001package org.hl7.fhir.r5.formats; 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 */ 031 032 033 034import java.io.IOException; 035import java.io.OutputStreamWriter; 036import java.math.BigDecimal; 037 038import com.google.gson.stream.JsonWriter; 039 040public class JsonCreatorGson implements JsonCreator { 041 042 JsonWriter gson; 043 044 public JsonCreatorGson(OutputStreamWriter osw) { 045 gson = new JsonWriter(osw); 046 } 047 048 @Override 049 public void beginObject() throws IOException { 050 gson.beginObject(); 051 } 052 053 @Override 054 public void endObject() throws IOException { 055 gson.endObject(); 056 } 057 058 @Override 059 public void nullValue() throws IOException { 060 gson.nullValue(); 061 } 062 063 @Override 064 public void name(String name) throws IOException { 065 gson.name(name); 066 } 067 068 @Override 069 public void value(String value) throws IOException { 070 gson.value(value); 071 } 072 073 @Override 074 public void value(Boolean value) throws IOException { 075 gson.value(value); 076 } 077 078 @Override 079 public void value(BigDecimal value) throws IOException { 080 gson.value(value); 081 } 082 083 @Override 084 public void value(Integer value) throws IOException { 085 gson.value(value); 086 } 087 088 @Override 089 public void beginArray() throws IOException { 090 gson.beginArray(); 091 } 092 093 @Override 094 public void endArray() throws IOException { 095 gson.endArray(); 096 } 097 098 @Override 099 public void finish() { 100 // nothing to do here 101 102 } 103 104 @Override 105 public void link(String href) { 106 // not used 107 } 108 109 @Override 110 public void valueNum(String value) throws IOException { 111 value(new BigDecimal(value)); 112 } 113 114 @Override 115 public void anchor(String name) { 116 // not used 117 } 118 119 @Override 120 public void comment(String content) { 121 // gson (dense json) ignores comments 122 } 123 124 125 @Override 126 public void externalLink(String string) { 127 // not used 128 } 129 130}