void removeNamespace(Namespace namespace) {
Namespace current = getNodeNamespace();
// Do not remove in-use namespace
if (namespace.is(current)) return;
NamedNodeMap attrs = this.dom.getAttributes();
for (int i = 0; i < attrs.getLength(); i++) {
XmlNode attr = XmlNode.createImpl(attrs.item(i));
if (namespace.is(attr.getNodeNamespace())) return;
}
// TODO I must confess I am not sure I understand the spec fully. See ECMA357 13.4.4.31
String existingPrefix = getExistingPrefixFor(namespace);
if (existingPrefix != null) {
if (namespace.isUnspecifiedPrefix()) {
// we should remove any namespace with this URI from scope; we do this by declaring a
// namespace with the same
// prefix as the existing prefix and setting its URI to the default namespace
declareNamespace(existingPrefix, getDefaultNamespace().getUri());
} else {
if (existingPrefix.equals(namespace.getPrefix())) {
declareNamespace(existingPrefix, getDefaultNamespace().getUri());
}
}
} else {
// the argument namespace is not declared in this scope, so do nothing.
}
}