XmlPolicyModelUnmarshaller.java 文件源码

private String unmarshalNodeContent(final NamespaceVersion nsVersion, final ModelNode node, final QName nodeElementName, final XMLEventReader reader) throws PolicyException {
    StringBuilder valueBuffer = null;

    loop:
    while (reader.hasNext()) {
        try {
            final XMLEvent xmlParserEvent = reader.nextEvent();
            switch (xmlParserEvent.getEventType()) {
                case XMLStreamConstants.COMMENT:
                    break; // skipping the comments
                case XMLStreamConstants.CHARACTERS:
                    valueBuffer = processCharacters(node.getType(), xmlParserEvent.asCharacters(), valueBuffer);
                    break;
                case XMLStreamConstants.END_ELEMENT:
                    checkEndTagName(nodeElementName, xmlParserEvent.asEndElement());
                    break loop; // data exctraction for currently processed policy node is done
                case XMLStreamConstants.START_ELEMENT:
                    final StartElement childElement = xmlParserEvent.asStartElement();

                    ModelNode childNode = addNewChildNode(nsVersion, node, childElement);
                    String value = unmarshalNodeContent(nsVersion, childNode, childElement.getName(), reader);

                    if (childNode.isDomainSpecific()) {
                        parseAssertionData(nsVersion, value, childNode, childElement);
                    }
                    break;
                default:
                    throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0011_UNABLE_TO_UNMARSHALL_POLICY_XML_ELEM_EXPECTED()));
            }
        } catch (XMLStreamException e) {
            throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0068_FAILED_TO_UNMARSHALL_POLICY_EXPRESSION(), e));
        }
    }

    return (valueBuffer == null) ? null : valueBuffer.toString().trim();
}