public Map<String, ScoredElement<UrlItem>> getPossiblePageUrls(Node[] allLink, String type)
throws MalformedURLException {
Map<String, ScoredElement<UrlItem>> possibleLinks =
new HashMap<String, ScoredElement<UrlItem>>();
for (Node link : allLink) {
String href = link.getAttribute("href");
if (StringUtil.isEmpty(href)) {
continue;
}
href = href.replaceAll("#.*$", "");
href = href.replaceAll("/$", "");
href = Util.getAbsouluteUrl(href, currentUrl);
if (currentUrl.getUrl().equals(href)) {
continue;
}
String base = "://" + currentUrl.getUri().getHost();
if (href.indexOf(base) == -1) {
continue;
}
int score = getPageUrlScore(href, link, type);
UrlItem url = new UrlItem(href);
ScoredElement<UrlItem> element = new ScoredElement<UrlItem>(score, url);
possibleLinks.put(url.getKey(), element);
}
return possibleLinks;
}
@Override
public List<String> extractValueFromNode(Object node, String expression) {
Jerry doc = Jerry.jerry(node.toString());
List<String> list = new ArrayList();
String replacement = null;
if (expression.equals("*")) {
list.add(node.toString());
return list;
}
/*if (expression.equals("#")) {
list.add(Integer.toString(enumerator++));
return list;
}*/
Node doc2 = doc.get(0);
NodeSelector nodeSelector = new NodeSelector(doc2);
List<Node> selectedNodes; // = nodeSelector.select(expression);
if (expression.contains("href")) selectedNodes = nodeSelector.select("a");
else selectedNodes = nodeSelector.select(expression);
for (Node snode : selectedNodes) {
if (expression.contains("href")) {
list.add(
StringEscapeUtils.unescapeHtml(
snode
.getAttribute("href")
.toString()
.replaceAll(expression, replacement)
.trim()
.replaceAll("[\\t\\n\\r\\s]{2,}", " ")));
} else {
String value =
StringEscapeUtils.unescapeHtml(
snode.getTextContent().replaceAll("[\\t\\n\\r\\s]{2,}", " ").trim());
if (value != null & !value.equals("")) list.add(StringEscapeUtils.unescapeHtml(value));
}
}
/*for (Node snode : selectedNodes) {
if (snode.getInnerHtml().toString() != null && !snode.getInnerHtml().toString().trim().replaceAll("[\\t\\n\\r\\s]{2,}", " ").equals("")) {
list.add(snode.getInnerHtml().toString().trim().replaceAll("[\\t\\n\\r\\s]{2,}", " "));
}
}*/
return list;
}
private int getNextOrProvPageScore(String href, Node link, String type) {
int score = 0;
String[] types = new String[] {"next", "prov"};
for (String pageType : types) {
if (ReadAbilityUtil.match(pageTypePattern.get(pageType + "Link"), href)) {
if (pageType.equals(type)) score += 25;
else score -= 25;
// System.out.println(link.getTextContent()+"[1] "+score);
}
if (link.getTextContent() == null) {
score -= 50;
}
if (ReadAbilityUtil.match(pageTypePattern.get(pageType + "Text"), link.getTextContent())) {
if (pageType.equals(type)) score += 50;
else score -= 50;
// System.out.println(link.getTextContent()+"[2] "+score);
}
Node parent = link.getParentNode();
if (parent != null && parent.getChildElementsCount() == 1) {
if (ReadAbilityUtil.match(
pageTypePattern.get(pageType + "Text"), parent.getTextContent())) {
if (pageType.equals(type)) score += 50;
else score -= 50;
}
}
}
// System.out.println(link.getTextContent()+" "+score);
return score;
}