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

Example 21 with EndElement

use of javax.xml.stream.events.EndElement in project midpoint by Evolveum.

the class MidpointFunctionsImpl method parseXmlToMap.

@Override
public Map<String, String> parseXmlToMap(String xml) {
    Map<String, String> resultingMap = new HashMap<>();
    if (xml != null && !xml.isEmpty()) {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        String value = "";
        String startName = "";
        InputStream stream = new ByteArrayInputStream(xml.getBytes(StandardCharsets.UTF_8));
        boolean isRootElement = true;
        try {
            XMLEventReader eventReader = factory.createXMLEventReader(stream);
            while (eventReader.hasNext()) {
                XMLEvent event = eventReader.nextEvent();
                int code = event.getEventType();
                if (code == XMLStreamConstants.START_ELEMENT) {
                    StartElement startElement = event.asStartElement();
                    startName = startElement.getName().getLocalPart();
                    if (!isRootElement) {
                        resultingMap.put(startName, null);
                    } else {
                        isRootElement = false;
                    }
                } else if (code == XMLStreamConstants.CHARACTERS) {
                    Characters characters = event.asCharacters();
                    if (!characters.isWhiteSpace()) {
                        StringBuilder valueBuilder;
                        if (value != null) {
                            valueBuilder = new StringBuilder(value).append(" ").append(characters.getData());
                        } else {
                            valueBuilder = new StringBuilder(characters.getData());
                        }
                        value = valueBuilder.toString();
                    }
                } else if (code == XMLStreamConstants.END_ELEMENT) {
                    EndElement endElement = event.asEndElement();
                    String endName = endElement.getName().getLocalPart();
                    if (endName.equals(startName)) {
                        if (value != null) {
                            resultingMap.put(endName, value);
                            value = null;
                        }
                    } else {
                        LOGGER.trace("No value between xml tags, tag name : {}", endName);
                    }
                } else if (code == XMLStreamConstants.END_DOCUMENT) {
                    isRootElement = true;
                }
            }
        } catch (XMLStreamException e) {
            StringBuilder error = new StringBuilder("Xml stream exception wile parsing xml string").append(e.getLocalizedMessage());
            throw new SystemException(error.toString());
        }
    } else {
        LOGGER.trace("Input xml string null or empty.");
    }
    return resultingMap;
}

Example 22 with EndElement

use of javax.xml.stream.events.EndElement in project bazel by bazelbuild.

the class XmlResourceValues method readContentsAsString.

/**
   * Reads the xml events as a string until finding a closing tag.
   *
   * @param eventReader The current xml stream.
   * @param startTag The name of the tag to close on.
   * @param namespacesCollector A builder for collecting namespaces.
   * @return A xml escaped string representation of the xml stream
   */
@Nullable
public static String readContentsAsString(XMLEventReader eventReader, QName startTag, Namespaces.Collector namespacesCollector) throws XMLStreamException {
    StringWriter contents = new StringWriter();
    XMLEventWriter writer = XML_OUTPUT_FACTORY.createXMLEventWriter(contents);
    while (!isEndTag(eventReader.peek(), startTag)) {
        XMLEvent xmlEvent = (XMLEvent) eventReader.next();
        if (xmlEvent.isStartElement()) {
            namespacesCollector.collectFrom(xmlEvent.asStartElement());
            writer.add(xmlEvent);
        } else {
            writer.add(xmlEvent);
        }
    }
    // Verify the end element.
    EndElement endElement = eventReader.nextEvent().asEndElement();
    Preconditions.checkArgument(endElement.getName().equals(startTag));
    return contents.toString();
}

Example 23 with EndElement

use of javax.xml.stream.events.EndElement in project uPortal by Jasig.

the class TransientUserLayoutXMLEventReader method getAdditionalEvents.

