/**
* Method called to serialize fields, when the value type is statically known, so that value
* serializer is passed and does not need to be fetched from provider.
*/
public void serializeFieldsUsing(
Map<?, ?> value, JsonGenerator gen, SerializerProvider provider, JsonSerializer<Object> ser)
throws IOException {
final JsonSerializer<Object> keySerializer = _keySerializer;
final Set<String> ignored = _ignoredEntries;
final TypeSerializer typeSer = _valueTypeSerializer;
for (Map.Entry<?, ?> entry : value.entrySet()) {
Object keyElem = entry.getKey();
if (ignored != null && ignored.contains(keyElem)) continue;
if (keyElem == null) {
provider.findNullKeySerializer(_keyType, _property).serialize(null, gen, provider);
} else {
keySerializer.serialize(keyElem, gen, provider);
}
final Object valueElem = entry.getValue();
if (valueElem == null) {
provider.defaultSerializeNull(gen);
} else {
try {
if (typeSer == null) {
ser.serialize(valueElem, gen, provider);
} else {
ser.serializeWithType(valueElem, gen, provider, typeSer);
}
} catch (Exception e) {
wrapAndThrow(provider, e, value, String.valueOf(keyElem));
}
}
}
}
protected void _writeNullKeyedEntry(JsonGenerator gen, SerializerProvider provider, Object value)
throws IOException {
JsonSerializer<Object> keySerializer = provider.findNullKeySerializer(_keyType, _property);
JsonSerializer<Object> valueSer;
if (value == null) {
if (_suppressNulls) {
return;
}
valueSer = provider.getDefaultNullValueSerializer();
} else {
valueSer = _valueSerializer;
if (valueSer == null) {
valueSer = _findSerializer(provider, value);
}
if (_suppressableValue == MARKER_FOR_EMPTY) {
if (valueSer.isEmpty(provider, value)) {
return;
}
} else if ((_suppressableValue != null) && (_suppressableValue.equals(value))) {
return;
}
}
try {
keySerializer.serialize(null, gen, provider);
valueSer.serialize(value, gen, provider);
} catch (Exception e) {
wrapAndThrow(provider, e, value, "");
}
}
/**
* restore listenable future.
*
* @param identifierUris the identifierUris
* @return the listenable future
*/
public ListenableFuture<Application> restore(java.util.List<String> identifierUris) {
JsonSerializer serializer = getResolver().getJsonSerializer();
String serializedidentifierUris = serializer.serialize(identifierUris);
ListenableFuture<String> future = restoreRaw(serializedidentifierUris);
return transformToEntityListenableFuture(future, Application.class, getResolver());
}
/**
* Helper method used when we have a JSON Filter to use for potentially filtering out Map entries.
*
* @since 2.5
*/
public void serializeFilteredFields(
Map<?, ?> value,
JsonGenerator gen,
SerializerProvider provider,
PropertyFilter filter,
Object suppressableValue) // since 2.5
throws IOException {
final Set<String> ignored = _ignoredEntries;
final MapProperty prop = new MapProperty(_valueTypeSerializer, _property);
final boolean checkEmpty = (MARKER_FOR_EMPTY == suppressableValue);
for (Map.Entry<?, ?> entry : value.entrySet()) {
// First, serialize key; unless ignorable by key
final Object keyElem = entry.getKey();
if (ignored != null && ignored.contains(keyElem)) continue;
JsonSerializer<Object> keySerializer;
if (keyElem == null) {
keySerializer = provider.findNullKeySerializer(_keyType, _property);
} else {
keySerializer = _keySerializer;
}
// or by value; nulls often suppressed
final Object valueElem = entry.getValue();
JsonSerializer<Object> valueSer;
// And then value
if (valueElem == null) {
if (_suppressNulls) {
continue;
}
valueSer = provider.getDefaultNullValueSerializer();
} else {
valueSer = _valueSerializer;
if (valueSer == null) {
valueSer = _findSerializer(provider, valueElem);
}
// also may need to skip non-empty values:
if (checkEmpty) {
if (valueSer.isEmpty(provider, valueElem)) {
continue;
}
} else if (suppressableValue != null) {
if (suppressableValue.equals(valueElem)) {
continue;
}
}
}
// and with that, ask filter to handle it
prop.reset(keyElem, keySerializer, valueSer);
try {
filter.serializeAsField(valueElem, gen, provider, prop);
} catch (Exception e) {
wrapAndThrow(provider, e, value, String.valueOf(keyElem));
}
}
}
@Override
public boolean isEmpty(SerializerProvider prov, Map<?, ?> value) {
if (value.isEmpty()) {
return true;
}
// 05-Nove-2015, tatu: Simple cases are cheap, but for recursive
// emptiness checking we actually need to see if values are empty as well.
