001/*
002 * Units of Measurement Reference Implementation
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.units.ri.internal.format;
031
032import java.util.HashMap;
033import java.util.Map;
034import java.util.Set;
035
036import javax.measure.format.UnitFormat;
037import javax.measure.spi.UnitFormatService;
038
039import tec.units.ri.format.SimpleUnitFormat;
040import tec.units.ri.format.SimpleUnitFormat.Flavor;
041import tec.uom.lib.common.function.IntPrioritySupplier;
042
043/**
044 * Default format service.
045 *
046 * @author Werner Keil
047 * @version 0.5, March 23, 2016
048 */
049public class DefaultUnitFormatService implements UnitFormatService, IntPrioritySupplier {
050
051  private static final int PRIO = 1000;
052  private static final String DEFAULT_FORMAT = Flavor.Default.name();
053
054  private final Map<String, UnitFormat> formats = new HashMap<String, UnitFormat>();
055
056  public DefaultUnitFormatService() {
057    formats.put(DEFAULT_FORMAT, SimpleUnitFormat.getInstance());
058    formats.put(Flavor.ASCII.name(), SimpleUnitFormat.getInstance(Flavor.ASCII));
059    // formats.put("EBNF", EBNFUnitFormat.getInstance());
060  }
061
062  /*
063   * (non-Javadoc)
064   * 
065   * @see UnitFormatService#getUnitFormat(String)
066   */
067  public UnitFormat getUnitFormat(String formatName) {
068    if (formatName == null)
069      throw new NullPointerException("Format name required");
070    return formats.get(formatName);
071  }
072
073  /*
074   * (non-Javadoc)
075   * 
076   * @see UnitFormatService#getUnitFormat()
077   */
078  public UnitFormat getUnitFormat() {
079    return getUnitFormat(DEFAULT_FORMAT);
080  }
081
082  public Set<String> getAvailableFormatNames() {
083    return formats.keySet();
084  }
085
086  public int getPriority() {
087    return PRIO;
088  }
089}