if (m != null) {
StringBuffer sBuf = new StringBuffer(200);
Iterator eItr = m.entrySet().iterator();
while (eItr.hasNext()) {
Map.Entry e = (Map.Entry) eItr.next();
sBuf.append( e.getKey().toString() + "=" +
e.getValue().toString() + "\n" );
}
return sBuf.toString();
} else {
return null;
}