Object supp = _suppressableValue;
if ((supp == null) && !_suppressNulls) {
return false;
}
JsonSerializer<Object> valueSer = _valueSerializer;
final boolean checkEmpty = (MARKER_FOR_EMPTY == supp);
if (valueSer != null) {
for (Object elemValue : value.values()) {
if (elemValue == null) {
if (_suppressNulls) {
continue;
}
return false;
}
if (checkEmpty) {
if (!valueSer.isEmpty(prov, elemValue)) {
return false;
}
} else if ((supp == null) || !supp.equals(value)) {
return false;
}
}
return true;
}
// But if not statically known, try this:
for (Object elemValue : value.values()) {
if (elemValue == null) {
if (_suppressNulls) {
continue;
}
return false;
}
try {
valueSer = _findSerializer(prov, elemValue);
} catch (JsonMappingException e) { // Ugh... can not just throw as-is, so...
// 05-Nov-2015, tatu: For now, probably best not to assume empty then
return false;
}
if (checkEmpty) {
if (!valueSer.isEmpty(prov, elemValue)) {
return false;
}
} else if ((supp == null) || !supp.equals(value)) {
return false;
}
}
return true;
}
/** Serialization method called when exclusion filtering needs to be applied. */
public void serializeOptionalFields(
Map<?, ?> value, JsonGenerator gen, SerializerProvider provider, Object suppressableValue)
throws IOException {
// If value type needs polymorphic type handling, some more work needed:
if (_valueTypeSerializer != null) {
serializeTypedFields(value, gen, provider, suppressableValue);
return;
}
final Set<String> ignored = _ignoredEntries;
final boolean checkEmpty = (MARKER_FOR_EMPTY == suppressableValue);
for (Map.Entry<?, ?> entry : value.entrySet()) {
// First find key serializer
final Object keyElem = entry.getKey();
JsonSerializer<Object> keySerializer;
if (keyElem == null) {
keySerializer = provider.findNullKeySerializer(_keyType, _property);
} else {
if (ignored != null && ignored.contains(keyElem)) continue;
keySerializer = _keySerializer;
}
// Then value serializer
final Object valueElem = entry.getValue();
JsonSerializer<Object> valueSer;
if (valueElem == null) {
if (_suppressNulls) { // all suppressions include null-suppression
continue;
}
valueSer = provider.getDefaultNullValueSerializer();
} else {
valueSer = _valueSerializer;
if (valueSer == null) {
valueSer = _findSerializer(provider, valueElem);
}
// also may need to skip non-empty values:
if (checkEmpty) {
if (valueSer.isEmpty(provider, valueElem)) {
continue;
}
} else if (suppressableValue != null) {
if (suppressableValue.equals(valueElem)) {
continue;
}
}
}
// and then serialize, if all went well
try {
keySerializer.serialize(keyElem, gen, provider);
valueSer.serialize(valueElem, gen, provider);
} catch (Exception e) {
wrapAndThrow(provider, e, value, String.valueOf(keyElem));
}
}
}
/** Method called to serialize fields, when the value type is not statically known. */
public void serializeFields(Map<?, ?> value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonGenerationException {
// If value type needs polymorphic type handling, some more work needed:
if (_valueTypeSerializer != null) {
serializeTypedFields(value, jgen, provider);
return;
}
final JsonSerializer<Object> keySerializer = _keySerializer;
final HashSet<String> ignored = _ignoredEntries;
final boolean skipNulls = !provider.isEnabled(SerializationFeature.WRITE_NULL_MAP_VALUES);
PropertySerializerMap serializers = _dynamicValueSerializers;
for (Map.Entry<?, ?> entry : value.entrySet()) {
Object valueElem = entry.getValue();
// First, serialize key
Object keyElem = entry.getKey();
if (keyElem == null) {
provider.findNullKeySerializer(_keyType, _property).serialize(null, jgen, provider);
} else {
// [JACKSON-314] skip entries with null values?
