WSXACMLMessageReceiver.java 文件源码

/**
 * `
 * Serialize XML objects
 *
 * @param xmlObject : XACML or SAML objects to be serialized
 * @return serialized XACML or SAML objects
 * @throws EntitlementException
 */
private String marshall(XMLObject xmlObject) throws EntitlementException {

    try {
        doBootstrap();
        System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
                "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");

        MarshallerFactory marshallerFactory = org.opensaml.xml.Configuration.getMarshallerFactory();
        Marshaller marshaller = marshallerFactory.getMarshaller(xmlObject);
        Element element = marshaller.marshall(xmlObject);

        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl =
                (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSOutput output = impl.createLSOutput();
        output.setByteStream(byteArrayOutputStream);
        writer.write(element, output);
        return byteArrayOutputStream.toString();
    } catch (Exception e) {
        log.error("Error Serializing the SAML Response");
        throw new EntitlementException("Error Serializing the SAML Response", e);
    }
}