List of usage examples for javax.xml.stream XMLStreamReader getEventType
public int getEventType();
From source file:pl.datamatica.traccar.api.GPXParser.java
public Result parse(InputStream inputStream, Device device) throws XMLStreamException, ParseException, IOException { Result result = new Result(); TimeZone tz = TimeZone.getTimeZone("UTC"); DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"); DateFormat dateFormatWithMS = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"); dateFormat.setTimeZone(tz);/*from w ww . ja v a 2 s . c o m*/ dateFormatWithMS.setTimeZone(tz); XMLStreamReader xsr = XMLInputFactory.newFactory().createXMLStreamReader(inputStream); ObjectMapper jsonMapper = new ObjectMapper(); result.positions = new LinkedList<>(); Position position = null; Stack<String> extensionsElements = new Stack<>(); boolean extensionsStarted = false; Map<String, Object> other = null; while (xsr.hasNext()) { xsr.next(); if (xsr.getEventType() == XMLStreamReader.START_ELEMENT) { if (xsr.getLocalName().equalsIgnoreCase("trkpt")) { position = new Position(); position.setLongitude(Double.parseDouble(xsr.getAttributeValue(null, "lon"))); position.setLatitude(Double.parseDouble(xsr.getAttributeValue(null, "lat"))); position.setValid(Boolean.TRUE); position.setDevice(device); } else if (xsr.getLocalName().equalsIgnoreCase("time")) { if (position != null) { String strTime = xsr.getElementText(); if (strTime.length() == 20) { position.setTime(dateFormat.parse(strTime)); } else { position.setTime(dateFormatWithMS.parse(strTime)); } } } else if (xsr.getLocalName().equalsIgnoreCase("ele") && position != null) { position.setAltitude(Double.parseDouble(xsr.getElementText())); } else if (xsr.getLocalName().equalsIgnoreCase("address") && position != null) { position.setAddress(StringEscapeUtils.unescapeXml(xsr.getElementText())); } else if (xsr.getLocalName().equalsIgnoreCase("protocol") && position != null) { position.setProtocol(xsr.getElementText()); } else if (xsr.getLocalName().equalsIgnoreCase("speed") && position != null) { position.setSpeed(Double.parseDouble(xsr.getElementText())); } else if (xsr.getLocalName().equalsIgnoreCase("power") && position != null) { position.setPower(Double.parseDouble(xsr.getElementText())); } else if (xsr.getLocalName().equalsIgnoreCase("course") && position != null) { position.setCourse(Double.parseDouble(xsr.getElementText())); } else if (xsr.getLocalName().equalsIgnoreCase("other") && position != null) { position.setOther(StringEscapeUtils.unescapeXml(xsr.getElementText())); } else if (xsr.getLocalName().equalsIgnoreCase("extensions")) { other = new LinkedHashMap<>(); extensionsStarted = true; } else if (position != null && extensionsStarted && other != null) { extensionsElements.push(xsr.getLocalName()); } } else if (xsr.getEventType() == XMLStreamReader.END_ELEMENT) { if (xsr.getLocalName().equalsIgnoreCase("trkpt")) { if (other == null) { other = new HashMap<>(); } if (position.getOther() != null) { if (position.getOther().startsWith("<")) { XMLStreamReader otherReader = XMLInputFactory.newFactory() .createXMLStreamReader(new StringReader(position.getOther())); while (otherReader.hasNext()) { if (otherReader.next() == XMLStreamReader.START_ELEMENT && !otherReader.getLocalName().equals("info")) { other.put(otherReader.getLocalName(), otherReader.getElementText()); } } } else { Map<String, Object> parsedOther = jsonMapper.readValue(position.getOther(), LinkedHashMap.class); other.putAll(parsedOther); } } if (other.containsKey("protocol") && position.getProtocol() == null) { position.setProtocol(other.get("protocol").toString()); } else if (!other.containsKey("protocol") && position.getProtocol() == null) { position.setProtocol("gpx_import"); } other.put("import_type", (result.positions.isEmpty() ? "import_start" : "import")); position.setOther(jsonMapper.writeValueAsString(other)); result.positions.add(position); if (result.latestPosition == null || result.latestPosition.getTime().compareTo(position.getTime()) < 0) { result.latestPosition = position; } position = null; other = null; } else if (xsr.getLocalName().equalsIgnoreCase("extensions")) { extensionsStarted = false; } else if (extensionsStarted) { extensionsElements.pop(); } } else if (extensionsStarted && other != null && xsr.getEventType() == XMLStreamReader.CHARACTERS && !xsr.getText().trim().isEmpty() && !extensionsElements.empty()) { String name = ""; for (int i = 0; i < extensionsElements.size(); i++) { name += (name.length() > 0 ? "-" : "") + extensionsElements.get(i); } other.put(name, xsr.getText()); } } if (result.positions.size() > 1) { Position last = ((LinkedList<Position>) result.positions).getLast(); Map<String, Object> parsedOther = jsonMapper.readValue(last.getOther(), LinkedHashMap.class); parsedOther.put("import_type", "import_end"); last.setOther(jsonMapper.writeValueAsString(parsedOther)); } return result; }
From source file:tkwatch.Utilities.java
