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  @Override
131  public void elide() {
132    // not used
133  }
134
135  @Override
136  public boolean canElide() { return false;}
137
138}