1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.jetspeed.profiler.rules.impl;
18
19 import org.apache.jetspeed.profiler.rules.RuleCriterion;
20 import org.apache.jetspeed.profiler.rules.RuleCriterionResolver;
21 import org.apache.jetspeed.request.RequestContext;
22
23 /***
24 * Hostname Resolver
25 *
26 * @author <a href="mailto:stalherm@goodgulf.net">Frank Stalherm</a>
27 * @version $Id:$
28 */
29 public class DomainCriterionResolver extends StandardResolver implements
30 RuleCriterionResolver
31 {
32
33 /*
34 * (non-Javadoc)
35 *
36 * @see org.apache.jetspeed.profiler.rules.impl.StandardResolver#isControl(org.apache.jetspeed.profiler.rules.RuleCriterion)
37 */
38 public boolean isControl(RuleCriterion criterion)
39 {
40 return false;
41 }
42
43 /*
44 * (non-Javadoc)
45 *
46 * @see org.apache.jetspeed.profiler.rules.impl.StandardResolver#isNavigation(org.apache.jetspeed.profiler.rules.RuleCriterion)
47 */
48 public boolean isNavigation(RuleCriterion criterion)
49 {
50 return true;
51 }
52
53 public String resolve(RequestContext context, RuleCriterion criterion)
54 {
55 return getDomain(context.getRequest().getServerName());
56 }
57
58 /***
59 * extracts the domain from the servername from RequestContext
60 *
61 * @param servername
62 * server name from request
63 * @return domain extracted from server name
64 */
65 public static String getDomain(String servername)
66 {
67 String domain = null;
68
69 if (servername != null)
70 {
71 int idx = servername.indexOf(".");
72 if (idx != -1)
73 {
74 domain = servername.substring(idx + 1, servername.length());
75 } else
76 {
77 // maybe there is no domain
78 // testing for IPv6 IP Address
79 idx = servername.indexOf(":");
80 if (idx != -1)
81 {
82 // TODO resolving IP Address?
83 // no domain is available
84 domain = "";
85 } else
86 {
87 // no domain is available
88 domain = "";
89 }
90 }
91 }
92 return domain;
93 }
94
95 }