Examples with XMLEvent javax.xml.stream.events.XMLEvent used on opensource projects

Example 31 with XMLEvent

use of javax.xml.stream.events.XMLEvent in project keycloak by keycloak.

the class SAMLAttributeValueParser method parse.

@Override
public Object parse(XMLEventReader xmlEventReader) throws ParsingException {
    StartElement element = StaxParserUtil.getNextStartElement(xmlEventReader);
    StaxParserUtil.validate(element, SAMLAssertionQNames.ATTRIBUTE_VALUE.getQName());
    Attribute nil = element.getAttributeByName(NIL);
    if (nil != null) {
        String nilValue = StaxParserUtil.getAttributeValue(nil);
        if (nilValue != null && (nilValue.equalsIgnoreCase("true") || nilValue.equals("1"))) {
            String elementText = StaxParserUtil.getElementText(xmlEventReader);
            if (elementText == null || elementText.isEmpty()) {
                return null;
            } else {
                throw logger.nullValueError("nil attribute is not in SAML20 format");
            }
        } else {
            throw logger.parserRequiredAttribute(JBossSAMLURIConstants.XSI_PREFIX.get() + ":nil");
        }
    }
    Attribute type = element.getAttributeByName(XSI_TYPE);
    if (type == null) {
        if (StaxParserUtil.hasTextAhead(xmlEventReader)) {
            return StaxParserUtil.getElementText(xmlEventReader);
        }
        // Else we may have Child Element
        XMLEvent xmlEvent = StaxParserUtil.peek(xmlEventReader);
        if (xmlEvent instanceof StartElement) {
            element = (StartElement) xmlEvent;
            final QName qName = element.getName();
            if (Objects.equals(qName, SAMLAssertionQNames.NAMEID.getQName())) {
                return SAMLParserUtil.parseNameIDType(xmlEventReader);
            }
        } else if (xmlEvent instanceof EndElement) {
            return "";
        }
        // when no type attribute assigned -> assume anyType
        return parseAnyTypeAsString(xmlEventReader);
    }
    // RK Added an additional type check for base64Binary type as calheers is passing this type
    String typeValue = StaxParserUtil.getAttributeValue(type);
    if (typeValue.contains(":string")) {
        return StaxParserUtil.getElementText(xmlEventReader);
    } else if (typeValue.contains(":anyType")) {
        return parseAnyTypeAsString(xmlEventReader);
    } else if (typeValue.contains(":base64Binary")) {
        return StaxParserUtil.getElementText(xmlEventReader);
    } else if (typeValue.contains(":date")) {
        return XMLTimeUtil.parse(StaxParserUtil.getElementText(xmlEventReader));
    } else if (typeValue.contains(":boolean")) {
        return StaxParserUtil.getElementText(xmlEventReader);
    }
    // KEYCLOAK-18417: Simply ignore unknown types
    logger.debug("Skipping attribute value of unsupported type " + typeValue);
    StaxParserUtil.bypassElementBlock(xmlEventReader);
    return null;
}

Example 32 with XMLEvent

use of javax.xml.stream.events.XMLEvent in project keycloak by keycloak.

the class StaxParserUtil method peekNextStartElement.

/**
 * Peek the next {@code StartElement }
 *
 * @param xmlEventReader
 *
 * @return
 *
 * @throws ParsingException
 */
public static StartElement peekNextStartElement(XMLEventReader xmlEventReader) throws ParsingException {
    try {
        XMLEvent xmlEvent = xmlEventReader.peek();
        while (xmlEvent != null && !xmlEvent.isStartElement()) {
            xmlEventReader.nextEvent();
            xmlEvent = xmlEventReader.peek();
        }
        return (StartElement) xmlEvent;
    } catch (XMLStreamException e) {
        throw logger.parserException(e);
    }
}

Example 33 with XMLEvent

use of javax.xml.stream.events.XMLEvent in project keycloak by keycloak.

the class AbstractParser method filterWhitespaces.

/**
 * Creates a derived {@link XMLEventReader} that ignores all events except for: {@link StartElement},
 * {@link EndElement}, and non-empty and non-whitespace-only {@link Characters}.
 *
 * @param xmlEventReader Original {@link XMLEventReader}
 * @return Derived {@link XMLEventReader}
 * @throws XMLStreamException
 */
private static XMLEventReader filterWhitespaces(XMLEventReader xmlEventReader) throws ParsingException {
    XMLInputFactory xmlInputFactory = XML_INPUT_FACTORY.get();
    try {
        xmlEventReader = xmlInputFactory.createFilteredReader(xmlEventReader, new EventFilter() {

            @Override
            public boolean accept(XMLEvent xmlEvent) {
                // We are going to disregard characters that are new line and whitespace
                if (xmlEvent.isCharacters()) {
                    Characters chars = xmlEvent.asCharacters();
                    String data = chars.getData();
                    return data != null && !WHITESPACE_ONLY.matcher(data).matches();
                } else {
                    return xmlEvent.isStartElement() || xmlEvent.isEndElement();
                }
            }
        });
    } catch (XMLStreamException ex) {
        throw logger.parserException(ex);
    }
    // Handle IBM JDK bug with Stax parsing when EventReader presented
    if (Environment.IS_IBM_JAVA) {
        final XMLEventReader origReader = xmlEventReader;
        xmlEventReader = new EventReaderDelegate(origReader) {

            @Override
            public boolean hasNext() {
                boolean hasNext = super.hasNext();
                try {
                    return hasNext && (origReader.peek() != null);
                } catch (XMLStreamException xse) {
                    throw new IllegalStateException(xse);
                }
            }
        };
    }
    return xmlEventReader;
}

Example 34 with XMLEvent

use of javax.xml.stream.events.XMLEvent in project EnderIO by SleepyTrousers.

the class RecipeFactory method readStax.

protected static <T extends RecipeRoot> T readStax(T target, String rootElement, InputStream in) throws XMLStreamException, InvalidRecipeConfigException {
    XMLInputFactory inputFactory = XMLInputFactory.newInstance();
    XMLEventReader eventReader = inputFactory.createXMLEventReader(in);
    StaxFactory factory = new StaxFactory(eventReader);
    while (eventReader.hasNext()) {
        XMLEvent event = eventReader.nextEvent();
        if (event.isStartElement()) {
            StartElement startElement = event.asStartElement();
            if (rootElement.equals(startElement.getName().getLocalPart())) {
                return factory.read(target, startElement);
            } else {
                throw new InvalidRecipeConfigException("Unexpected tag '" + startElement.getName() + "'");
            }
        }
    }
    throw new InvalidRecipeConfigException("Missing recipes tag");
}

Example 35 with XMLEvent

use of javax.xml.stream.events.XMLEvent in project hibernate-orm by hibernate.

the class BufferedXMLEventReader method peek.

@Override
public XMLEvent peek() throws XMLStreamException {
    if (this.bufferReader != null) {
        final XMLEvent event = this.bufferReader.next();
        // move the iterator back
        this.bufferReader.previous();
        return event;
    }
    return super.peek();
}