How to use org.jboss.wsf.spi.metadata.j2ee.serviceref

private String getPortComponentLink(UnifiedServiceRefMetaData refMetaData) {
  for (UnifiedPortComponentRefMetaData pcr : refMetaData.getPortComponentRefs())
  {
   return pcr.getPortComponentLink();
  }
  return null;
}

/**
* This method is called on the factory by the object model builder when the parsing starts.
*
* @return the root of the object model.
*/
public Object newRoot(Object root, UnmarshallingContext navigator, String namespaceURI, String localName, Attributes attrs)
{
 UnifiedHandlerChainsMetaData handlerConfigMetaData = new UnifiedHandlerChainsMetaData(HandlerType.ENDPOINT);
 return handlerConfigMetaData;
}

/**
* Called when parsing character is complete.
*/
public void addChild(UnifiedHandlerChainMetaData chain, UnifiedHandlerMetaData handler, UnmarshallingContext navigator, String namespaceURI, String localName)
{
 chain.addHandler(handler);
}

private static Set<String> getHandlers(final InputStream is) throws IOException {
  final Set<String> retVal = new HashSet<String>();
  final UnifiedHandlerChainsMetaData handlerChainsUMDM = UnifiedHandlerChainsMetaDataParser.parse(is);
  if (handlerChainsUMDM != null) {
    for (final UnifiedHandlerChainMetaData handlerChainUMDM : handlerChainsUMDM.getHandlerChains()) {
      for (final UnifiedHandlerMetaData handlerUMDM : handlerChainUMDM.getHandlers()) {
        retVal.add(handlerUMDM.getHandlerClass());
      }
    }
  }
  return retVal;
}

private UnifiedHandlerChainsMetaData buildHandlerChains(List<String> handlerClasses) {
  List<UnifiedHandlerMetaData> handlers = new ArrayList<UnifiedHandlerMetaData>();
  for (String handlerClass : handlerClasses) {
    handlers.add(new UnifiedHandlerMetaData(handlerClass, null, null, null, null, null));
  }
  return new UnifiedHandlerChainsMetaData(new UnifiedHandlerChainMetaData(null, null, null, handlers, false, null));
}

/**
* Called when parsing of a new element started.
*/
public Object newChild(PortComponentMetaData portComponent, UnmarshallingContext navigator, String namespaceURI, String localName, Attributes attrs)
{
 if ("handler".equals(localName))
   return new UnifiedHandlerMetaData(null);
 else if ("handler-chains".equals(localName))
   return new UnifiedHandlerChainsMetaData();
 else return null;
}

public DelegatingHandlerChainMetaData()
{
 delegate = new UnifiedHandlerChainMetaData();
}

private static UnifiedHandlerMetaData getHandler(final UnifiedHandlerChainMetaData handlerChain, final String handlerName) {
  if (handlerChain.getHandlers() != null) {
    for (final UnifiedHandlerMetaData handler : handlerChain.getHandlers()) {
      if (handlerName.equals(handler.getHandlerName())) return handler;
    }
  }
  return null;
}

/**
* Called when parsing character is complete.
*/
public void addChild(UnifiedHandlerMetaData handler, UnifiedInitParamMetaData param, UnmarshallingContext navigator, String namespaceURI, String localName)
{
 handler.addInitParam(param);
}

  public void addHandlerChain(DelegatingHandlerChainMetaData data)
  {
   delegate.addHandlerChain(data.delegate);
  }
}

  public void addStubProperty(DelegatingStubPropertyMetaData data)
  {
   delegate.addStubProperty(data.delegate);
  }
}

public void merge(ServiceRefMetaData sref)
{
 UnifiedServiceRefMetaData usref = ((DelegatingServiceRefMetaData)sref).delegate;
 delegate.merge(usref);
}

  public void addCallProperty(DelegatingCallPropertyMetaData data)
  {
   delegate.addCallProperty(data.delegate);
  }
}

private static Set<String> getHandlers(final InputStream is) throws IOException {
  final Set<String> retVal = new HashSet<String>();
  final UnifiedHandlerChainsMetaData handlerChainsUMDM = UnifiedHandlerChainsMetaDataParser.parse(is);
  for (final UnifiedHandlerChainMetaData handlerChainUMDM : handlerChainsUMDM.getHandlerChains()) {
    for (final UnifiedHandlerMetaData handlerUMDM : handlerChainUMDM.getHandlers()) {
      retVal.add(handlerUMDM.getHandlerClass());
    }
  }
  return retVal;
}

  public void addInitParam(DelegatingInitParamMetaData data)
  {
   delegate.addInitParam(data.delegate);
  }
}

/**
* Called when parsing character is complete.
*/
public void addChild(UnifiedHandlerChainsMetaData handlerConfig, UnifiedHandlerChainMetaData handlerChain, UnmarshallingContext navigator, String namespaceURI,
   String localName)
{
 handlerConfig.addHandlerChain(handlerChain);
}

/**
* Called when parsing character is complete.
*/
public void addChild(UnifiedHandlerChainMetaData handlerConfig, UnifiedHandlerMetaData handler, UnmarshallingContext navigator, String namespaceURI, String localName)
{
 handlerConfig.addHandler(handler);
}

private static Set<String> getHandlers(final InputStream is) throws IOException {
  final Set<String> retVal = new HashSet<String>();
  final UnifiedHandlerChainsMetaData handlerChainsUMDM = UnifiedHandlerChainsMetaDataParser.parse(is);
  if (handlerChainsUMDM != null) {
    for (final UnifiedHandlerChainMetaData handlerChainUMDM : handlerChainsUMDM.getHandlerChains()) {
      for (final UnifiedHandlerMetaData handlerUMDM : handlerChainUMDM.getHandlers()) {
        retVal.add(handlerUMDM.getHandlerClass());
      }
    }
  }
  return retVal;
}

/**
* Called when parsing character is complete.
*/
public void addChild(UnifiedHandlerMetaData handler, UnifiedInitParamMetaData param, UnmarshallingContext navigator, String namespaceURI, String localName)
{
 handler.addInitParam(param);
}

/**
* Called when parsing character is complete.
*/
public void addChild(UnifiedHandlerChainsMetaData chains, UnifiedHandlerChainMetaData handlerChain, UnmarshallingContext navigator, String namespaceURI,
   String localName)
{
 chains.addHandlerChain(handlerChain);
}