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