Example usage for javax.xml.stream.events XMLEvent isCharacters

Introduction

In this page you can find the example usage for javax.xml.stream.events XMLEvent isCharacters.

Prototype

public boolean isCharacters();

Source Link

Document

A utility function to check if this event is Characters.

Usage

From source file:com.hazelcast.simulator.probes.probes.ProbesResultXmlReader.java

private static Result parseHdrLatencyProbeResult(XMLEventReader reader) throws XMLStreamException {
    String encodedData = null;/*from   ww w.j a va  2s.c  om*/
    while (reader.hasNext()) {
        XMLEvent xmlEvent = reader.nextEvent();
        if (xmlEvent.isCharacters()) {
            encodedData = xmlEvent.asCharacters().getData();
        } else if (xmlEvent.isEndElement()) {
            EndElement endElement = xmlEvent.asEndElement();
            if (!HDR_LATENCY_DATA.matches(endElement.getName().getLocalPart()) || encodedData == null) {
                throw new XMLStreamException("Unexpected end element " + endElement.getName());
            }
            try {
                byte[] bytes = Base64.decodeBase64(encodedData);
                Histogram histogram = Histogram.decodeFromCompressedByteBuffer(ByteBuffer.wrap(bytes), 0);
                return new HdrLatencyDistributionResult(histogram);
            } catch (DataFormatException e) {
                throw new RuntimeException(e);
            }
        }
    }
    throw new XMLStreamException("Unexpected end of stream");
}

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From source file:Main.java

private static String printEvents(XMLEvent start, XMLEventReader xml, int indent) throws XMLStreamException {
    String ret = "\n";
    for (int i = 0; i < indent; i++) {
        ret += " ";
    }//  w  w  w  .  ja v  a 2  s  .  c o  m
    ret += start + "\n";

    XMLEvent next = null;
    // Keep processing events...
    while (xml.hasNext()) {
        next = xml.nextEvent();
        // Delegate start tags to a new indentation level
        if (next.isStartElement()) {
            printEvents(next, xml, indent + 4);
        } else if (next.isEndElement()) {
            // We've found our end element. Add it and be done.
            for (int i = 0; i < indent; i++) {
                ret += " ";
            }
            ret += next + "\n";
            return ret;
        } else if (next.isCharacters() && next.asCharacters().isWhiteSpace()) {
            // Skip whitespace
            continue;
        } else {
            // Print the contents of this tag
            for (int i = 0; i < indent + 4; i++) {
                ret += " ";
            }
            ret += next + "\n";
        }
    }
    // Oh wow, we ran out of XML. Uh, return then?
    return ret;
}

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From source file:de.dfki.km.leech.parser.wikipedia.WikipediaDumpParser.java

/**
 * Reads all next character events from an xmlEventReader and concatenate their data into one String
 * /* ww w .j  av  a  2  s.  c o m*/
 * @param xmlEventReader the xmlEventReader to get the events
 * 
 * @return the data of the character events, concatenated into one String
 * 
 * @throws XMLStreamException
 */
static protected String readNextCharEventsText(XMLEventReader xmlEventReader) throws XMLStreamException {
    StringBuilder strbText = new StringBuilder("");

    while (xmlEventReader.hasNext()) {
        XMLEvent nextEvent = xmlEventReader.peek();
        if (!nextEvent.isCharacters())
            break;

        nextEvent = xmlEventReader.nextEvent();
        strbText.append(nextEvent.asCharacters().getData());
    }

    return strbText.toString();
}

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From source file:com.msopentech.odatajclient.testservice.utils.XMLUtilities.java

public static InputStream getAtomPropertyValue(final InputStream is, final String[] path) throws Exception {
    final XmlElement props = getAtomElement(is, PROPERTIES, 2, 3);
    final XMLEventReader propsReader = props.getContentReader();

    // search for property start element
    getPropertyStartTag(propsReader, ArrayUtils.subarray(path, 0, path.length - 1));

    final InputStream res;

    XMLEvent event = propsReader.nextEvent();

    // expected text node
    if (event.isCharacters()) {
        res = new ByteArrayInputStream(event.asCharacters().getData().getBytes());
    } else if (event.isEndElement()) {
        throw new NotFoundException();
    } else {//ww  w.  j  a  v a  2 s  . c  o m
        throw new Exception("The method or operation is not implemented.");
    }

    return res;
}

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From source file:org.eclipse.swordfish.core.configuration.xml.XmlToPropertiesTransformerImpl.java

public void loadConfiguration(URL path) {
    Assert.notNull(path);//  ww  w  .  j  ava 2 s.  c  om
    InputStream inputStream = null;
    try {
        inputStream = path.openStream();
        XMLInputFactory inputFactory = XMLInputFactory.newInstance();
        LinkedList<String> currentElements = new LinkedList<String>();
        XMLEventReader eventReader = inputFactory.createXMLEventReader(inputStream);
        Map<String, List<String>> props = new HashMap<String, List<String>>();
        // Read the XML document
        while (eventReader.hasNext()) {
            XMLEvent event = eventReader.nextEvent();
            if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
                putElement(props, getQualifiedName(currentElements), event.asCharacters().getData());

