/**
* Search specific element by key and tagName.
*
* @param root root element
* @param key search keyword
* @param tagName search tag name
* @return search result, null of either input is invalid or the looking result is not found.
*/
private Element searchForKey(final Element root, final String key, final String tagName) {
if (root == null || StringUtils.isEmptyString(key)) {
return null;
}
final Queue<Element> queue = new LinkedList<>();
queue.offer(root);
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);
}
}
String value = pe.getNodeName();
if (StringUtils.isEmptyString(value) || !value.equals(tagName)) {
continue;
}
value = pe.getAttribute(ATTRIBUTE_NAME_NAME);
if (StringUtils.isEmptyString(value)) {
continue;
}
if (value.equals(key)) {
return pe;
}
}
return null;
}
/**
* Write map into xml file.
*
* @param m map
* @param outputFile output xml file
*/
public void writeMapToXML(final Map<String, Set<String>> m, final File outputFile) {
if (m == null) {
return;
}
final Properties prop = new Properties();
for (Map.Entry<String, Set<String>> entry : m.entrySet()) {
final String key = entry.getKey();
final String value = StringUtils.join(entry.getValue(), COMMA);
prop.setProperty(key, value);
}
// File outputFile = new File(tempDir, filename);
final DocumentBuilder db = XMLUtils.getDocumentBuilder();
final Document doc = db.newDocument();
final Element properties = (Element) doc.appendChild(doc.createElement("properties"));
final Set<Object> keys = prop.keySet();
for (Object key1 : keys) {
final String key = (String) key1;
final Element entry = (Element) properties.appendChild(doc.createElement("entry"));
entry.setAttribute("key", key);
entry.appendChild(doc.createTextNode(prop.getProperty(key)));
}
final TransformerFactory tf = TransformerFactory.newInstance();
Transformer t = null;
try {
t = tf.newTransformer();
t.setOutputProperty(OutputKeys.INDENT, "yes");
t.setOutputProperty(OutputKeys.METHOD, "xml");
t.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
} catch (final TransformerConfigurationException tce) {
throw new RuntimeException(tce);
}
final DOMSource doms = new DOMSource(doc);
OutputStream out = null;
try {
out = new FileOutputStream(outputFile);
final StreamResult sr = new StreamResult(out);
t.transform(doms, sr);
} catch (final Exception e) {
logger.error("Failed to process map: " + e.getMessage(), e);
} finally {
if (out != null) {
try {
out.close();
} catch (final IOException e) {
logger.error("Failed to close output stream: " + e.getMessage());
}
}
}
}
/**
* Parse the catalog file to get catalog map.
*
* @param ditaDir absolute path to directory to find catalog-dita.xml
* @return catalog map
* @deprecated use Apache Commons Catalog Resolver instead
*/
@Deprecated
public static synchronized HashMap<String, String> getCatalog(final File ditaDir) {
if (map != null) {
return map;
}
final File catalogFilePath =
(ditaDir == null) ? new File(FILE_NAME_CATALOG) : new File(ditaDir, FILE_NAME_CATALOG);
map = new HashMap<String, String>();
final CatalogParser parser = new CatalogParser(map, ditaDir.getAbsolutePath());
try {
final XMLReader reader = StringUtils.getXMLReader();
reader.setContentHandler(parser);
reader.parse(catalogFilePath.toURI().toASCIIString());
} catch (final Exception e) {
logger.logException(e);
}
return map;
}