private String getNSAbbreviation(String namespace) throws IOException {
if ("http://www.w3.org/XML/1998/namespace".equals(namespace)) return "xml:";
if (namespace == null || "".equals(namespace)) return "";
XMLNamespace ns = findByNamespace(namespace);
if (ns == null) throw new IOException("Namespace " + namespace + " is not defined");
else if (ns.getAbbreviation() == null) return "";
else return ns.getAbbreviation() + ":";
}
/* (non-Javadoc)
* @see org.eclipse.ohf.utilities.xml.IXMLWriter#namespace(java.lang.String, java.lang.String)
*/
@Override
public void namespace(String namespace, String abbreviation) throws IOException {
XMLNamespace ns = findByAbbreviation(abbreviation);
if (ns == null || !ns.getNamespace().equals(namespace))
defineNamespace(namespace, abbreviation);
}
/* (non-Javadoc)
* @see org.eclipse.ohf.utilities.xml.IXMLWriter#getDefaultNamespace()
*/
@Override
public String getDefaultNamespace() {
XMLNamespace ns = findDefaultNamespace();
if (ns == null) return null;
else return ns.getNamespace();
}