Github user jburwell commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1371#discussion_r62787151
--- Diff: utils/src/main/java/com/cloud/utils/net/cidr/CIDR.java ---
@@ -0,0 +1,98 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+package com.cloud.utils.net.cidr;
+
+import java.net.InetAddress;
+import com.cloud.utils.Nullable;
+
+public interface CIDR extends Comparable<CIDR>, Nullable {
+
+ final static CIDR NULL = new NullCIDR();
+ final static int MAX_CIDR = 32;
+
+ public InetAddress getBaseAddress();
+
+ public int getMask();
+
+ public boolean contains(InetAddress inetAddress);
+
+ public boolean contains(CIDR cidr);
+
+ public boolean overlaps(CIDR cidr);
+
+ public String toString();
+
+ public boolean equals(Object o);
+
+ public int hashCode();
+
+ class NullCIDR implements CIDR {
+
+ private NullCIDR() {
+ super();
+ }
+
+ public boolean isNull() {
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return "Null CIDR";
+ }
+
+ @Override
+ public InetAddress getBaseAddress() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public int getMask() {
+ // TODO Auto-generated method stub
+ return 0;
+ }
+
+ @Override
+ public boolean contains(CIDR cidr) {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ @Override
+ public boolean overlaps(CIDR cidr) {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ @Override
+ public boolean contains(InetAddress cidr) {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ @Override
+ public int compareTo(CIDR o) {
+ // TODO Auto-generated method stub
--- End diff --
Please address and remove the TODO
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