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1   package org.apache.maven.plugin.surefire.booterclient.output;
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.surefire.extensions.EventHandler;
23  
24  import javax.annotation.Nonnull;
25  
26  /**
27   * The standard output logger for the output stream of the forked JMV,
28   * see org.apache.maven.plugin.surefire.extensions.SurefireForkChannel.
29   *
30   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
31   * @since 3.0.0-M5
32   */
33  public final class NativeStdOutStreamConsumer
34      implements EventHandler<String>
35  {
36      private final Object outStreamLock;
37  
38      public NativeStdOutStreamConsumer( Object outStreamLock )
39      {
40          this.outStreamLock = outStreamLock;
41      }
42  
43      @Override
44      public void handleEvent( @Nonnull String message )
45      {
46          synchronized ( outStreamLock )
47          {
48              System.out.println( message );
49          }
50      }
51  }