How to use

generatePrefix

method

in

org.wso2.carbon.registry.properties.stub.beans.xsd.RetentionBean

/**
 * Utility method to write an element start tag.
 */
private void writeStartElement(java.lang.String prefix, java.lang.String namespace, java.lang.String localPart,
                javax.xml.stream.XMLStreamWriter xmlWriter) throws javax.xml.stream.XMLStreamException {
  java.lang.String writerPrefix = xmlWriter.getPrefix(namespace);
  if (writerPrefix != null) {
    xmlWriter.writeStartElement(namespace, localPart);
  } else {
    if (namespace.length() == 0) {
      prefix = "";
    } else if (prefix == null) {
      prefix = generatePrefix(namespace);
    }
    xmlWriter.writeStartElement(prefix, localPart, namespace);
    xmlWriter.writeNamespace(prefix, namespace);
    xmlWriter.setPrefix(prefix, namespace);
  }
}

/**
 * Register a namespace prefix
 */
private java.lang.String registerPrefix(javax.xml.stream.XMLStreamWriter xmlWriter, java.lang.String namespace) throws javax.xml.stream.XMLStreamException {
  java.lang.String prefix = xmlWriter.getPrefix(namespace);
  if (prefix == null) {
    prefix = generatePrefix(namespace);
    while (xmlWriter.getNamespaceContext().getNamespaceURI(prefix) != null) {
      prefix = org.apache.axis2.databinding.utils.BeanUtil.getUniquePrefix();
    }
    xmlWriter.writeNamespace(prefix, namespace);
    xmlWriter.setPrefix(prefix, namespace);
  }
  return prefix;
}

/**
 *  method to handle Qnames
 */
private void writeQName(javax.xml.namespace.QName qname,
            javax.xml.stream.XMLStreamWriter xmlWriter) throws javax.xml.stream.XMLStreamException {
  java.lang.String namespaceURI = qname.getNamespaceURI();
  if (namespaceURI != null) {
    java.lang.String prefix = xmlWriter.getPrefix(namespaceURI);
    if (prefix == null) {
      prefix = generatePrefix(namespaceURI);
      xmlWriter.writeNamespace(prefix, namespaceURI);
      xmlWriter.setPrefix(prefix,namespaceURI);
    }
    if (prefix.trim().length() > 0){
      xmlWriter.writeCharacters(prefix + ":" + org.apache.axis2.databinding.utils.ConverterUtil.convertToString(qname));
    } else {
      // i.e this is the default namespace
      xmlWriter.writeCharacters(org.apache.axis2.databinding.utils.ConverterUtil.convertToString(qname));
    }
  } else {
    xmlWriter.writeCharacters(org.apache.axis2.databinding.utils.ConverterUtil.convertToString(qname));
  }
}

prefix = xmlWriter.getPrefix(namespaceURI);
if ((prefix == null) || (prefix.length() == 0)) {
  prefix = generatePrefix(namespaceURI);
  xmlWriter.writeNamespace(prefix, namespaceURI);
  xmlWriter.setPrefix(prefix,namespaceURI);