| package org.apache.maven.surefire.junit4; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.Set; |
| |
| /** |
| * Emulate an OSGi classloader which only loads packages that have been imported via Import-Package MANIFEST header. |
| */ |
| public class PackageFilteringClassLoader |
| extends ClassLoader |
| { |
| |
| private ClassLoader wrapped; |
| |
| private Set<String> visiblePackages; |
| |
| public PackageFilteringClassLoader( ClassLoader wrapped, Set<String> visiblePackages ) |
| { |
| this.wrapped = wrapped; |
| this.visiblePackages = visiblePackages; |
| } |
| |
| @Override |
| public Class<?> loadClass( String className ) |
| throws ClassNotFoundException |
| { |
| String packageName = ""; |
| int lastDot = className.lastIndexOf( '.' ); |
| if ( lastDot != -1 ) |
| { |
| packageName = className.substring( 0, lastDot ); |
| } |
| if ( visiblePackages.contains( packageName ) ) |
| { |
| return wrapped.loadClass( className ); |
| } |
| else |
| { |
| throw new ClassNotFoundException( className ); |
| } |
| } |
| |
| } |