FileObject fo = ...; // this is a file object from some project (even project directory is possible)
JAXWSSupport support = JAXWSSupport.getJAXWSSupport(fo);
MetadataModel<WebservicesMetadata> wsModel = support.getWebservicesMetadataModel();
if (wsModel!=null) {
    try {
        List<WS> wsList = wsModel.runReadAction(new MetadataModelAction<WebservicesMetadata, List<WS>>() {
            public List<WS> run(WebservicesMetadata metadata) {
                List<WS> result = new ArrayList<WS>();
                Webservices webServices = metadata.getRoot();
                for (WebserviceDescription wsDesc:webServices.getWebserviceDescription()) {
                    WS ws = new WS();
                    ws.setName(wsDesc.getWebserviceDescriptionName());
                    ws.setWsdlFile(wsDesc.getWsdlFile());
                    result.add(ws);
                }
                return result;
            }
        });
        // do whatever you want with wsList      
                  
    } catch (java.io.IOException ex) { ... }
}

private class WS {
    private String name;
    private String wsdlFile;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getWsdlFile() {
        return wsdlFile;
    }

    public void setWsdlFile(String wsdlFile) {
        this.wsdlFile = wsdlFile;
    }
}

FileObject fo = ...; // this is a file object from some project (even project directory is possible)
JAXWSSupport support = JAXWSSupport.getJAXWSSupport(implClassFo);
MetadataModel<WebservicesMetadata> wsModel = support.getWebservicesMetadataModel();
if (wsModel!=null) {
    try {
        List<WebserviceDescription> wsList = wsModel.runReadAction(new MetadataModelAction<WebservicesMetadata, List<WebserviceDescription>>() {
            public List<WebserviceDescription> run(WebservicesMetadata metadata) {
                List<WebserviceDescription> result = new ArrayList<WebserviceDescription>();
                Webservices webServices = metadata.getRoot();
                for (WebserviceDescription wsDesc:webServices.getWebserviceDescription()) {
                    result.add(wsDesc);
                }
                return result;
            }
        });
        // do whatever you want with wsList      
                  
    } catch (java.io.IOException ex) { ... }
}