001/*
002 * Units of Measurement Implementation for Java SE
003 * Copyright (c) 2005-2017, Jean-Marie Dautelle, Werner Keil, V2COM.
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-363 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 tec.uom.se.internal;
031
032import java.util.Collection;
033import java.util.Map;
034import java.util.concurrent.ConcurrentHashMap;
035
036import javax.measure.spi.SystemOfUnits;
037import javax.measure.spi.SystemOfUnitsService;
038
039import tec.uom.se.unit.Units;
040
041/**
042 * @author <a href="mailto:units@catmedia.us">Werner Keil</a>
043 * @version 0.2, November 3, 2015
044 */
045public class DefaultSystemOfUnitsService implements SystemOfUnitsService {
046
047  final Map<String, SystemOfUnits> souMap = new ConcurrentHashMap<>();
048
049  public DefaultSystemOfUnitsService() {
050    souMap.put(Units.class.getSimpleName(), Units.getInstance());
051  }
052
053  public Collection<SystemOfUnits> getAvailableSystemsOfUnits() {
054    return souMap.values();
055  }
056
057  @Override
058  public SystemOfUnits getSystemOfUnits() {
059    return getSystemOfUnits(Units.class.getSimpleName());
060  }
061
062  @Override
063  public SystemOfUnits getSystemOfUnits(String name) {
064    return souMap.get(name);
065  }
066
067}