001/*
002 * Units of Measurement Systems
003 * Copyright (c) 2005-2017, Jean-Marie Dautelle, Werner Keil and others.
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, Units of Measurement nor the names of their contributors may be used to
017 *    endorse or promote products 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 systems.uom.unicode.spi;
031
032import java.util.Collection;
033import java.util.HashMap;
034import java.util.Map;
035
036import javax.measure.spi.SystemOfUnits;
037import javax.measure.spi.SystemOfUnitsService;
038
039import systems.uom.unicode.CLDR;
040import tech.uom.lib.common.function.IntPrioritySupplier;
041
042/**
043 * @author <a href="mailto:units@catmedia.us">Werner Keil</a>
044 * @version 0.5, October 20, 2019
045 */
046public class CLDRSystemService implements SystemOfUnitsService, IntPrioritySupplier {
047    private static final int PRIO = 20;
048
049    private final Map<String, SystemOfUnits> souMap = new HashMap<String, SystemOfUnits>();
050    private final Map<String, String> aliases = new HashMap<String, String>();
051
052    public CLDRSystemService() {
053        souMap.put("CLDR", CLDR.getInstance());
054        aliases.put("Unicode", "CLDR");
055    }
056
057    public Collection<SystemOfUnits> getAvailableSystemsOfUnits() {
058        return souMap.values();
059    }
060
061    @Override
062    public SystemOfUnits getSystemOfUnits() {
063        return getSystemOfUnits("CLDR");
064    }
065
066    @Override
067    public SystemOfUnits getSystemOfUnits(String name) {
068        String alias = aliases.get(name);
069        if (alias != null && alias.length() > 0) {
070            return souMap.get(alias);
071        }
072        return souMap.get(name);
073    }
074
075    @Override
076    public int getPriority() {
077        return PRIO;
078    }
079}