1 package org.apache.maven.it;
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 org.apache.maven.it.Verifier;
23 import org.apache.maven.it.util.ResourceExtractor;
24
25 import java.io.File;
26 import java.util.Properties;
27
28 /**
29 * This is a test set for <a href="http://jira.codehaus.org/browse/MNG-4273">MNG-4273</a>.
30 *
31 * @author Benjamin Bentmann
32 */
33 public class MavenITmng4273RestrictedCoreRealmAccessForPluginTest
34 extends AbstractMavenIntegrationTestCase
35 {
36
37 public MavenITmng4273RestrictedCoreRealmAccessForPluginTest()
38 {
39 super( "[2.0.6,)" );
40 }
41
42 /**
43 * Verify that internal utility/implementation classes used by the Maven core do not leak into the plugin realm.
44 * Otherwise, we risk linkage errors when a plugin creates a custom class loader with parent-first delegation on
45 * top of the plugin realm because the custom class loader will prefer potentially incompatible classes from the
46 * core realm over classes from itself.
47 */
48 public void testit()
49 throws Exception
50 {
51 File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-4273" );
52
53 Verifier verifier = newVerifier( testDir.getAbsolutePath() );
54 verifier.setAutoclean( false );
55 verifier.executeGoal( "validate" );
56 verifier.verifyErrorFreeLog();
57 verifier.resetStreams();
58
59 Properties props = verifier.loadProperties( "target/class.properties" );
60
61 assertNull( props.getProperty( "org.codehaus.plexus.util.FileUtils$FilterWrapper" ) );
62
63 try
64 {
65 // some IBM JRE's ship with Xerces (xml.jar) so a plugin can load this class from the bootstrap loader
66 ClassLoader.getSystemClassLoader().loadClass( "org.apache.xerces.util.ParserConfigurationSettings" );
67 }
68 catch ( ClassNotFoundException e )
69 {
70 // not provided by JRE, and must not be provided by Maven's core realm either
71 assertNull( props.getProperty( "org.apache.xerces.util.ParserConfigurationSettings" ) );
72 }
73 }
74
75 }