View Javadoc
1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package org.jboss.netty.handler.ipfilter;
17  
18  import java.net.InetAddress;
19  import java.net.UnknownHostException;
20  
21  /** IpV4 only Filter Rule */
22  public class IpV4SubnetFilterRule extends IpV4Subnet implements IpFilterRule {
23      /** Is this IpV4Subnet an ALLOW or DENY rule */
24      private boolean isAllowRule = true;
25  
26      /**
27       * Constructor for a ALLOW or DENY ALL
28       *
29       * @param allow True for ALLOW, False for DENY
30       */
31      public IpV4SubnetFilterRule(boolean allow) {
32          isAllowRule = allow;
33      }
34  
35      /** @param allow True for ALLOW, False for DENY */
36      public IpV4SubnetFilterRule(boolean allow, InetAddress inetAddress, int cidrNetMask) {
37          super(inetAddress, cidrNetMask);
38          isAllowRule = allow;
39      }
40  
41      /** @param allow True for ALLOW, False for DENY */
42      public IpV4SubnetFilterRule(boolean allow, InetAddress inetAddress, String netMask) {
43          super(inetAddress, netMask);
44          isAllowRule = allow;
45      }
46  
47      /** @param allow True for ALLOW, False for DENY */
48      public IpV4SubnetFilterRule(boolean allow, String netAddress) throws UnknownHostException {
49          super(netAddress);
50          isAllowRule = allow;
51      }
52  
53      public boolean isAllowRule() {
54          return isAllowRule;
55      }
56  
57      public boolean isDenyRule() {
58          return !isAllowRule;
59      }
60  
61  }