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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.plugin.surefire.booterclient.output;
20  
21  import javax.annotation.Nonnull;
22  
23  import org.apache.maven.surefire.extensions.EventHandler;
24  
25  /**
26   * The standard output logger for the output stream of the forked JMV,
27   * see org.apache.maven.plugin.surefire.extensions.SurefireForkChannel.
28   *
29   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
30   * @since 3.0.0-M5
31   */
32  public final class NativeStdOutStreamConsumer implements EventHandler<String> {
33      private final Object outStreamLock;
34  
35      public NativeStdOutStreamConsumer(Object outStreamLock) {
36          this.outStreamLock = outStreamLock;
37      }
38  
39      @Override
40      public void handleEvent(@Nonnull String message) {
41          synchronized (outStreamLock) {
42              System.out.println(message);
43          }
44      }
45  }