
        return proxy.createPattern(xpathPattern);
}

 public ProcessingInstruction createProcessingInstruction(String target,
    String data) 
{
        return proxy.createProcessingInstruction(target, data);
}

 public ProcessingInstruction createProcessingInstruction(String target,
    Map data) 
{
        return proxy.createProcessingInstruction(target, data);
}

 public QName createQName(String localName) 
{
        return proxy.createQName(localName);
}

 public QName createQName(String localName,
    Namespace namespace) 
{
        return proxy.createQName(localName, namespace);
}

 public QName createQName(String qualifiedName,
    String uri) 
{
        return proxy.createQName(qualifiedName, uri);
}

 public QName createQName(String name,
    String prefix,
    String uri) 
{
        return proxy.createQName(name, prefix, uri);
}

 public Text createText(String text) 
{
        return proxy.createText(text);
}

 public XPath createXPath(String xpathExpression) 
{
        return proxy.createXPath(xpathExpression);
}

 public XPath createXPath(String xpathExpression,
    VariableContext variableContext) 
{
        return proxy.createXPath(xpathExpression, variableContext);
}

 public NodeFilter createXPathFilter(String xpathFilterExpression) 
{
        return proxy.createXPathFilter(xpathFilterExpression);
}

 public NodeFilter createXPathFilter(String xpathFilterExpression,
    VariableContext variableContext) 
{
        return proxy.createXPathFilter(xpathFilterExpression, variableContext);
}

 protected DocumentFactory getProxy() 
{
        return proxy;
}

 protected  void setProxy(DocumentFactory proxy) 
{
        if (proxy == null) {
            // use default factory
            proxy = DocumentFactory.getInstance();
        }
        this.proxy = proxy;
}