1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
package com.fasterxml.jackson.databind.jsontype;
import java.util.*;
import com.fasterxml.jackson.annotation.*;
import com.fasterxml.jackson.databind.*;
// Test for [databind#1051], issue with combination of Type and Object ids,
// if (but only if) `JsonTypeInfo.As.WRAPPER_OBJECT` used.
public class WrapperObjectWithObjectIdTest extends BaseMapTest
{
@JsonRootName(value = "company")
static class Company {
public List<Computer> computers;
public Company() {
computers = new ArrayList<Computer>();
}
public Company addComputer(Computer computer) {
if (computers == null) {
computers = new ArrayList<Computer>();
}
computers.add(computer);
return this;
}
}
@JsonIdentityInfo(
generator = ObjectIdGenerators.PropertyGenerator.class,
property = "id"
)
@JsonTypeInfo(
use = JsonTypeInfo.Id.NAME,
include = JsonTypeInfo.As.WRAPPER_OBJECT,
property = "type"
)
@JsonSubTypes({
@JsonSubTypes.Type(value = DesktopComputer.class, name = "desktop"),
@JsonSubTypes.Type(value = LaptopComputer.class, name = "laptop")
})
static class Computer {
public String id;
}
@JsonTypeName("desktop")
static class DesktopComputer extends Computer {
public String location;
protected DesktopComputer() { }
public DesktopComputer(String id, String loc) {
this.id = id;
location = loc;
}
}
@JsonTypeName("laptop")
static class LaptopComputer extends Computer {
public String vendor;
protected LaptopComputer() { }
public LaptopComputer(String id, String v) {
this.id = id;
vendor = v;
}
}
public void testSimple() throws Exception
{
Company comp = new Company();
comp.addComputer(new DesktopComputer("computer-1", "Bangkok"));
comp.addComputer(new DesktopComputer("computer-2", "Pattaya"));
comp.addComputer(new LaptopComputer("computer-3", "Apple"));
final ObjectMapper mapper = new ObjectMapper();
String json = mapper.writerWithDefaultPrettyPrinter()
.writeValueAsString(comp);
Company result = mapper.readValue(json, Company.class);
assertNotNull(result);
assertNotNull(result.computers);
assertEquals(3, result.computers.size());
}
}
|
