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.format; 031 032import java.util.HashMap; 033import java.util.Map; 034import java.util.Objects; 035import java.util.Set; 036 037import javax.measure.format.UnitFormat; 038import javax.measure.spi.UnitFormatService; 039 040import tec.uom.lib.common.function.IntPrioritySupplier; 041import tec.uom.se.format.EBNFUnitFormat; 042import tec.uom.se.format.LocalUnitFormat; 043import tec.uom.se.format.SimpleUnitFormat; 044import tec.uom.se.format.SimpleUnitFormat.Flavor; 045 046/** 047 * Default format service. 048 * 049 * @author Werner Keil 050 * @version 0.5, January 19, 2017 051 */ 052public class DefaultUnitFormatService implements UnitFormatService, IntPrioritySupplier { 053 static final int PRIO = 1000; 054 055 private static final String DEFAULT_FORMAT = Flavor.Default.name(); 056 057 private final Map<String, UnitFormat> formats = new HashMap<>(); 058 059 public DefaultUnitFormatService() { 060 formats.put(DEFAULT_FORMAT, SimpleUnitFormat.getInstance()); 061 formats.put(Flavor.ASCII.name(), SimpleUnitFormat.getInstance(Flavor.ASCII)); 062 formats.put("EBNF", EBNFUnitFormat.getInstance()); 063 formats.put("Local", LocalUnitFormat.getInstance()); 064 } 065 066 /* 067 * (non-Javadoc) 068 * 069 * @see UnitFormatService#getUnitFormat(String) 070 */ 071 @Override 072 public UnitFormat getUnitFormat(String formatName) { 073 Objects.requireNonNull(formatName, "Format name required"); 074 return formats.get(formatName); 075 } 076 077 /* 078 * (non-Javadoc) 079 * 080 * @see UnitFormatService#getUnitFormat() 081 */ 082 @Override 083 public UnitFormat getUnitFormat() { 084 return getUnitFormat(DEFAULT_FORMAT); 085 } 086 087 public Set<String> getAvailableFormatNames() { 088 return formats.keySet(); 089 } 090 091 @Override 092 public int getPriority() { 093 return PRIO; 094 } 095}