/**
* check whether the href/id element defined by keys has been exported.
*
* @param href href
* @param id id
* @param key keyname
* @param tempDir absolute path to temporary director
* @return result list
*/
public List<Boolean> checkExport(
String href, final String id, final String key, final File tempDir) {
// parsed export .xml to get exported elements
final File exportFile = new File(tempDir, FILE_NAME_EXPORT_XML);
boolean idExported = false;
boolean keyrefExported = false;
try {
// load export.xml only once
if (root == null) {
final DocumentBuilder builder = XMLUtils.getDocumentBuilder();
builder.setEntityResolver(CatalogUtils.getCatalogResolver());
root = builder.parse(new InputSource(new FileInputStream(exportFile)));
}
// get file node which contains the export node
final Element fileNode = searchForKey(root.getDocumentElement(), href, "file");
if (fileNode != null) {
// iterate the child nodes
final NodeList pList = fileNode.getChildNodes();
for (int j = 0; j < pList.getLength(); j++) {
final Node node = pList.item(j);
if (Node.ELEMENT_NODE == node.getNodeType()) {
final Element child = (Element) node;
// compare keys
if (child.getNodeName().equals("keyref")
&& child.getAttribute(ATTRIBUTE_NAME_NAME).equals(key)) {
keyrefExported = true;
// compare topic id
} else if (child.getNodeName().equals("topicid")
&& child.getAttribute(ATTRIBUTE_NAME_NAME).equals(id)) {
idExported = true;
// compare element id
} else if (child.getNodeName().equals("id")
&& child.getAttribute(ATTRIBUTE_NAME_NAME).equals(id)) {
idExported = true;
}
}
if (idExported && keyrefExported) {
break;
}
}
}
} catch (final Exception e) {
e.printStackTrace();
}
final List<Boolean> list = new ArrayList<>();
list.add(idExported);
list.add(keyrefExported);
return list;
}
/**
* Find whether an id is refer to a topic in a dita file.
*
* @param absolutePathToFile the absolute path of dita file
* @param id topic id
* @return true if id find and false otherwise
*/
public boolean findTopicId(final File absolutePathToFile, final String id) {
if (!absolutePathToFile.exists()) {
return false;
}
try {
// load the file
final DocumentBuilder builder = XMLUtils.getDocumentBuilder();
builder.setEntityResolver(CatalogUtils.getCatalogResolver());
final Document root = builder.parse(new InputSource(new FileInputStream(absolutePathToFile)));
// get root element
final Element doc = root.getDocumentElement();
// do BFS
final Queue<Element> queue = new LinkedList<>();
queue.offer(doc);
while (!queue.isEmpty()) {
final Element pe = queue.poll();
final NodeList pchildrenList = pe.getChildNodes();
for (int i = 0; i < pchildrenList.getLength(); i++) {
final Node node = pchildrenList.item(i);
if (node.getNodeType() == Node.ELEMENT_NODE) {
queue.offer((Element) node);
}
}
final String classValue = pe.getAttribute(ATTRIBUTE_NAME_CLASS);
if (classValue != null && TOPIC_TOPIC.matches(classValue)) {
// topic id found
if (pe.getAttribute(ATTRIBUTE_NAME_ID).equals(id)) {
return true;
}
}
}
return false;
} catch (final Exception e) {
logger.error("Failed to read document: " + e.getMessage(), e);
}
return false;
}