// Test for [JACKSON-554]
public void testTreeToValue() throws Exception {
String JSON = "{\"leaf\":{\"value\":13}}";
ObjectMapper mapper = new ObjectMapper();
mapper.addMixInAnnotations(Leaf.class, LeafMixIn.class);
JsonNode root = mapper.readTree(JSON);
// Ok, try converting to bean using two mechanisms
Root r1 = mapper.treeToValue(root, Root.class);
assertNotNull(r1);
assertEquals(13, r1.leaf.value);
}
static {
final SimpleModule module =
new SimpleModule("SwfModule", new Version(1, 0, 0, null, null, null))
.addSerializer(Date.class, new EpochSecondsDateSerializer())
.addDeserializer(Date.class, new EpochSecondsDateDeserializer());
mapper.registerModule(module);
mapper.setDateFormat(new EpochSecondsDateFormat());
mapper.addMixInAnnotations(SimpleWorkflowMessage.class, BindingMixIn.class);
mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
mapper.disable(MapperFeature.AUTO_DETECT_IS_GETTERS);
mapper.setVisibilityChecker(
new VisibilityChecker.Std(VisibilityChecker.Std.class.getAnnotation(JsonAutoDetect.class)) {
private static final long serialVersionUID = 1L;
@Override
public boolean isSetterVisible(final Method m) {
return !(m.getParameterCount() == 1 && m.getParameterTypes()[0].isEnum())
&& super.isSetterVisible(m);
}
});
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
}
/**
* Configure an existing {@link ObjectMapper} instance with this builder's settings. This can be
* applied to any number of {@code ObjectMappers}.
*
* @param objectMapper the ObjectMapper to configure
*/
@SuppressWarnings("deprecation")
public void configure(ObjectMapper objectMapper) {
Assert.notNull(objectMapper, "ObjectMapper must not be null");
if (this.findModulesViaServiceLoader) {
// Jackson 2.2+
objectMapper.registerModules(ObjectMapper.findModules(this.moduleClassLoader));
} else if (this.findWellKnownModules) {
registerWellKnownModulesIfAvailable(objectMapper);
}
if (this.modules != null) {
for (Module module : this.modules) {
// Using Jackson 2.0+ registerModule method, not Jackson 2.2+ registerModules
objectMapper.registerModule(module);
}
}
if (this.moduleClasses != null) {
for (Class<? extends Module> module : this.moduleClasses) {
objectMapper.registerModule(BeanUtils.instantiate(module));
}
}
if (this.dateFormat != null) {
objectMapper.setDateFormat(this.dateFormat);
}
if (this.locale != null) {
objectMapper.setLocale(this.locale);
}
if (this.timeZone != null) {
objectMapper.setTimeZone(this.timeZone);
}
if (this.annotationIntrospector != null) {
objectMapper.setAnnotationIntrospector(this.annotationIntrospector);
}
if (this.propertyNamingStrategy != null) {
objectMapper.setPropertyNamingStrategy(this.propertyNamingStrategy);
}
if (this.serializationInclusion != null) {
objectMapper.setSerializationInclusion(this.serializationInclusion);
}
if (this.filters != null) {
// Deprecated as of Jackson 2.6, but just in favor of a fluent variant.
objectMapper.setFilters(this.filters);
}
for (Class<?> target : this.mixIns.keySet()) {
// Deprecated as of Jackson 2.5, but just in favor of a fluent variant.
objectMapper.addMixInAnnotations(target, this.mixIns.get(target));
}
if (!this.serializers.isEmpty() || !this.deserializers.isEmpty()) {
SimpleModule module = new SimpleModule();
addSerializers(module);
addDeserializers(module);
objectMapper.registerModule(module);
}
customizeDefaultFeatures(objectMapper);
for (Object feature : this.features.keySet()) {
configureFeature(objectMapper, feature, this.features.get(feature));
}
if (this.handlerInstantiator != null) {
objectMapper.setHandlerInstantiator(this.handlerInstantiator);
} else if (this.applicationContext != null) {
objectMapper.setHandlerInstantiator(
new SpringHandlerInstantiator(this.applicationContext.getAutowireCapableBeanFactory()));
}
}