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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  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,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.surefire.common.junit4;
20  
21  import java.util.ArrayList;
22  import java.util.List;
23  
24  import org.apache.maven.surefire.api.util.ReflectionUtils;
25  import org.junit.runner.notification.RunListener;
26  
27  import static org.apache.maven.surefire.shared.utils.StringUtils.isNotBlank;
28  
29  /**
30   * @author Kristian Rosenvold
31   */
32  public class JUnit4RunListenerFactory {
33      public static List<RunListener> createCustomListeners(String listeners) {
34          List<RunListener> result = new ArrayList<>();
35          if (isNotBlank(listeners)) {
36              ClassLoader cl = Thread.currentThread().getContextClassLoader();
37              for (String listener : listeners.split(",")) {
38                  if (isNotBlank(listener)) {
39                      result.add(ReflectionUtils.instantiate(cl, listener, RunListener.class));
40                  }
41              }
42          }
43          return result;
44      }
45  }