private void doTestSignatureProxy(String address, boolean enveloping, String cryptoUrlPrefix) throws Exception {
JAXRSClientFactoryBean bean = new JAXRSClientFactoryBean();
bean.setAddress(address);
SpringBusFactory bf = new SpringBusFactory();
URL busFile = JAXRSXmlSecTest.class.getResource("client.xml");
Bus springBus = bf.createBus(busFile.toString());
bean.setBus(springBus);
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("ws-security.callback-handler",
"org.apache.cxf.systest.jaxrs.security.saml.KeystorePasswordCallback");