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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 HostnameCriterionResolver extends StandardResolver implements
30          RuleCriterionResolver
31  {
32      boolean useDotPrefix = false;
33      
34      public HostnameCriterionResolver(boolean usePrefix)
35      {
36          super();
37          this.useDotPrefix = usePrefix;
38      }
39  
40      /*
41       * (non-Javadoc)
42       * 
43       * @see org.apache.jetspeed.profiler.rules.impl.StandardResolver#isControl(org.apache.jetspeed.profiler.rules.RuleCriterion)
44       */
45      public boolean isControl(RuleCriterion criterion)
46      {
47          return true;
48      }
49  
50      /*
51       * (non-Javadoc)
52       * 
53       * @see org.apache.jetspeed.profiler.rules.impl.StandardResolver#isNavigation(org.apache.jetspeed.profiler.rules.RuleCriterion)
54       */
55      public boolean isNavigation(RuleCriterion criterion)
56      {
57          return false;
58      }
59  
60      public String resolve(RequestContext context, RuleCriterion criterion)
61      {
62          String serverName = context.getRequest().getServerName();        
63          if (useDotPrefix)
64          {
65              int idx = serverName.indexOf(".");
66              if (idx != -1)
67              {
68                  // SUFFIX: hostname = servername.substring(idx + 1, servername.length());
69                  serverName = serverName.substring(0, idx);
70              }
71          }
72          return serverName;
73      }
74  
75  }