public void testSimpleOrderingForDeserialization() {
POJOPropertiesCollector coll = collector(mapper, SortedProperties.class, false);
List<BeanPropertyDefinition> props = coll.getProperties();
assertEquals(4, props.size());
assertEquals("a", props.get(0).getName());
assertEquals("b", props.get(1).getName());
assertEquals("c", props.get(2).getName());
assertEquals("d", props.get(3).getName());
}
public void testSimpleWithType() {
// first for serialization; should base choice on getter
POJOPropertiesCollector coll = collector(mapper, TypeTestBean.class, true);
List<BeanPropertyDefinition> props = coll.getProperties();
assertEquals(1, props.size());
assertEquals("value", props.get(0).getName());
AnnotatedMember m = props.get(0).getAccessor();
assertTrue(m instanceof AnnotatedMethod);
assertEquals(Integer.class, m.getRawType());
// then for deserialization; prefer ctor param
coll = collector(mapper, TypeTestBean.class, false);
props = coll.getProperties();
assertEquals(1, props.size());
assertEquals("value", props.get(0).getName());
m = props.get(0).getMutator();
assertEquals(AnnotatedParameter.class, m.getClass());
assertEquals(String.class, m.getRawType());
}
@Override
public void serializeWithType(
List<String> value, JsonGenerator jgen, SerializerProvider provider, TypeSerializer typeSer)
throws IOException, JsonGenerationException {
final int len = value.size();
typeSer.writeTypePrefixForArray(value, jgen);
if (_serializer == null) {
serializeContents(value, jgen, provider, len);
} else {
serializeUsingCustom(value, jgen, provider, len);
}
typeSer.writeTypeSuffixForArray(value, jgen);
}
private final void serializeContents(
List<String> value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonGenerationException {
int i = 0;
try {
final int len = value.size();
for (; i < len; ++i) {
String str = value.get(i);
if (str == null) {
provider.defaultSerializeNull(jgen);
} else {
jgen.writeString(str);
}
}
} catch (Exception e) {
wrapAndThrow(provider, e, value, i);
}
}
@Override
public void serialize(List<String> value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonGenerationException {
final int len = value.size();
// [JACKSON-805]
if ((len == 1) && provider.isEnabled(SerializationFeature.WRITE_SINGLE_ELEM_ARRAYS_UNWRAPPED)) {
_serializeUnwrapped(value, jgen, provider);
return;
}
jgen.writeStartArray();
if (_serializer == null) {
serializeContents(value, jgen, provider, len);
} else {
serializeUsingCustom(value, jgen, provider, len);
}
jgen.writeEndArray();
}
private final void serializeUsingCustom(
List<String> value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonGenerationException {
int i = 0;
try {
final int len = value.size();
final JsonSerializer<String> ser = _serializer;
for (i = 0; i < len; ++i) {
String str = value.get(i);
if (str == null) {
provider.defaultSerializeNull(jgen);
} else {
ser.serialize(str, jgen, provider);
}
}
} catch (Exception e) {
wrapAndThrow(provider, e, value, i);
}
}
@Override
public List<BeanPropertyDefinition> updateProperties(
DeserializationConfig config,
BeanDescription beanDesc,
List<BeanPropertyDefinition> propDefs) {
final AnnotationIntrospector intr = config.getAnnotationIntrospector();
int changed = 0;
for (int i = 0, len = propDefs.size(); i < len; ++i) {
BeanPropertyDefinition prop = propDefs.get(i);
AnnotatedMember acc = prop.getAccessor();
// should not be null, but just in case:
if (acc == null) {
continue;
}
// first: do we need to handle wrapping (for Lists)?
QName wrapperName = AnnotationUtil.findWrapperName(intr, acc);
if (wrapperName != null) {
String localName = wrapperName.getLocalPart();
if ((localName != null && localName.length() >= 0) && !localName.equals(prop.getName())) {
// make copy-on-write as necessary
if (changed == 0) {
propDefs = new ArrayList<BeanPropertyDefinition>(propDefs);
}
++changed;
propDefs.set(i, prop.withName(localName));
continue;
}
} else {
/* If not, how about "as text" unwrapping? Such properties
* are exposed as values of 'unnamed' fields; so one way to
* map them is to rename property to have name ""... (and
* hope this does not break other parts...)
*/
Boolean b = AnnotationUtil.findIsTextAnnotation(intr, acc);
if (b != null && b.booleanValue()) {
// unwrapped properties will appear as 'unnamed' (empty String)
propDefs.set(i, prop.withName(""));
continue;
}
}
}
return propDefs;
}
/**
* Helper method called to filter out explicit ignored properties, as well as properties that have
* "ignorable types". Note that this will not remove properties that have no setters.
*/
protected List<BeanPropertyDefinition> filterBeanProps(
DeserializationContext ctxt,
BeanDescription beanDesc,
BeanDeserializerBuilder builder,
List<BeanPropertyDefinition> propDefsIn,
Set<String> ignored)
throws JsonMappingException {
ArrayList<BeanPropertyDefinition> result =
new ArrayList<BeanPropertyDefinition>(Math.max(4, propDefsIn.size()));
HashMap<Class<?>, Boolean> ignoredTypes = new HashMap<Class<?>, Boolean>();
// These are all valid setters, but we do need to introspect bit more
for (BeanPropertyDefinition property : propDefsIn) {
String name = property.getName();
if (ignored.contains(
name)) { // explicit ignoral using @JsonIgnoreProperties needs to block entries
continue;
}
if (!property.hasConstructorParameter()) { // never skip constructor params
Class<?> rawPropertyType = null;
if (property.hasSetter()) {
rawPropertyType = property.getSetter().getRawParameterType(0);
} else if (property.hasField()) {
rawPropertyType = property.getField().getRawType();
}
// [JACKSON-429] Some types are declared as ignorable as well
if ((rawPropertyType != null)
&& (isIgnorableType(ctxt.getConfig(), beanDesc, rawPropertyType, ignoredTypes))) {
// important: make ignorable, to avoid errors if value is actually seen
builder.addIgnorable(name);
continue;
}
}
result.add(property);
}
return result;
}
private void _verifyProperty(BeanDescription beanDesc, boolean verifyDesc, boolean verifyIndex) {
assertNotNull(beanDesc);
List<BeanPropertyDefinition> props = beanDesc.findProperties();
assertEquals(2, props.size());
for (BeanPropertyDefinition prop : props) {
String name = prop.getName();
final PropertyMetadata md = prop.getMetadata();
if ("a".equals(name)) {
assertFalse(md.isRequired());
assertNull(md.getRequired());
if (verifyDesc) {
assertEquals(PropDescBean.A_DESC, md.getDescription());
}
if (verifyIndex) {
assertNull(md.getIndex());
}
} else if ("b".equals(name)) {
assertTrue(md.isRequired());
assertEquals(Boolean.TRUE, md.getRequired());
if (verifyDesc) {
assertNull(md.getDescription());
}
if (verifyIndex) {
assertEquals(Integer.valueOf(PropDescBean.B_INDEX), md.getIndex());
}
} else {
fail("Unrecognized property '" + name + "'");
}
}
}