1 package com.fasterxml.jackson.module.jaxb.deser;
2
3 import java.io.IOException;
4 import java.io.InputStream;
5 import java.io.OutputStream;
6 import java.io.ByteArrayInputStream;
7
8 import javax.activation.DataHandler;
9 import javax.activation.DataSource;
10
11 import com.fasterxml.jackson.core.JsonParser;
12 import com.fasterxml.jackson.core.JsonProcessingException;
13 import com.fasterxml.jackson.databind.DeserializationContext;
14 import com.fasterxml.jackson.databind.deser.std.StdScalarDeserializer;
15
16 /**
17  * @author Ryan Heaton
18  */
19 public class DataHandlerJsonDeserializer
20     extends StdScalarDeserializer<DataHandler>
21 {
22     private static final long serialVersionUID = 1L;
23
24     public DataHandlerJsonDeserializer() { super(DataHandler.class); }
25
26     @Override
27     public DataHandler deserialize(JsonParser jp, DeserializationContext ctxt)
28         throws IOException, JsonProcessingException
29     {
30         final byte[] value = jp.getBinaryValue();
31         return new DataHandler(new DataSource() {
32             @Override
33             public InputStream getInputStream() throws IOException {
34                 return new ByteArrayInputStream(value);
35             }
36
37             @Override
38             public OutputStream getOutputStream() throws IOException {
39                 throw new IOException();
40             }
41
42             @Override
43             public String getContentType() {
44                 return "application/octet-stream";
45             }
46
47             @Override
48             public String getName() {
49                 return "json-binary-data";
50             }
51         });
52     }
53 }
54