/**
 * Examines the current token and when appropriate creates and returns dynamically created
 * content. If dynamic content is not created, return null.
 *
 * @param event The current event
 * @return Dynamic content to inject into document, else null if no additional dynamic content
 *     was created.
 */
@Override
protected Deque<XMLEvent> getAdditionalEvents(XMLEvent event) {
    if (event.isStartElement()) {
        final StartElement startElement = event.asStartElement();
        // All following logic requires an ID attribute, ignore any element without one
        final Attribute idAttribute = startElement.getAttributeByName(IUserLayoutManager.ID_ATTR_NAME);
        if (idAttribute == null) {
            return null;
        }
        // Create and return a transient (dynamically created) folder that includes a transient
        // channel
        // if we are processing the tart element of the root node
        // iff the subscribeId is present and describes a transient channel and not a regular
        // layout channel.
        final String subscribeId = this.userLayoutManager.getFocusedId();
        if (this.rootFolderId.equals(idAttribute.getValue()) && subscribeId != null && !subscribeId.equals("") && this.userLayoutManager.isTransientChannel(subscribeId)) {
            IPortletDefinition chanDef = null;
            try {
                chanDef = this.userLayoutManager.getChannelDefinition(subscribeId);
            } catch (Exception e) {
                logger.error("Could not obtain IChannelDefinition for subscribe id: {}", subscribeId, e);
            }
            if (chanDef != null) {
                final QName name = startElement.getName();
                final String namespaceURI = name.getNamespaceURI();
                final String prefix = name.getPrefix();
                final Deque<XMLEvent> transientEventBuffer = new LinkedList<XMLEvent>();
                final Collection<Attribute> transientFolderAttributes = new LinkedList<Attribute>();
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("ID", TransientUserLayoutManagerWrapper.TRANSIENT_FOLDER_ID));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("name", chanDef != null ? chanDef.getTitle() : "Temporary"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("type", "regular"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("hidden", "false"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("unremovable", "true"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("immutable", "true"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("unremovable", "true"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("dlm:addChildAllowed", "false"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("dlm:deleteAllowed", "false"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("dlm:editAllowed", "false"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("dlm:moveAllowed", "false"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("dlm:precedence", "100.0"));
                transientFolderAttributes.add(EVENT_FACTORY.createAttribute("transient", "true"));
                final StartElement transientFolder = EVENT_FACTORY.createStartElement(prefix, namespaceURI, IUserLayoutManager.FOLDER, transientFolderAttributes.iterator(), null);
                transientEventBuffer.add(transientFolder);
                // TODO Move IChannelDefinition/IPortletDefinition -> StAX events code somewhere
                // reusable
                final Collection<Attribute> channelAttrs = new LinkedList<Attribute>();
                channelAttrs.add(EVENT_FACTORY.createAttribute("ID", subscribeId));
                channelAttrs.add(EVENT_FACTORY.createAttribute("typeID", Integer.toString(chanDef.getType().getId())));
                channelAttrs.add(EVENT_FACTORY.createAttribute("hidden", "false"));
                channelAttrs.add(EVENT_FACTORY.createAttribute("unremovable", "true"));
                channelAttrs.add(EVENT_FACTORY.createAttribute("dlm:deleteAllowed", "false"));
                channelAttrs.add(EVENT_FACTORY.createAttribute("dlm:moveAllowed", "false"));
                channelAttrs.add(EVENT_FACTORY.createAttribute("name", chanDef.getName()));
                channelAttrs.add(EVENT_FACTORY.createAttribute("description", chanDef.getDescription()));
                channelAttrs.add(EVENT_FACTORY.createAttribute("title", chanDef.getTitle()));
                channelAttrs.add(EVENT_FACTORY.createAttribute("chanID", chanDef.getPortletDefinitionId().getStringId()));
                channelAttrs.add(EVENT_FACTORY.createAttribute("fname", chanDef.getFName()));
                channelAttrs.add(EVENT_FACTORY.createAttribute("timeout", Integer.toString(chanDef.getTimeout())));
                channelAttrs.add(EVENT_FACTORY.createAttribute("transient", "true"));
                final StartElement startChannel = EVENT_FACTORY.createStartElement(prefix, namespaceURI, IUserLayoutManager.CHANNEL, channelAttrs.iterator(), null);
                transientEventBuffer.offer(startChannel);
                // add channel parameter elements
                for (final IPortletDefinitionParameter parm : chanDef.getParameters()) {
                    final Collection<Attribute> parameterAttrs = new LinkedList<Attribute>();
                    parameterAttrs.add(EVENT_FACTORY.createAttribute("name", parm.getName()));
                    parameterAttrs.add(EVENT_FACTORY.createAttribute("value", parm.getValue()));
                    final StartElement startParameter = EVENT_FACTORY.createStartElement(prefix, namespaceURI, IUserLayoutManager.PARAMETER, parameterAttrs.iterator(), null);
                    transientEventBuffer.offer(startParameter);
                    final EndElement endParameter = EVENT_FACTORY.createEndElement(prefix, namespaceURI, IUserLayoutManager.PARAMETER, null);
                    transientEventBuffer.offer(endParameter);
                }
                final EndElement endChannel = EVENT_FACTORY.createEndElement(prefix, namespaceURI, IUserLayoutManager.CHANNEL, null);
                transientEventBuffer.offer(endChannel);
                final EndElement endFolder = EVENT_FACTORY.createEndElement(prefix, namespaceURI, IUserLayoutManager.FOLDER, null);
                transientEventBuffer.offer(endFolder);
                return transientEventBuffer;
            } else {
                // I don't think subscribeId could be null, but log warning if so.
                logger.warn("Unable to resolve portlet definition for subscribe ID {}", subscribeId);
            }
        }
    }
    return null;
}