if (skipNulls && valueElem == null) continue;
// One twist: is entry ignorable? If so, skip
if (ignored != null && ignored.contains(keyElem)) continue;
keySerializer.serialize(keyElem, jgen, provider);
}
// And then value
if (valueElem == null) {
provider.defaultSerializeNull(jgen);
} else {
Class<?> cc = valueElem.getClass();
JsonSerializer<Object> serializer = serializers.serializerFor(cc);
if (serializer == null) {
if (_valueType.hasGenericTypes()) {
serializer =
_findAndAddDynamic(
serializers, provider.constructSpecializedType(_valueType, cc), provider);
} else {
serializer = _findAndAddDynamic(serializers, cc, provider);
}
serializers = _dynamicValueSerializers;
}
try {
serializer.serialize(valueElem, jgen, provider);
} catch (Exception e) {
// [JACKSON-55] Need to add reference information
String keyDesc = "" + keyElem;
wrapAndThrow(provider, e, value, keyDesc);
}
}
}
}
/** Helper method that encapsulates logic of retrieving and caching required serializer. */
protected final JsonSerializer<Object> _findCachedSerializer(
SerializerProvider provider, Class<?> type) throws JsonMappingException {
JsonSerializer<Object> ser = _dynamicSerializers.serializerFor(type);
if (ser == null) {
ser = _findSerializer(provider, type, _property);
if (_unwrapper != null) {
ser = ser.unwrappingSerializer(_unwrapper);
}
_dynamicSerializers = _dynamicSerializers.newWith(type, ser);
}
return ser;
}
@Override
public JsonSerializer<Optional<?>> unwrappingSerializer(NameTransformer transformer) {
JsonSerializer<Object> ser = _valueSerializer;
if (ser != null) {
ser = ser.unwrappingSerializer(transformer);
}
NameTransformer unwrapper =
(_unwrapper == null)
? transformer
: NameTransformer.chainedTransformer(transformer, _unwrapper);
return withResolved(_property, _valueTypeSerializer, ser, unwrapper, _contentInclusion);
}
/** @since 2.5 */
public void serializeTypedFields(
Map<?, ?> value,
JsonGenerator gen,
SerializerProvider provider,
Object suppressableValue) // since 2.5
throws IOException {
final Set<String> ignored = _ignoredEntries;
final boolean checkEmpty = (MARKER_FOR_EMPTY == suppressableValue);
for (Map.Entry<?, ?> entry : value.entrySet()) {
Object keyElem = entry.getKey();
JsonSerializer<Object> keySerializer;
if (keyElem == null) {
keySerializer = provider.findNullKeySerializer(_keyType, _property);
} else {
// One twist: is entry ignorable? If so, skip
if (ignored != null && ignored.contains(keyElem)) continue;
keySerializer = _keySerializer;
}
final Object valueElem = entry.getValue();
// And then value
JsonSerializer<Object> valueSer;
if (valueElem == null) {
if (_suppressNulls) { // all suppression include null suppression
continue;
}
valueSer = provider.getDefaultNullValueSerializer();
} else {
valueSer = _valueSerializer;
if (valueSer == null) {
valueSer = _findSerializer(provider, valueElem);
}
