1 package org.apache.maven.surefire.junitcore;
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.api.report.ConsoleOutputReceiver;
23
24 import java.util.Queue;
25 import java.util.concurrent.ConcurrentLinkedQueue;
26
27 /**
28 * A stream-like object that preserves ordering between stdout/stderr
29 */
30 final class LogicalStream
31 {
32 private final Queue<Entry> output = new ConcurrentLinkedQueue<>();
33
34 private static final class Entry
35 {
36 private final boolean stdout;
37 private final String text;
38 private final boolean newLine;
39
40 Entry( boolean stdout, String text, boolean newLine )
41 {
42 this.stdout = stdout;
43 this.text = text;
44 this.newLine = newLine;
45 }
46 }
47
48 synchronized void write( boolean stdout, String text, boolean newLine )
49 {
50 output.add( new Entry( stdout, text, newLine ) );
51 }
52
53 void writeDetails( ConsoleOutputReceiver outputReceiver )
54 {
55 for ( Entry entry = output.poll(); entry != null; entry = output.poll() )
56 {
57 outputReceiver.writeTestOutput( entry.text, entry.newLine, entry.stdout );
58 }
59 }
60 }