package com.fasterxml.jackson.databind.introspect;
import com.fasterxml.jackson.annotation.*;
import com.fasterxml.jackson.databind.BaseMapTest;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Tests to verify that annotations are shared and merged between members
* of a property (getter and setter and so on)
*/
public class TestAnnotationMerging extends BaseMapTest
{
static class Wrapper
{
protected Object value;
public Wrapper() { }
public Wrapper(Object o) { value = o; }
@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS)
public Object getValue() { return value; }
public void setValue(Object o) { value = o; }
}
static class SharedName {
@JsonProperty("x")
protected int value;
public SharedName(int v) { value = v; }
public int getValue() { return value; }
}
static class SharedName2
{
@JsonProperty("x")
public int getValue() { return 1; }
public void setValue(int x) { }
}
// Testing to ensure that ctor param and getter can "share" @JsonTypeInfo stuff
static class TypeWrapper
{
protected Object value;
@JsonCreator
public TypeWrapper(
@JsonProperty("value")
@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS) Object o) {
value = o;
}
public Object getValue() { return value; }
}
/*
/**********************************************************
/* Unit tests
/**********************************************************
*/
public void testSharedNames() throws Exception
{
ObjectMapper mapper = new ObjectMapper();
assertEquals("{\"x\":6}", mapper.writeValueAsString(new SharedName(6)));
}
public void testSharedNamesFromGetterToSetter() throws Exception
{
ObjectMapper mapper = new ObjectMapper();
String json = mapper.writeValueAsString(new SharedName2());
assertEquals("{\"x\":1}", json);
SharedName2 result = mapper.readValue(json, SharedName2.class);
assertNotNull(result);
}
public void testSharedTypeInfo() throws Exception
{
ObjectMapper mapper = new ObjectMapper();
String json = mapper.writeValueAsString(new Wrapper(13L));
Wrapper result = mapper.readValue(json, Wrapper.class);
assertEquals(Long.class, result.value.getClass());
}
public void testSharedTypeInfoWithCtor() throws Exception
{
ObjectMapper mapper = new ObjectMapper();
String json = mapper.writeValueAsString(new TypeWrapper(13L));
TypeWrapper result = mapper.readValue(json, TypeWrapper.class);
assertEquals(Long.class, result.value.getClass());
}
}