public Transport doCompositeConnect(URI location) throws Exception{
URI brokerURI;
String host;
Map options;
boolean create=true;
CompositeData data=URISupport.parseComposite(location);
if(data.getComponents().length==1&&"broker".equals(data.getComponents()[0].getScheme())){
brokerURI=data.getComponents()[0];
CompositeData brokerData=URISupport.parseComposite(brokerURI);
host=(String) brokerData.getParameters().get("brokerName");
if(host==null)
host="localhost";
if(brokerData.getPath()!=null)
host=data.getPath();
options=data.getParameters();
location=new URI("vm://"+host);
}else{
// If using the less complex vm://localhost?broker.persistent=true form