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.report;
20
21 import java.text.NumberFormat;
22 import java.util.Locale;
23
24 /**
25 * Utility for reporter classes.
26 *
27 * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
28 * @since 2.19
29 */
30 final class ReporterUtils {
31 private static final int MS_PER_SEC = 1000;
32
33 private ReporterUtils() {
34 throw new IllegalStateException("non instantiable constructor");
35 }
36
37 static String formatElapsedTime(double runTime) {
38 NumberFormat numberFormat = NumberFormat.getInstance(Locale.ENGLISH);
39 numberFormat.setGroupingUsed(true);
40 numberFormat.setMinimumFractionDigits(0);
41 numberFormat.setMaximumFractionDigits(3);
42 return numberFormat.format(runTime / MS_PER_SEC);
43 }
44 }