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1   package org.apache.maven.plugin.linkcheck.validation;
2   
3   /* ====================================================================
4    *   Licensed to the Apache Software Foundation (ASF) under one or more
5    *   contributor license agreements.  See the NOTICE file distributed with
6    *   this work for additional information regarding copyright ownership.
7    *   The ASF licenses this file to You under the Apache License, Version 2.0
8    *   (the "License"); you may not use this file except in compliance with
9    *   the License.  You may obtain a copy of the License at
10   *
11   *       http://www.apache.org/licenses/LICENSE-2.0
12   *
13   *   Unless required by applicable law or agreed to in writing, software
14   *   distributed under the License is distributed on an "AS IS" BASIS,
15   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   *   See the License for the specific language governing permissions and
17   *   limitations under the License.
18   * ====================================================================
19   */
20  
21  /**
22   * Checks links which are normal URLs
23   * 
24   * @author <a href="mailto:bwalding@apache.org">Ben Walding</a>
25   * @author <a href="mailto:aheritier@apache.org">Arnaud Heritier</a>
26   * @version $Id: HTTPLinkValidator.java 532339 2007-04-25 12:28:56Z ltheussl $
27   */
28  public abstract class HTTPLinkValidator implements LinkValidator
29  {
30      /**
31       * @see org.apache.maven.plugin.linkcheck.LinkValidator#getResourceKey(org.apache.maven.plugin.linkcheck.LinkValidationItem)
32       */
33      public Object getResourceKey( LinkValidationItem lvi )
34      {
35          String link = lvi.getLink();
36          if ( !link.startsWith( "http://" ) && !link.startsWith( "https://" ) )
37          {
38              return null;
39          }
40          int hashPos = link.indexOf( "#" );
41          if ( hashPos != -1 )
42          {
43              link = link.substring( 0, hashPos );
44          }
45          return link;
46      }
47  
48  }