if (addrMap == null) addrMap = new IPAddressMap<Boolean>(); patternMap.put(path,addrMap);
if (addrMap == null) addrMap = new IPAddressMap<Boolean>(); patternMap.put(path,addrMap);
if (addrMap == null) addrMap = new IPAddressMap<Boolean>(); patternMap.put(path,addrMap);