001/* 002 * Units of Measurement Reference Implementation 003 * Copyright (c) 2005-2020, Units of Measurement project. 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, Indriya nor the names of their 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.indriya.spi; 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; 038 039/** 040 * @author <a href="mailto:werner@units.tech">Werner Keil</a> 041 * @version 1.1, August 21, 2019 042 * @since 2.0 043 */ 044public abstract class AbstractSystemOfUnitsService implements SystemOfUnitsService { 045 protected final Map<String, SystemOfUnits> souMap = new ConcurrentHashMap<>(); 046 047 @Override 048 public Collection<SystemOfUnits> getAvailableSystemsOfUnits() { 049 return souMap.values(); 050 } 051 052 @Override 053 public SystemOfUnits getSystemOfUnits(String name) { 054 return souMap.get(name); 055 } 056}