si.uom.impl.SISystemService Maven / Gradle / Ivy

/*
 * International System of Units (SI)
 * Copyright (c) 2005-2018, Jean-Marie Dautelle, Werner Keil and others.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of JSR-385, Units of Measurement nor the names of their contributors may be used to
 *    endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package si.uom.impl;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import javax.measure.spi.SystemOfUnits;
import javax.measure.spi.SystemOfUnitsService;

import si.uom.NonSI;
import si.uom.SI;

/**
 * @author Werner Keil
 * @version 0.6, May 12, 2018
 */
// @Priority(20)
class SISystemService implements SystemOfUnitsService {

	private final Map souMap = new HashMap<>();

	SISystemService() {
		souMap.put(SI.getInstance().getName(), SI.getInstance());
		souMap.put(NonSI.getInstance().getName(), NonSI.getInstance());
	}

	public Collection getAvailableSystemsOfUnits() {
		return souMap.values();
	}

	@Override
	public SystemOfUnits getSystemOfUnits() {
		return getSystemOfUnits(SI.getInstance().getName());
	}

	@Override
	public SystemOfUnits getSystemOfUnits(String name) {
		return souMap.get(name);
	}
}