1 package org.apache.maven.doxia.linkcheck.validation;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.Locale;
23
24 /**
25 * Checks links which are normal URLs.
26 *
27 * @author <a href="mailto:bwalding@apache.org">Ben Walding</a>
28 * @author <a href="mailto:aheritier@apache.org">Arnaud Heritier</a>
29 * @version $Id: HTTPLinkValidator.java 799838 2009-08-01 11:23:24Z vsiveton $
30 */
31 public abstract class HTTPLinkValidator
32 implements LinkValidator
33 {
34 /** {@inheritDoc} */
35 public Object getResourceKey( LinkValidationItem lvi )
36 {
37 String link = lvi.getLink();
38
39 if ( !link.toLowerCase( Locale.ENGLISH ).startsWith( "http://" )
40 && !link.toLowerCase( Locale.ENGLISH ).startsWith( "https://" ) && !link.startsWith( "/" ) )
41 {
42 return null;
43 }
44
45 int hashPos = link.indexOf( "#" );
46
47 if ( hashPos != -1 )
48 {
49 link = link.substring( 0, hashPos );
50 }
51
52 return link;
53 }
54
55 }