public FieldSerializer(Class<?> beanType, FieldInfo fieldInfo) {
this.fieldInfo = fieldInfo;
this.fieldContext = new BeanContext(beanType, fieldInfo);
fieldInfo.setAccessible();
this.double_quoted_fieldPrefix = '"' + fieldInfo.name + "\":";
boolean writeNull = false;
JSONField annotation = fieldInfo.getAnnotation();
if (annotation != null) {
for (SerializerFeature feature : annotation.serialzeFeatures()) {
if ((feature.getMask() & SerializerFeature.WRITE_MAP_NULL_FEATURES) != 0) {
writeNull = true;
break;
}
}
format = annotation.format();
if (format.trim().length() == 0) {
format = null;
}
for (SerializerFeature feature : annotation.serialzeFeatures()) {
if (feature == SerializerFeature.WriteEnumUsingToString) {
writeEnumUsingToString = true;
} else if (feature == SerializerFeature.WriteEnumUsingName) {
writeEnumUsingName = true;
}
}
features = SerializerFeature.of(annotation.serialzeFeatures());
}
this.writeNull = writeNull;
}
public Object getPropertyValue(Object object)
throws InvocationTargetException, IllegalAccessException {
return fieldInfo.get(object);
}
public void writeValue(JSONSerializer serializer, Object propertyValue) throws Exception {
if (runtimeInfo == null) {
Class<?> runtimeFieldClass;
if (propertyValue == null) {
runtimeFieldClass = this.fieldInfo.fieldClass;
} else {
runtimeFieldClass = propertyValue.getClass();
}
ObjectSerializer fieldSerializer;
JSONField fieldAnnotation = fieldInfo.getAnnotation();
if (fieldAnnotation != null && fieldAnnotation.serializeUsing() != Void.class) {
fieldSerializer = (ObjectSerializer) fieldAnnotation.serializeUsing().newInstance();
} else {
fieldSerializer = serializer.getObjectWriter(runtimeFieldClass);
}
runtimeInfo = new RuntimeSerializerInfo(fieldSerializer, runtimeFieldClass);
}
final RuntimeSerializerInfo runtimeInfo = this.runtimeInfo;
final int fieldFeatures = fieldInfo.serialzeFeatures;
if (propertyValue == null) {
Class<?> runtimeFieldClass = runtimeInfo.runtimeFieldClass;
SerializeWriter out = serializer.out;
if (Number.class.isAssignableFrom(runtimeFieldClass)) {
out.writeNull(features, SerializerFeature.WriteNullNumberAsZero.mask);
return;
} else if (String.class == runtimeFieldClass) {
out.writeNull(features, SerializerFeature.WriteNullStringAsEmpty.mask);
return;
} else if (Boolean.class == runtimeFieldClass) {
out.writeNull(features, SerializerFeature.WriteNullBooleanAsFalse.mask);
return;
} else if (Collection.class.isAssignableFrom(runtimeFieldClass)) {
out.writeNull(features, SerializerFeature.WriteNullListAsEmpty.mask);
return;
}
ObjectSerializer fieldSerializer = runtimeInfo.fieldSerializer;
if ((out.isEnabled(SerializerFeature.WRITE_MAP_NULL_FEATURES))
&& fieldSerializer instanceof JavaBeanSerializer) {
out.writeNull();
return;
}
fieldSerializer.write(serializer, null, fieldInfo.name, fieldInfo.fieldType, fieldFeatures);
return;
}
if (fieldInfo.isEnum) {
if (writeEnumUsingName) {
serializer.out.writeString(((Enum<?>) propertyValue).name());
return;
}
if (writeEnumUsingToString) {
serializer.out.writeString(((Enum<?>) propertyValue).toString());
return;
}
}
Class<?> valueClass = propertyValue.getClass();
ObjectSerializer valueSerializer;
if (valueClass == runtimeInfo.runtimeFieldClass) {
valueSerializer = runtimeInfo.fieldSerializer;
} else {
valueSerializer = serializer.getObjectWriter(valueClass);
}
if (format != null) {
if (valueSerializer instanceof ContextObjectSerializer) {
((ContextObjectSerializer) valueSerializer)
.write(serializer, propertyValue, this.fieldContext);
} else {
serializer.writeWithFormat(propertyValue, format);
}
} else {
valueSerializer.write(
serializer, propertyValue, fieldInfo.name, fieldInfo.fieldType, fieldFeatures);
}
}
@SuppressWarnings("unchecked")
public static Object toJSON(Object javaObject, ParserConfig mapping) {
if (javaObject == null) {
return null;
}
if (javaObject instanceof JSON) {
return javaObject;
}
if (javaObject instanceof Map) {
Map<Object, Object> map = (Map<Object, Object>) javaObject;
JSONObject json = new JSONObject(map.size());
for (Map.Entry<Object, Object> entry : map.entrySet()) {
Object key = entry.getKey();
String jsonKey = TypeUtils.castToString(key);
Object jsonValue = toJSON(entry.getValue());
json.put(jsonKey, jsonValue);
}
return json;
}
if (javaObject instanceof Collection) {
Collection<Object> collection = (Collection<Object>) javaObject;
JSONArray array = new JSONArray(collection.size());
for (Object item : collection) {
Object jsonValue = toJSON(item);
array.add(jsonValue);
}
return array;
}
Class<?> clazz = javaObject.getClass();
if (clazz.isEnum()) {
return ((Enum<?>) javaObject).name();
}
if (clazz.isArray()) {
int len = Array.getLength(javaObject);
JSONArray array = new JSONArray(len);
for (int i = 0; i < len; ++i) {
Object item = Array.get(javaObject, i);
Object jsonValue = toJSON(item);
array.add(jsonValue);
}
return array;
}
if (mapping.isPrimitive(clazz)) {
return javaObject;
}
try {
List<FieldInfo> getters = TypeUtils.computeGetters(clazz, null);
JSONObject json = new JSONObject(getters.size());
for (FieldInfo field : getters) {
Object value = field.get(javaObject);
Object jsonValue = toJSON(value);
json.put(field.getName(), jsonValue);
}
return json;
} catch (IllegalAccessException e) {
throw new JSONException("toJSON error", e);
} catch (InvocationTargetException e) {
throw new JSONException("toJSON error", e);
}
}