/**
* Splits the given NTCIR query file into individual queries, converts each query into an XQuery
* using XQueryGenerator, and returns the result as a list of NtcirPatterns for each individual
* query.
*
* @return List of NtcirPatterns for each query
* @throws XPathExpressionException Thrown if xpaths fail to compile or fail to evaluate +
*/
public final List<NtcirPattern> extractPatterns() throws XPathExpressionException {
final XPath xpath = XMLHelper.namespaceAwareXpath("t", NS_NII);
final XPathExpression xNum = xpath.compile("./t:num");
final XPathExpression xFormula = xpath.compile("./t:query/t:formula");
final NonWhitespaceNodeList topicList =
new NonWhitespaceNodeList(topics.getElementsByTagNameNS(NS_NII, "topic"));
for (final Node node : topicList) {
final String num = xNum.evaluate(node);
final NonWhitespaceNodeList formulae =
new NonWhitespaceNodeList((NodeList) xFormula.evaluate(node, XPathConstants.NODESET));
for (final Node formula : formulae) {
final String id = formula.getAttributes().getNamedItem("id").getTextContent();
final Node mathMLNode = getFirstChild(formula);
queryGenerator.setMainElement(getFirstChild(mathMLNode));
patterns.add(new NtcirPattern(num, id, queryGenerator.toString(), mathMLNode));
}
}
return patterns;
}
public final NtcirTopicReader setAddQvarMap(boolean addQvarMap) {
queryGenerator.setAddQvarMap(addQvarMap);
return this;
}
public final NtcirTopicReader setRestrictLength(boolean restrictLength) {
queryGenerator.setRestrictLength(restrictLength);
return this;
}
public final NtcirTopicReader setFindRootApply(boolean findRootApply) {
queryGenerator.setFindRootApply(findRootApply);
return this;
}
public final NtcirTopicReader setPathToRoot(String pathToRoot) {
queryGenerator.setPathToRoot(pathToRoot);
return this;
}
public final NtcirTopicReader setNamespace(String namespace) {
queryGenerator.setNamespace(namespace);
return this;
}
public final NtcirTopicReader setReturnFormat(String returnFormat) {
queryGenerator.setReturnFormat(returnFormat);
return this;
}