/** * Finds the value of the named element, if any, in an XML string. Adapted * from Vohra and Vohra, <i>Pro XML Development with Java Technology</i>, p. * 47.//from ww w .j av a2 s. com * * @param desiredElementName * The name of the element to search for in the XML string. * @param xmlString * The XML string to search for an account number. * * @return Returns the element value(s) as formatted in the incoming string * (if found) as a <code>Vector<String></code>, <code>null</code> * otherwise. */ public static final Vector<String> getValueFromXml(final String desiredElementName, final String xmlString) { Vector<String> elementValue = new Vector<String>(); String elementValueText = null; XMLInputFactory inputFactory = XMLInputFactory.newInstance(); try { String elementName = ""; StringReader stringReader = new StringReader(xmlString); XMLStreamReader reader = inputFactory.createXMLStreamReader(stringReader); while (reader.hasNext()) { int eventType = reader.getEventType(); switch (eventType) { case XMLStreamConstants.START_ELEMENT: elementName = reader.getLocalName(); if (elementName.equals(desiredElementName)) { elementValueText = reader.getAttributeValue(0); System.out.println("START_ELEMENT case, element name is " + elementName + ", element value is " + elementValueText); } break; case XMLStreamConstants.ATTRIBUTE: elementName = reader.getLocalName(); if (elementName.equals(desiredElementName)) { elementValueText = reader.getElementText(); System.out.println("ATTRIBUTE case, element name is " + elementName + ", element value is " + elementValueText); elementValue.add(elementValueText); } break; case XMLStreamConstants.END_ELEMENT: elementName = reader.getLocalName(); if (elementName.equals(desiredElementName)) { System.out.println("END_ELEMENT case, element name is " + elementName + ", element value is " + elementValueText); } break; default: elementName = reader.getLocalName(); if (elementName != null) { if (elementName.equals(desiredElementName)) { System.out.println("default case, element name is " + elementName); } } break; } reader.next(); } } catch (XMLStreamException e) { TradekingException.handleException(e); } return (elementValue.isEmpty() ? null : elementValue); }
From source file:tpt.dbweb.cat.io.TaggedTextXMLReader.java
private Iterator<TaggedText> getIterator(InputStream is, String errorMessageInfo) { XMLStreamReader tmpxsr = null; try {/*w w w . ja v a2 s. co m*/ XMLInputFactory xif = XMLInputFactory.newInstance(); xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false); xif.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, false); xif.setProperty(XMLInputFactory.IS_VALIDATING, false); tmpxsr = xif.createXMLStreamReader(is); } catch (XMLStreamException | FactoryConfigurationError e) { e.printStackTrace(); return null; } final XMLStreamReader xsr = tmpxsr; return new PeekIterator<TaggedText>() { @Override protected TaggedText internalNext() { ArrayList<TextSpan> openMarks = new ArrayList<>(); StringBuilder pureTextSB = new StringBuilder(); ArrayList<TextSpan> marks = new ArrayList<>(); marks.add(new TextSpan(null, 0, 0)); TaggedText tt = null; try { loop: while (xsr.hasNext()) { xsr.next(); int event = xsr.getEventType(); switch (event) { case XMLStreamConstants.START_ELEMENT: if ("articles".equals(xsr.getLocalName())) { } else if ("article".equals(xsr.getLocalName())) { tt = new TaggedText(); for (int i = 0; i < xsr.getAttributeCount(); i++) { if ("id".equals(xsr.getAttributeLocalName(i))) { tt.id = xsr.getAttributeValue(i); } tt.info().put(xsr.getAttributeLocalName(i), xsr.getAttributeValue(i)); } } else if ("mark".equals(xsr.getLocalName())) { TextSpan tr = new TextSpan(null, pureTextSB.length(), pureTextSB.length()); for (int i = 0; i < xsr.getAttributeCount(); i++) { tr.info().put(xsr.getAttributeLocalName(i), xsr.getAttributeValue(i)); } openMarks.add(tr); } else if ("br".equals(xsr.getLocalName())) { // TODO: how to propagate tags from the input to the output? } else { log.warn("ignore tag " + xsr.getLocalName()); } break; case XMLStreamConstants.END_ELEMENT: if ("mark".equals(xsr.getLocalName())) { // search corresponding <mark ...> TextSpan tr = openMarks.remove(openMarks.size() - 1); if (tr == null) { log.warn("markend at " + xsr.getLocation().getCharacterOffset() + " has no corresponding mark tag"); break; } tr.end = pureTextSB.length(); marks.add(tr); } else if ("article".equals(xsr.getLocalName())) { tt.text = StringUtils.stripEnd(pureTextSB.toString().trim(), " \t\n"); pureTextSB = new StringBuilder(); tt.mentions = new ArrayList<>(); for (TextSpan mark : marks) { String entity = mark.info().get("entity"); if (entity == null) { entity = mark.info().get("annotation"); } if (entity != null) { EntityMention e = new EntityMention(tt.text, mark.start, mark.end, entity); String minMention = mark.info().get("min"); String mention = e.getMention(); if (minMention != null && !"".equals(minMention)) { Pattern p = Pattern.compile(Pattern.quote(minMention)); Matcher m = p.matcher(mention); if (m.find()) { TextSpan min = new TextSpan(e.text, e.start + m.start(), e.start + m.end()); e.min = min; if (m.find()) { log.warn("found " + minMention + " two times in \"" + mention + "\""); } } else { String prefix = Utility.findLongestPrefix(mention, minMention); log.warn("didn't find min mention '" + minMention + "' in text '" + mention + "', longest prefix found: '" + prefix + "' in article " + tt.id); } } mark.info().remove("min"); mark.info().remove("entity"); if (mark.info().size() > 0) { e.info().putAll(mark.info()); } tt.mentions.add(e); } } openMarks.clear(); marks.clear(); break loop; } break; case XMLStreamConstants.CHARACTERS: String toadd = xsr.getText(); if (pureTextSB.length() == 0) { toadd = StringUtils.stripStart(toadd, " \t\n"); } if (toadd.contains("thanks")) { log.info("test"); } pureTextSB.append(toadd); break; } } } catch (XMLStreamException e) { log.error("{}", errorMessageInfo); throw new RuntimeException(e); } if (tt != null && tt.mentions != null) { tt.mentions.sort(null); } return tt; } }; }