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 }