001package org.hl7.fhir.r4.model; 002 003/* 004 Copyright (c) 2011+, HL7, Inc. 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 * Redistributions of source code must retain the above copyright notice, this 011 list of conditions and the following disclaimer. 012 * Redistributions in binary form must reproduce the above copyright notice, 013 this list of conditions and the following disclaimer in the documentation 014 and/or other materials provided with the distribution. 015 * Neither the name of HL7 nor the names of its contributors may be used to 016 endorse or promote products derived from this software without specific 017 prior written permission. 018 019 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 020 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 021 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 022 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 024 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 025 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 026 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 027 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 028 POSSIBILITY OF SUCH DAMAGE. 029 030 */ 031 032import java.util.List; 033 034import org.apache.commons.lang3.NotImplementedException; 035import org.hl7.fhir.exceptions.FHIRException; 036import org.hl7.fhir.utilities.Utilities; 037 038/** 039 * See http://www.healthintersections.com.au/?p=1941 040 * 041 * @author Grahame 042 * 043 */ 044public class Comparison { 045 046 public class MatchProfile { 047 048 } 049 050 public static boolean matches(String c1, String c2, MatchProfile profile) { 051 if (Utilities.noString(c1) || Utilities.noString(c2)) 052 return false; 053 c1 = Utilities.normalize(c1); 054 c2 = Utilities.normalize(c2); 055 return c1.equals(c2); 056 } 057 058 public static <T extends Enum<?>> boolean matches(Enumeration<T> e1, Enumeration<T> e2, MatchProfile profile) { 059 if (e1 == null || e2 == null) 060 return false; 061 return e1.getValue().equals(e2.getValue()); 062 } 063 064 public static boolean matches(CodeableConcept c1, CodeableConcept c2, MatchProfile profile) throws FHIRException { 065 if (profile != null) 066 throw new NotImplementedException("Not Implemented Yet"); 067 068 if (c1.getCoding().isEmpty() && c2.getCoding().isEmpty()) { 069 return matches(c1.getText(), c2.getText(), null); 070 } else { 071 // in the absence of specific guidance, we just require that all codes match 072 boolean ok = true; 073 for (Coding c : c1.getCoding()) { 074 ok = ok && inList(c2.getCoding(), c, null); 075 } 076 for (Coding c : c2.getCoding()) { 077 ok = ok && inList(c1.getCoding(), c, null); 078 } 079 return ok; 080 } 081 } 082 083 public static void merge(CodeableConcept dst, CodeableConcept src) { 084 if (dst.getTextElement() == null && src.getTextElement() != null) 085 dst.setTextElement(src.getTextElement()); 086 } 087 088 public static boolean inList(List<Coding> list, Coding c, MatchProfile profile) { 089 for (Coding item : list) { 090 if (matches(item, c, profile)) 091 return true; 092 } 093 return false; 094 } 095 096 public static boolean matches(Coding c1, Coding c2, MatchProfile profile) { 097 if (profile != null) 098 throw new NotImplementedException("Not Implemented Yet"); 099 100 // in the absence of a profile, we ignore version 101 return matches(c1.getSystem(), c2.getSystem(), null) && matches(c1.getCode(), c2.getCode(), null); 102 } 103 104 public static boolean matches(Identifier i1, Identifier i2, MatchProfile profile) { 105 if (profile != null) 106 throw new NotImplementedException("Not Implemented Yet"); 107 108 // in the absence of a profile, we ignore version 109 return matches(i1.getSystem(), i2.getSystem(), null) && matches(i1.getValue(), i2.getValue(), null); 110 } 111 112 public static void merge(Identifier dst, Identifier src) { 113 if (dst.getUseElement() == null && src.getUseElement() != null) 114 dst.setUseElement(src.getUseElement()); 115 if (dst.getType() == null && src.getType() != null) 116 dst.setType(src.getType()); 117 if (dst.getPeriod() == null && src.getPeriod() != null) 118 dst.setPeriod(src.getPeriod()); 119 if (dst.getAssigner() == null && src.getAssigner() != null) 120 dst.setAssigner(src.getAssigner()); 121 } 122 123 public static boolean matches(ContactPoint c1, ContactPoint c2, Object profile) { 124 if (profile != null) 125 throw new NotImplementedException("Not Implemented Yet"); 126 127 // in the absence of a profile, we insist on system 128 return matches(c1.getSystemElement(), c2.getSystemElement(), null) && matches(c1.getValue(), c2.getValue(), null); 129 } 130 131 public static void merge(ContactPoint dst, ContactPoint src) { 132 if (dst.getUseElement() == null && src.getUseElement() != null) 133 dst.setUseElement(src.getUseElement()); 134 if (dst.getPeriod() == null && src.getPeriod() != null) 135 dst.setPeriod(src.getPeriod()); 136 } 137 138}