            } else if (event.isStartElement()) {
                currentElements.add(event.asStartElement().getName().getLocalPart());
                for (Iterator attrIt = event.asStartElement().getAttributes(); attrIt.hasNext();) {
                    Attribute attribute = (Attribute) attrIt.next();
                    putElement(props, getQualifiedName(currentElements) + "[@" + attribute.getName() + "]",
                            attribute.getValue());

                }
            } else if (event.isAttribute()) {
            } else if (event.isEndElement()) {
                String lastElem = event.asEndElement().getName().getLocalPart();
                if (!currentElements.getLast().equals(lastElem)) {
                    throw new UnsupportedOperationException(lastElem + "," + currentElements.getLast());
                }
                currentElements.removeLast();
            }
        }
        properties = flattenProperties(props);
    } catch (Exception ex) {
        throw new SwordfishException(ex);
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException ex) {
            }
        }
    }
}

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From source file:Main.java

public static String getXMLContent(XMLEventReader reader, StartElement element, boolean decodeCharacters)
        throws XMLStreamException {
    String rootElementName = getLocalName(element);

    StringWriter buffer = new StringWriter(1024);

    StartElement pendingElement = null;
    String pendingElementName = null;

    while (reader.hasNext()) {
        XMLEvent event = reader.nextEvent();

        if (pendingElement != null) {
            boolean skip = false;

            if (event.isEndElement() && pendingElementName.equals(getLocalName(event.asEndElement()))) {
                writeAsEncodedUnicode(pendingElement, buffer, true); // empty tag
                skip = true; // skip this end tag
            } else {
                writeAsEncodedUnicode(pendingElement, buffer, false);
            }//from ww w .j av a2s  .c o  m

            pendingElement = null;
            pendingElementName = null;

            if (skip)
                continue;
        }

        if (event.isEndElement()) {
            EndElement endElement = event.asEndElement();
            String name = getLocalName(endElement);

            if (rootElementName.equals(name))
                return buffer.toString();

            writeAsEncodedUnicode(endElement, buffer);
        } else if (event.isStartElement()) {
            pendingElement = event.asStartElement();
            pendingElementName = getLocalName(pendingElement);
        } else if (event.isCharacters() && decodeCharacters) {
            buffer.append(event.asCharacters().getData());
        } else {
            event.writeAsEncodedUnicode(buffer);
        }
    }

    throw new XMLStreamException(format("Missing closing tag for '" + rootElementName + "' element", element));
}

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From source file:com.streamsets.pipeline.lib.xml.StreamingXmlParser.java

@SuppressWarnings("unchecked")
Field parse(XMLEventReader reader, StartElement startE) throws XMLStreamException, ObjectLengthException {
    Map<String, Field> map = this.useFieldAttributesInsteadOfFields ? new LinkedHashMap<>() : toField(startE);
    Map<String, Field> startEMap = map;
    Map<String, Object> contents = new LinkedHashMap<>();
    boolean maybeText = true;
    while (hasNext(reader) && !peek(reader).isEndElement()) {
        XMLEvent next = read(reader);
        if (next.isCharacters()) {
            // If this set of characters is all whitespace, ignore.
            if (next.asCharacters().isWhiteSpace()) {
                continue;
            } else if (peek(reader).isEndElement() && maybeText) {
                contents.put(VALUE_KEY, Field.create(((Characters) next).getData()));
            } else if (peek(reader).isStartElement()) {
                StartElement subStartE = (StartElement) read(reader);
                Field subField = parse(reader, subStartE);
                addContent(contents, getName(subStartE), subField);
                if (hasNext(reader) && peek(reader).isCharacters()) {
                    read(reader);/*from   ww w . j  a v  a2 s .  co m*/
                }
            } else if (maybeText) {
                throw new XMLStreamException(Utils
                        .format("Unexpected XMLEvent '{}', it should be START_ELEMENT or END_ELEMENT", next),
                        next.getLocation());
            }
        } else if (next.isStartElement()) {
            String name = getName((StartElement) next);
            Field field = parse(reader, (StartElement) next);
            addContent(contents, name, field);
        } else {
            throw new XMLStreamException(
                    Utils.format("Unexpected XMLEvent '{}', it should be START_ELEMENT or CHARACTERS", next),
                    next.getLocation());
        }
        maybeText = false;
    }
    if (hasNext(reader)) {
        EndElement endE = (EndElement) read(reader);
        if (!endE.getName().equals(startE.getName())) {
            throw new XMLStreamException(Utils.format("Unexpected EndElement '{}', it should be '{}'",
                    endE.getName().getLocalPart(), startE.getName().getLocalPart()), endE.getLocation());
        }
        for (Map.Entry<String, Object> entry : contents.entrySet()) {
            if (entry.getValue() instanceof Field) {
                startEMap.put(entry.getKey(), (Field) entry.getValue());
            } else {
                startEMap.put(entry.getKey(), Field.create((List<Field>) entry.getValue()));
            }
        }
    }
    final Field field = Field.create(startEMap);

