public void map(LongWritable key, Text value, Context context)
throws IOException, InterruptedException {
String strId = "";
String strBody = "";
// Parse the xml and read data (page id and article body)
// Using XOM library
Builder builder = new Builder();
try {
Document doc = builder.build(value.toString(), null);
Nodes nodeId = doc.query("//eecs485_article_id");
strId = nodeId.get(0).getChild(0).getValue();
Nodes nodeBody = doc.query("//eecs485_article_body");
strBody = nodeBody.get(0).getChild(0).getValue();
} catch (ParsingException ex) {
System.out.println("Not well-formed.");
System.out.println(ex.getMessage());
} catch (IOException ex) {
System.out.println("io exception");
}
// Tokenize document body
Pattern pattern = Pattern.compile("\\w+");
Matcher matcher = pattern.matcher(strBody);
while (matcher.find()) {
// Write the parsed token
// key = term, docid value = 1
context.write(new Text(matcher.group() + "," + strId), one);
}
}
public static String getAttributeValue(Nodes attributes) {
if (attributes.hasAny()) {
Node attribute = attributes.get(0);
if (attribute instanceof Attribute) {
return attribute.getValue();
}
}
return "";
}
public void loadLocationsAsync(String kml) {
List<LotLocation> locations = new ArrayList<LotLocation>();
try {
XMLReader parser = XMLReaderFactory.createXMLReader("org.ccil.cowan.tagsoup.Parser");
InputStream is = new ByteArrayInputStream(kml.getBytes());
// build out an XML document using TagSoup
Document doc = new Builder(parser).build(is);
// set the ns of the document as the XPathContext or we will not find the elements when we
// attempt to parse
XPathContext context = new XPathContext("ns", "http://www.w3.org/1999/xhtml");
// get the Placemark nodes within the data
Nodes nodes = doc.query(".//ns:Placemark", context);
for (int index = 0; index < nodes.size(); index++) {
LotLocation placemark = new LotLocation();
Node placemarkNode = nodes.get(index);
Node nameNode = placemarkNode.query("ns:name", context).get(0);
if (nameNode != null) placemark.setLocation(nameNode.getValue());
Node descriptionNode = placemarkNode.query("ns:description", context).get(0);
if (descriptionNode != null) placemark.setDescription(descriptionNode.getValue());
Node lnglatNode = placemarkNode.query("ns:Point/ns:coordinates", context).get(0);
if (lnglatNode != null) {
// get longitude,latitude,altitude, per KML spec
String[] points = lnglatNode.getValue().split(",");
placemark.setPoint(
new LatLng(
Double.parseDouble(points[1].trim()), Double.parseDouble(points[0].trim())));
}
locations.add(placemark);
}
// spin off a new thread and load locations
new LoadLocationsTask().execute(locations);
} catch (Exception e) {
Log.e("LoadLocationsTask", "Failure attempting to load locations", e);
}
}
public VariableLike getVariableByName(Referable referable, String variableName)
throws NavigationException {
Objects.requireNonNull(variableName, "VariableName must not be null!");
NodeHelper element = new NodeHelper(referable);
String elementName = element.getLocalName();
if ("scope".equals(elementName) || "process".equals(elementName)) {
Nodes variable =
element
.toXOM()
.query("./bpel:variables/bpel:variable[@name='" + variableName + "']", CONTEXT);
if (variable != null && !variable.isEmpty()) {
return new VariableElement(variable.get(0), processContainer);
}
if ("process".equals(elementName)) {
throw new NavigationException("Variable does not exist.");
}
}
if ("onEvent".equals(elementName)) {
if (variableName.equals(element.getAttribute("variable"))) {
return new OnEventElement(element.toXOM(), processContainer);
}
}
if ("catch".equals(elementName)) {
if (variableName.equals(element.getAttribute("faultVariable"))) {
return new CatchElement(element.toXOM(), processContainer);
}
}
if ("forEach".equals(elementName)) {
if (variableName.equals(element.getAttribute("counterName"))) {
return new ForEachVariable(element.toXOM(), processContainer);
}
}
return getVariableByName(element.getParent(), variableName);
}
