001/*
002 * Units of Measurement TCK
003 * Copyright © 2005-2019, Jean-Marie Dautelle, Werner Keil, Otavio Santana.
004 *
005 * All rights reserved.
006 *
007 * Redistribution and use in source and binary forms, with or without modification,
008 * are permitted provided that the following conditions are met:
009 *
010 * 1. Redistributions of source code must retain the above copyright notice,
011 *    this list of conditions and the following disclaimer.
012 *
013 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
014 *    and the following disclaimer in the documentation and/or other materials provided with the distribution.
015 *
016 * 3. Neither the name of JSR-385 nor the names of its contributors may be used to endorse or promote products
017 *    derived from this software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
021 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
022 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
023 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
026 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
028 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package tech.units.tck;
031
032import java.util.ServiceLoader;
033
034import javax.inject.Singleton;
035
036import tech.units.tck.util.ServiceConfiguration;
037
038/**
039 * Test setup used by the JSR 385 TCK.
040 *
041 * @author <a href="mailto:[email protected]">Werner Keil</a>
042 * @version 2.0, July 7, 2019
043 */
044@Singleton
045public final class TCKSetup {
046
047        private static ServiceConfiguration TEST_CONFIG = loadConfiguration();
048
049        private TCKSetup() {
050        }
051
052        private static ServiceConfiguration loadConfiguration() {
053                try {
054                        return ServiceLoader.load(ServiceConfiguration.class).iterator()
055                                        .next();
056                } catch (Exception e) {
057                        throw new IllegalStateException("No valid implementation of "
058                                                + ServiceConfiguration.class.getName()
059                                                + " is registered with the ServiceLoader.");
060                }
061        }
062
063        public static final ServiceConfiguration getConfiguration() {
064                return TEST_CONFIG;
065        }
066
067}