    if (this.useFieldAttributesInsteadOfFields) {
        Iterator attrs = startE.getAttributes();
        while (attrs.hasNext()) {
            Attribute attr = (Attribute) attrs.next();
            field.setAttribute(getName(XMLATTR_ATTRIBUTE_PREFIX, attr), attr.getValue());
        }
        Iterator nss = startE.getNamespaces();
        while (nss.hasNext()) {
            Namespace ns = (Namespace) nss.next();
            field.setAttribute(getName(null, ns), ns.getNamespaceURI());
        }
    }

    lastParsedFieldXpathPrefix = getXpathPrefix();
    return field;
}

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From source file:edu.jhu.hlt.concrete.ingesters.bolt.BoltForumPostIngester.java

private int handleQuote(final XMLEventReader rdr) throws XMLStreamException {
    // For quotes, there will be character contents - skip for now...
    XMLEvent quoteContent = rdr.nextEvent();
    if (!quoteContent.isCharacters())
        throw new RuntimeException("Characters did not follow quote.");
    // Skip end of quote.
    XMLEvent next = rdr.nextEvent();
    // Exit loop only when next end quote is hit.
    boolean hitEndQuoteElement = false;
    while (!next.isEndElement() && !hitEndQuoteElement) {
        // Move to next element.
        next = rdr.nextEvent();//from   ww w. j ava2s  .c  om
        // If next element is an end element,
        // see if it's an end quote.
        // If so, exit the loop.
        if (next.isEndElement())
            hitEndQuoteElement = next.asEndElement().getName().getLocalPart().equals("quote");
    }

    return next.getLocation().getCharacterOffset();
}

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From source file:edu.jhu.hlt.concrete.ingesters.bolt.BoltForumPostIngester.java

private int handleLink(final XMLEventReader rdr) throws XMLStreamException {
    // Links have a start element, characters, and end element.
    // Alternatively, they have a start and end element.
    XMLEvent linkContent = rdr.nextEvent();
    if (linkContent.isEndElement())
        return linkContent.getLocation().getCharacterOffset();
    else if (linkContent.isCharacters())
        // Skip end of link.
        return rdr.nextEvent().getLocation().getCharacterOffset();
    else/*from w  w w. j  a  va2s.c om*/
        throw new RuntimeException("Characters did not follow link.");
}

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From source file:ca.uhn.fhir.jpa.dao.BaseHapiFhirDao.java

private static String parseNarrativeTextIntoWords(IBaseResource theResource) {

    StringBuilder b = new StringBuilder();
    if (theResource instanceof IResource) {
        IResource resource = (IResource) theResource;
        List<XMLEvent> xmlEvents = resource.getText().getDiv().getValue();
        if (xmlEvents != null) {
            for (XMLEvent next : xmlEvents) {
                if (next.isCharacters()) {
                    Characters characters = next.asCharacters();
                    b.append(characters.getData()).append(" ");
                }//from   w w  w .java  2s.  c  o  m
            }
        }
    } else if (theResource instanceof IDomainResource) {
        IDomainResource resource = (IDomainResource) theResource;
        try {
            String divAsString = resource.getText().getDivAsString();
            XhtmlDt xhtml = new XhtmlDt(divAsString);
            List<XMLEvent> xmlEvents = xhtml.getValue();
            if (xmlEvents != null) {
                for (XMLEvent next : xmlEvents) {
                    if (next.isCharacters()) {
                        Characters characters = next.asCharacters();
                        b.append(characters.getData()).append(" ");
                    }
                }
            }
        } catch (Exception e) {
            throw new DataFormatException("Unable to convert DIV to string", e);
        }

    }
    return b.toString();
}

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