// also may need to skip non-empty values:
if (checkEmpty) {
if (valueSer.isEmpty(provider, valueElem)) {
continue;
}
} else if (suppressableValue != null) {
if (suppressableValue.equals(valueElem)) {
continue;
}
}
}
keySerializer.serialize(keyElem, gen, provider);
try {
valueSer.serializeWithType(valueElem, gen, provider, _valueTypeSerializer);
} catch (Exception e) {
wrapAndThrow(provider, e, value, String.valueOf(keyElem));
}
}
}
public static void main(final String[] args) throws Exception {
final String input = "<person><name>John</name></person>";
final Element elem = toXml(input).getDocumentElement();
System.out.println("INPUT: " + toString(elem));
final JsonSerializer<Element> xmlSerialization = new XMLJsonSerializer();
final StringWriter sw = new StringWriter();
xmlSerialization.toJson(new JsonWriter(sw), elem);
System.out.println("OUTPUT: " + sw);
}
@Override
public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint)
throws JsonMappingException {
JsonSerializer<?> ser = _valueSerializer;
if (ser == null) {
// 28-Sep-2015, tatu: as per [datatype-guava#83] need to ensure we don't
// accidentally drop parameterization
ser = _findSerializer(visitor.getProvider(), _referredType, _property);
if (_unwrapper != null) {
ser = ser.unwrappingSerializer(_unwrapper);
}
}
ser.acceptJsonFormatVisitor(visitor, _referredType);
}
protected JsonSchema propertySchema(BeanProperty prop) throws JsonMappingException {
if (prop == null) {
throw new IllegalArgumentException("Null property");
}
SchemaFactoryWrapper visitor = wrapperFactory.getWrapper(getProvider());
JsonSerializer<Object> ser = getSer(prop);
if (ser != null) {
JavaType type = prop.getType();
if (type == null) {
throw new IllegalStateException("Missing type for property '" + prop.getName() + "'");
}
ser.acceptJsonFormatVisitor(visitor, type);
}
return visitor.finalSchema();
}
public final void defaultSerializeNull(JsonGenerator gen) throws IOException {
if (_stdNullValueSerializer) { // minor perf optimization
gen.writeNull();
} else {
_nullValueSerializer.serialize(null, gen, this);
}
}
/**
* The method to be called by {@link ObjectMapper} and {@link ObjectWriter} for serializing given
* value, using serializers that this provider has access to (via caching and/or creating new
* serializers as need be).
*/
public void serializeValue(JsonGenerator jgen, Object value)
throws IOException, JsonGenerationException {
JsonSerializer<Object> ser;
final boolean wrap;
if (value == null) { // no type provided; must just use the default null serializer
ser = getDefaultNullValueSerializer();
wrap = false; // no name to use for wrapping; can't do!
} else {
Class<?> cls = value.getClass();
// true, since we do want to cache root-level typed serializers (ditto for null property)
ser = findTypedValueSerializer(cls, true, null);
// Ok: should we wrap result in an additional property ("root name")?
