1 package org.codehaus.plexus.classworlds;
2
3 /*
4 * Copyright 2001-2006 Codehaus Foundation.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 import java.net.URL;
20 import java.net.URLClassLoader;
21 import java.util.HashSet;
22 import java.util.Set;
23
24 /**
25 * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
26 */
27 public class UrlUtils
28 {
29 public static String normalizeUrlPath( String name )
30 {
31 if ( name.startsWith( "/" ) )
32 {
33 name = name.substring( 1 );
34 }
35
36 // Looking for org/codehaus/werkflow/personality/basic/../common/core-idioms.xml
37 // | i |
38 // +-------+ remove
39 //
40 int i = name.indexOf( "/.." );
41
42 // Can't be at the beginning because we have no root to refer to so
43 // we start at 1.
44 if ( i > 0 )
45 {
46 int j = name.lastIndexOf( "/", i - 1 );
47
48 if ( j >= 0 )
49 {
50 name = name.substring( 0, j ) + name.substring( i + 3 );
51 }
52 }
53
54 return name;
55 }
56
57 public static Set<URL> getURLs( URLClassLoader loader )
58 {
59 Set<URL> ret = new HashSet<URL>();
60
61 for ( URL url : loader.getURLs() )
62 {
63 ret.add( url );
64 }
65
66 return ret;
67 }
68 }