/**
* Determine the original namespace of the given qualified name with a namespace previously mapped
* with {@link #map(QName)} and return the original name.
*
* @param mapped the adapted qualified name
* @return the original qualified name
*/
public static QName unmap(QName mapped) {
if (XMLConstants.NULL_NS_URI.equals(mapped.getNamespaceURI())) {
return mapped;
}
return new QName(IDS.getObject(mapped.getNamespaceURI()), mapped.getLocalPart());
}
/**
* Map the namespace of the given qualified name to a short identifier and return the adapted
* name.
*
* @param org the original qualified name
* @return the adapted qualified name
*/
public static QName map(QName org) {
if (XMLConstants.NULL_NS_URI.equals(org.getNamespaceURI())) {
return org;
}
return new QName(IDS.getId(org.getNamespaceURI()), org.getLocalPart());
}
/**
* Encode a {@link QName} for runtime use with OrientDB.
*
* @param org the qualified name
* @return the encoded name
*/
public static String encode(QName org) {
String ns = org.getNamespaceURI();
if (!XMLConstants.NULL_NS_URI.equals(ns)) {
ns = IDS.getId(org.getNamespaceURI());
}
return ns + "_" + ONameUtil.encodeName(org.getLocalPart());
}
/**
* Decode a name based on the runtime namespace map.
*
* @param name the encoded name
* @return the decoded qualified name
* @throws DecoderException of decoding the local part of the name fails
*/
public static QName decode(String name) throws DecoderException {
int pos = name.indexOf('_'); // find first underscore
String local;
String ns = XMLConstants.NULL_NS_URI;
if (pos < 0) {
local = ONameUtil.decodeName(name);
} else {
ns = IDS.getObject(name.substring(0, pos));
local = ONameUtil.decodeName(name.substring(pos + 1));
}
return new QName(ns, local);
}