String rootName = _config.getRootName();
if (rootName == null) { // not explicitly specified
// [JACKSON-163]
wrap = _config.isEnabled(SerializationFeature.WRAP_ROOT_VALUE);
if (wrap) {
jgen.writeStartObject();
jgen.writeFieldName(_rootNames.findRootName(value.getClass(), _config));
}
} else if (rootName.length() == 0) {
wrap = false;
} else { // [JACKSON-764]
// empty String means explicitly disabled; non-empty that it is enabled
wrap = true;
jgen.writeStartObject();
jgen.writeFieldName(rootName);
}
}
try {
ser.serialize(value, jgen, this);
if (wrap) {
jgen.writeEndObject();
}
} catch (IOException ioe) { // As per [JACKSON-99], pass IOException and subtypes as-is
throw ioe;
} catch (Exception e) { // but wrap RuntimeExceptions, to get path information
String msg = e.getMessage();
if (msg == null) {
msg = "[no message for " + e.getClass().getName() + "]";
}
throw new JsonMappingException(msg, e);
}
}
/** objTypePair.getObject() must not be null */
@SuppressWarnings({"unchecked", "rawtypes"})
private JsonElement findAndInvokeCustomSerializer(ObjectTypePair objTypePair) {
Pair<JsonSerializer<?>, ObjectTypePair> pair = objTypePair.getMatchingHandler(serializers);
if (pair == null) {
return null;
}
JsonSerializer serializer = pair.first;
objTypePair = pair.second;
start(objTypePair);
try {
JsonElement element =
serializer.serialize(objTypePair.getObject(), objTypePair.getType(), context);
return element == null ? JsonNull.createJsonNull() : element;
} finally {
end(objTypePair);
}
}
protected void serializeTypedFields(
Map<?, ?> value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonGenerationException {
final JsonSerializer<Object> keySerializer = _keySerializer;
JsonSerializer<Object> prevValueSerializer = null;
Class<?> prevValueClass = null;
final HashSet<String> ignored = _ignoredEntries;
final boolean skipNulls = !provider.isEnabled(SerializationFeature.WRITE_NULL_MAP_VALUES);
for (Map.Entry<?, ?> entry : value.entrySet()) {
Object valueElem = entry.getValue();
// First, serialize key
Object keyElem = entry.getKey();
if (keyElem == null) {
provider.findNullKeySerializer(_keyType, _property).serialize(null, jgen, provider);
} else {
// [JACKSON-314] also may need to skip entries with null values
if (skipNulls && valueElem == null) continue;
// One twist: is entry ignorable? If so, skip
if (ignored != null && ignored.contains(keyElem)) continue;
keySerializer.serialize(keyElem, jgen, provider);
}
// And then value
if (valueElem == null) {
provider.defaultSerializeNull(jgen);
} else {
Class<?> cc = valueElem.getClass();
JsonSerializer<Object> currSerializer;
if (cc == prevValueClass) {
currSerializer = prevValueSerializer;
} else {
currSerializer = provider.findValueSerializer(cc, _property);
prevValueSerializer = currSerializer;
prevValueClass = cc;
}
try {
currSerializer.serializeWithType(valueElem, jgen, provider, _valueTypeSerializer);
} catch (Exception e) {
// [JACKSON-55] Need to add reference information
String keyDesc = "" + keyElem;
wrapAndThrow(provider, e, value, keyDesc);
}
}
}
}
private final void serializeUsingCustom(
List<String> value, JsonGenerator jgen, SerializerProvider provider, int len)
throws IOException, JsonGenerationException {
int i = 0;
try {
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 boolean isEmpty(SerializerProvider provider, Optional<?> value) {
if ((value == null) || !value.isPresent()) {
return true;
}
if (_contentInclusion == null) {
return false;
}
Object contents = value.get();
JsonSerializer<Object> ser = _valueSerializer;
if (ser == null) {
try {
ser = _findCachedSerializer(provider, value.getClass());
} catch (JsonMappingException e) { // nasty but necessary
throw new RuntimeJsonMappingException(e);
}
}
return ser.isEmpty(provider, contents);
}
@Override
public void serialize(Optional<?> opt, JsonGenerator gen, SerializerProvider provider)
throws IOException {
if (!opt.isPresent()) {
// 22-Oct-2015, tatu: With unwrapping we can not serialize value, just key/value pairs so:
if (_unwrapper == null) {
provider.defaultSerializeNull(gen);
}
return;
}
Object value = opt.get();
JsonSerializer<Object> ser = _valueSerializer;
if (ser == null) {
ser = _findCachedSerializer(provider, value.getClass());
}
if (_valueTypeSerializer != null) {
ser.serializeWithType(value, gen, provider, _valueTypeSerializer);
} else {
ser.serialize(value, gen, provider);
}
}
/**
* Convenience method that will serialize given value (which can be null) using standard
* serializer locating functionality. It can be called for all values including field and Map
* values, but usually field values are best handled calling {@link #defaultSerializeField}
* instead.
