public void parseDataFormatXMLfile(URL url) throws MaltChainedException {
if (url == null) {
throw new DataFormatException("The data format specifcation file cannot be found. ");
}
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Element root = db.parse(url.openStream()).getDocumentElement();
if (root.getNodeName().equals("dataformat")) {
dataFormatName = root.getAttribute("name");
if (root.getAttribute("datastructure").length() > 0) {
dataStructure = DataStructure.valueOf(root.getAttribute("datastructure").toUpperCase());
} else {
dataStructure = DataStructure.DEPENDENCY;
}
} else {
throw new DataFormatException(
"Data format specification file must contain one 'dataformat' element. ");
}
NodeList cols = root.getElementsByTagName("column");
Element col;
for (int i = 0, n = cols.getLength(); i < n; i++) {
col = (Element) cols.item(i);
DataFormatEntry entry =
new DataFormatEntry(
col.getAttribute("name"),
col.getAttribute("category"),
col.getAttribute("type"),
col.getAttribute("default"));
entries.put(entry.getDataFormatEntryName(), entry);
}
NodeList deps = root.getElementsByTagName("dependencies");
if (deps.getLength() > 0) {
NodeList dep = ((Element) deps.item(0)).getElementsByTagName("dependency");
for (int i = 0, n = dep.getLength(); i < n; i++) {
Element e = (Element) dep.item(i);
dependencies.add(
new Dependency(
e.getAttribute("name"),
e.getAttribute("url"),
e.getAttribute("map"),
e.getAttribute("urlmap")));
}
}
} catch (java.io.IOException e) {
throw new DataFormatException("Cannot find the file " + url.toString() + ". ", e);
} catch (ParserConfigurationException e) {
throw new DataFormatException("Problem parsing the file " + url.toString() + ". ", e);
} catch (SAXException e) {
throw new DataFormatException("Problem parsing the file " + url.toString() + ". ", e);
}
}
public void addEntry(
String dataFormatEntryName, String category, String type, String defaultOutput) {
DataFormatEntry entry = new DataFormatEntry(dataFormatEntryName, category, type, defaultOutput);
entries.put(entry.getDataFormatEntryName(), entry);
}
