001/* 002 * Copyright © 2012, 2013, 2014 Royal Botanic Gardens, Kew. 003 * 004 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 005 * 006 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 007 * 008 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 009 */ 010package org.kew.rmf.transformers.collations; 011 012import org.kew.rmf.transformers.Transformer; 013 014public class CollationStructureTransformer implements Transformer{ 015 016 @Override 017 public String transform(String s) { 018 return assessCollationStructure(s); 019 } 020 021 private static char[] DASHES = {'\u2012', '\u2013', '\u2014'}; 022 023 // This converts the extended characters to a normalised equivalent which is more easy to work with: 024 // accented e 025 // emdashes / emrules (sometimes used in place of hyphens). 026 private static String convertExtChars(String str){ 027 for (char c : DASHES) 028 while (str.indexOf(c)!=-1) 029 str = str.replace(c, '-'); 030 while (str.indexOf('\u00E9')!=-1) 031 str = str.replace('\u00E9', 'e'); 032 return str; 033 } 034 035 public static String[] splitCollation(String collation){ 036 return convertExtChars(collation).split("[^A-Za-z\u00E90-9\\-]+"); 037 } 038 039 public static String assessCollationStructure(String collation){ 040 String c_structure = null; 041 if (collation != null){ 042 c_structure = convertExtChars(collation.toLowerCase()); 043 c_structure=c_structure.replaceAll("1[7-9][0-9][0-9]","YYYY"); 044 c_structure=c_structure.replaceAll("20[0-1][0-9]","YYYY"); 045 c_structure=c_structure.replaceAll("[0-9]+","D"); 046 c_structure=c_structure.replaceAll("[ivxlc]+","R"); 047 c_structure=c_structure.replaceAll("[a-z\u00E9]+","A"); 048 c_structure=c_structure.replaceAll("RA","A"); 049 c_structure=c_structure.replaceAll("AR","A"); 050 c_structure=c_structure.replaceAll("A+","A"); 051 // Treat things like 21A as a "number": 052 c_structure=c_structure.replaceAll("DA","D"); 053 // And treat things like 1891A as a "number": 054 c_structure=c_structure.replaceAll("YYYYA","D"); 055 // ...and things like 21C as a "number": 056 c_structure=c_structure.replaceAll("DR","D"); 057 // Treat numeric ranges as a single number: 058 c_structure=c_structure.replaceAll("D\\-D","D"); 059 c_structure=c_structure.toLowerCase(); 060 } 061 return c_structure; 062 } 063}