*/
public final void defaultSerializeValue(Object value, JsonGenerator gen) throws IOException {
if (value == null) {
if (_stdNullValueSerializer) { // minor perf optimization
gen.writeNull();
} else {
_nullValueSerializer.serialize(null, gen, this);
}
} else {
Class<?> cls = value.getClass();
findTypedValueSerializer(cls, true, null).serialize(value, gen, this);
}
}
/**
* General-purpose serialization for contents, where we do not necessarily know the value
* serialization, but we do know that no value suppression is needed (which simplifies processing
* a bit)
*/
public void serializeFields(Map<?, ?> value, JsonGenerator gen, SerializerProvider provider)
throws IOException {
// If value type needs polymorphic type handling, some more work needed:
if (_valueTypeSerializer != null) {
serializeTypedFields(value, gen, provider, null);
return;
}
final JsonSerializer<Object> keySerializer = _keySerializer;
final Set<String> ignored = _ignoredEntries;
Object keyElem = null;
try {
for (Map.Entry<?, ?> entry : value.entrySet()) {
Object valueElem = entry.getValue();
// First, serialize key
keyElem = entry.getKey();
if (keyElem == null) {
provider.findNullKeySerializer(_keyType, _property).serialize(null, gen, provider);
} else {
// One twist: is entry ignorable? If so, skip
if ((ignored != null) && ignored.contains(keyElem)) {
continue;
}
keySerializer.serialize(keyElem, gen, provider);
}
// And then value
if (valueElem == null) {
provider.defaultSerializeNull(gen);
continue;
}
JsonSerializer<Object> serializer = _valueSerializer;
if (serializer == null) {
serializer = _findSerializer(provider, valueElem);
}
serializer.serialize(valueElem, gen, provider);
}
} catch (Exception e) { // Add reference information
wrapAndThrow(provider, e, value, String.valueOf(keyElem));
}
}
/**
* Helper method called to see if given serializer is considered to be something returned by
* {@link #getUnknownTypeSerializer}, that is, something for which no regular serializer was found
* or constructed.
*
* @since 2.5
*/
public boolean isUnknownTypeSerializer(JsonSerializer<?> ser) {
if ((ser == _unknownTypeSerializer) || (ser == null)) {
return true;
}
// 23-Apr-2015, tatu: "empty" serializer is trickier; needs to consider
// error handling
if (isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS)) {
if (ser.getClass() == UnknownSerializer.class) {
return true;
}
}
return false;
}
@Override
public void configure(Map<String, ?> configs, boolean isKey) {
Object enableConfigsVal = configs.get(SCHEMAS_ENABLE_CONFIG);
if (enableConfigsVal != null) enableSchemas = enableConfigsVal.toString().equals("true");
serializer.configure(configs, isKey);
deserializer.configure(configs, isKey);
Object cacheSizeVal = configs.get(SCHEMAS_CACHE_SIZE_CONFIG);
if (cacheSizeVal != null) cacheSize = (int) cacheSizeVal;
fromConnectSchemaCache = new SynchronizedCache<>(new LRUCache<Schema, ObjectNode>(cacheSize));
toConnectSchemaCache = new SynchronizedCache<>(new LRUCache<JsonNode, Schema>(cacheSize));
}
@Override
public byte[] fromConnectData(String topic, Schema schema, Object value) {
JsonNode jsonValue =
enableSchemas
? convertToJsonWithEnvelope(schema, value)
: convertToJsonWithoutEnvelope(schema, value);
try {
return serializer.serialize(topic, jsonValue);
} catch (SerializationException e) {
throw new DataException(
"Converting Kafka Connect data to byte[] failed due to serialization error: ", e);
}
}
/** Send out token in JSON. */
public static void sendToken(HttpServletResponse response, Map<String, String> token) {
java.io.PrintWriter writer;
sendJsonHeaders(response);
try {
writer = response.getWriter();
writer.write(JsonSerializer.serialize(token));
writer.flush();
writer.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* The method to be called by {@link ObjectMapper} and {@link ObjectWriter} for serializing given
* value (assumed to be of specified root type, instead of runtime type of value), using
* serializers that this provider has access to (via caching and/or creating new serializers as
* need be),
*
* @param rootType Type to use for locating serializer to use, instead of actual runtime type.
