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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.loader;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import org.apache.tools.ant.AntClassLoader;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.util.CollectionUtils;
import org.junit.Test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class AntClassLoader5Test {
/**
* Asserts that getResources won't return resources that cannot be
* seen by AntClassLoader but by ClassLoader.this.parent.
*
* @see <a href="https://issues.apache.org/bugzilla/show_bug.cgi?id=46752">
* https://issues.apache.org/bugzilla/show_bug.cgi?id=46752</a>
*/
@Test
public void testGetResources() throws IOException {
AntClassLoader acl = new AntClassLoader5(new EmptyLoader(), null,
new Path(null), true);
assertNull(acl.getResource("META-INF/MANIFEST.MF"));
assertFalse(acl.getResources("META-INF/MANIFEST.MF").hasMoreElements());
// double check using system classloader as parent
acl = new AntClassLoader5(null, null, new Path(null), true);
assertNotNull(acl.getResource("META-INF/MANIFEST.MF"));
assertTrue(acl.getResources("META-INF/MANIFEST.MF").hasMoreElements());
}
@Test
public void testGetResourcesUsingFactory() throws IOException {
AntClassLoader acl =
AntClassLoader.newAntClassLoader(new EmptyLoader(), null,
new Path(null), true);
assertNull(acl.getResource("META-INF/MANIFEST.MF"));
assertFalse(acl.getResources("META-INF/MANIFEST.MF").hasMoreElements());
}
private static class EmptyLoader extends ClassLoader {
public URL getResource(String n) {
return null;
}
public Enumeration getResources(String n) {
return new CollectionUtils.EmptyEnumeration();
}
}
}
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