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 error logger for the error stream of the forked JMV,
28 * see {@link org.apache.maven.plugin.surefire.booterclient.ForkStarter}.
29 *
30 * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
31 * @since 2.20
32 * @see org.apache.maven.plugin.surefire.booterclient.ForkStarter
33 */
34 public final class NativeStdErrStreamConsumer
35 implements EventHandler<String>
36 {
37 private final Object errStreamLock;
38
39 public NativeStdErrStreamConsumer( Object errStreamLock )
40 {
41 this.errStreamLock = errStreamLock;
42 }
43
44 @Override
45 public void handleEvent( @Nonnull String message )
46 {
47 synchronized ( errStreamLock )
48 {
49 System.err.println( message );
50 }
51 }
52 }