Example 24 with EndElement

use of javax.xml.stream.events.EndElement in project uPortal by Jasig.

the class FilteringXMLEventReader method internalNext.

protected final XMLEvent internalNext(boolean peek) throws XMLStreamException {
    XMLEvent event = null;
    if (peekedEvent != null) {
        event = peekedEvent;
        peekedEvent = null;
        return event;
    }
    do {
        event = super.getParent().nextEvent();
        // If there are pruned elements in the queue filtering events is still needed
        if (!prunedElements.isEmpty()) {
            // If another start element add it to the queue
            if (event.isStartElement()) {
                final StartElement startElement = event.asStartElement();
                prunedElements.push(startElement.getName());
            } else // start/end elements match up
            if (event.isEndElement()) {
                final QName startElementName = prunedElements.pop();
                final EndElement endElement = event.asEndElement();
                final QName endElementName = endElement.getName();
                if (!startElementName.equals(endElementName)) {
                    throw new IllegalArgumentException("Malformed XMLEvent stream. Expected end element for " + startElementName + " but found end element for " + endElementName);
                }
            }
            event = null;
        } else {
            final XMLEvent filteredEvent = this.filterEvent(event, peek);
            // end element need to be removed as well
            if (filteredEvent == null && event.isStartElement()) {
                final StartElement startElement = event.asStartElement();
                final QName name = startElement.getName();
                prunedElements.push(name);
            }
            event = filteredEvent;
        }
    } while (event == null);
    return event;
}

Example 25 with EndElement

use of javax.xml.stream.events.EndElement in project cxf by apache.

the class StaxEventFilter method accept.

public boolean accept(XMLEvent event) {
    if (event.isStartDocument() || event.isEndDocument()) {
        return false;
    }
    if (event.isStartElement()) {
        StartElement startEl = event.asStartElement();
        QName elName = startEl.getName();
        for (QName tag : tags) {
            if (elName.equals(tag)) {
                return false;
            }
        }
    }
    if (event.isEndElement()) {
        EndElement endEl = event.asEndElement();
        QName elName = endEl.getName();
        for (QName tag : tags) {
            if (elName.equals(tag)) {
                return false;
            }
        }
    }
    return true;
}