SSOUtils.java 文件源码

/**
 * Serializes the specified SAML 2.0 based XML content representation to its corresponding actual XML syntax
 * representation.
 *
 * @param xmlObject the SAML 2.0 based XML content object
 * @return a {@link String} representation of the actual XML representation of the SAML 2.0 based XML content
 * representation
 * @throws SSOException if an error occurs during the marshalling process
 */
public static String marshall(XMLObject xmlObject) throws SSOException {
    try {
        Marshaller marshaller = XMLObjectProviderRegistrySupport.getMarshallerFactory().getMarshaller(xmlObject);
        Element element = null;
        if (marshaller != null) {
            element = marshaller.marshall(xmlObject);
        }
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS implementation = (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = implementation.createLSSerializer();
        LSOutput output = implementation.createLSOutput();
        output.setByteStream(byteArrayOutputStream);
        writer.write(element, output);
        return new String(byteArrayOutputStream.toByteArray(), StandardCharsets.UTF_8);
    } catch (ClassNotFoundException | InstantiationException | MarshallingException | IllegalAccessException e) {
        throw new SSOException("Error in marshalling SAML 2.0 Assertion", e);
    }
}