* Must be actual type, or one of its super types
*/
public void serializeValue(JsonGenerator jgen, Object value, JavaType rootType)
throws IOException, JsonGenerationException {
final boolean wrap;
JsonSerializer<Object> ser;
if (value == null) {
ser = getDefaultNullValueSerializer();
wrap = false;
} else {
// Let's ensure types are compatible at this point
if (!rootType.getRawClass().isAssignableFrom(value.getClass())) {
_reportIncompatibleRootType(value, rootType);
}
// root value, not reached via property:
ser = findTypedValueSerializer(rootType, true, null);
// [JACKSON-163]
wrap = _config.isEnabled(SerializationFeature.WRAP_ROOT_VALUE);
if (wrap) {
jgen.writeStartObject();
jgen.writeFieldName(_rootNames.findRootName(rootType, _config));
}
}
try {
ser.serialize(value, jgen, this);
if (wrap) {
jgen.writeEndObject();
}
} catch (IOException ioe) { // no wrapping for IO (and derived)
throw ioe;
} catch (Exception e) { // but others do need to be, to get path etc
String msg = e.getMessage();
if (msg == null) {
msg = "[no message for " + e.getClass().getName() + "]";
}
throw new JsonMappingException(msg, e);
}
}
/**
* Method called to serialize fields, when the value type is statically known, so that value
* serializer is passed and does not need to be fetched from provider.
*/
protected void serializeFieldsUsing(
Map<?, ?> value, JsonGenerator jgen, SerializerProvider provider, JsonSerializer<Object> ser)
throws IOException, JsonGenerationException {
final JsonSerializer<Object> keySerializer = _keySerializer;
final HashSet<String> ignored = _ignoredEntries;
final TypeSerializer typeSer = _valueTypeSerializer;
final boolean skipNulls = !provider.isEnabled(SerializationFeature.WRITE_NULL_MAP_VALUES);
for (Map.Entry<?, ?> entry : value.entrySet()) {
Object valueElem = entry.getValue();
Object keyElem = entry.getKey();
if (keyElem == null) {
provider.findNullKeySerializer(_keyType, _property).serialize(null, jgen, provider);
} else {
// [JACKSON-314] also may need to skip entries with null values
if (skipNulls && valueElem == null) continue;
if (ignored != null && ignored.contains(keyElem)) continue;
keySerializer.serialize(keyElem, jgen, provider);
}
if (valueElem == null) {
provider.defaultSerializeNull(jgen);
} else {
try {
if (typeSer == null) {
ser.serialize(valueElem, jgen, provider);
} else {
ser.serializeWithType(valueElem, jgen, provider, typeSer);
}
} catch (Exception e) {
// [JACKSON-55] Need to add reference information
String keyDesc = "" + keyElem;
wrapAndThrow(provider, e, value, keyDesc);
}
}
}
}
/**
* Convenience method that will serialize given field with specified value. Value may be null.
* Serializer is done using the usual null) using standard serializer locating functionality.
*/
public final void defaultSerializeField(String fieldName, Object value, JsonGenerator gen)
throws IOException {
gen.writeFieldName(fieldName);
if (value == null) {
/* Note: can't easily check for suppression at this point
* any more; caller must check it.
*/
if (_stdNullValueSerializer) { // minor perf optimization
gen.writeNull();
} else {
_nullValueSerializer.serialize(null, gen, this);
}
} else {
Class<?> cls = value.getClass();
findTypedValueSerializer(cls, true, null).serialize(value, gen, this);
}
}
public final void write(JsonWriter jsonwriter, Object obj)
{
if (a == null)
{
a().write(jsonwriter, obj);
return;
}
if (obj == null)
{
jsonwriter.nullValue();
return;
} else
{
Streams.write(a.serialize(obj, d.getType(), c.serializationContext), jsonwriter);
return;
}
}
