/** Unit test to check for regression of [JACKSON-18]. */
public void testSmallNumbers() throws Exception {
ObjectMapper mapper = new ObjectMapper();
ArrayNode root = mapper.createArrayNode();
for (int i = -20; i <= 20; ++i) {
JsonNode n = root.numberNode(i);
root.add(n);
// Hmmh. Not sure why toString() won't be triggered otherwise...
assertEquals(String.valueOf(i), n.toString());
}
// Loop over 2 different serialization methods
for (int type = 0; type < 2; ++type) {
StringWriter sw = new StringWriter();
if (type == 0) {
JsonGenerator gen = new JsonFactory().createGenerator(sw);
root.serialize(gen, null);
gen.close();
} else {
mapper.writeValue(sw, root);
}
String doc = sw.toString();
JsonParser p = new JsonFactory().createParser(new StringReader(doc));
assertEquals(JsonToken.START_ARRAY, p.nextToken());
for (int i = -20; i <= 20; ++i) {
assertEquals(JsonToken.VALUE_NUMBER_INT, p.nextToken());
assertEquals(i, p.getIntValue());
assertEquals("" + i, p.getText());
}
assertEquals(JsonToken.END_ARRAY, p.nextToken());
p.close();
}
}
@Override
public EnumMap<?, ?> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
// Ok: must point to START_OBJECT
if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
return _deserializeFromEmpty(jp, ctxt);
}
EnumMap result = constructMap();
final JsonDeserializer<Object> valueDes = _valueDeserializer;
final TypeDeserializer typeDeser = _valueTypeDeserializer;
while ((jp.nextToken()) == JsonToken.FIELD_NAME) {
String keyName = jp.getCurrentName(); // just for error message
// but we need to let key deserializer handle it separately, nonetheless
Enum<?> key = (Enum<?>) _keyDeserializer.deserializeKey(keyName, ctxt);
if (key == null) {
if (!ctxt.isEnabled(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL)) {
throw ctxt.weirdStringException(
keyName,
_enumClass,
"value not one of declared Enum instance names for " + _mapType.getKeyType());
}
/* 24-Mar-2012, tatu: Null won't work as a key anyway, so let's
* just skip the entry then. But we must skip the value as well, if so.
*/
jp.nextToken();
jp.skipChildren();
continue;
}
// And then the value...
JsonToken t = jp.nextToken();
/* note: MUST check for nulls separately: deserializers will
* not handle them (and maybe fail or return bogus data)
*/
Object value;
try {
if (t == JsonToken.VALUE_NULL) {
value = valueDes.getNullValue(ctxt);
} else if (typeDeser == null) {
value = valueDes.deserialize(jp, ctxt);
} else {
value = valueDes.deserializeWithType(jp, ctxt, typeDeser);
}
} catch (Exception e) {
wrapAndThrow(e, result, keyName);
return null;
}
result.put(key, value);
}
return result;
}
@Override
public Collection<String> deserialize(
JsonParser jp, DeserializationContext ctxt, Collection<String> result) throws IOException {
// Ok: must point to START_ARRAY
if (!jp.isExpectedStartArrayToken()) {
return handleNonArray(jp, ctxt, result);
}
if (_valueDeserializer != null) {
return deserializeUsingCustom(jp, ctxt, result, _valueDeserializer);
}
JsonToken t;
while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
String value;
if (t == JsonToken.VALUE_STRING) {
value = jp.getText();
} else if (t == JsonToken.VALUE_NULL) {
value = null;
} else {
value = _parseString(jp, ctxt);
}
result.add(value);
}
return result;
}
public void testBinary() throws Exception {
ObjectMapper mapper = new ObjectMapper();
final int LENGTH = 13045;
byte[] data = new byte[LENGTH];
for (int i = 0; i < LENGTH; ++i) {
data[i] = (byte) i;
}
StringWriter sw = new StringWriter();
mapper.writeValue(sw, BinaryNode.valueOf(data));
JsonParser p = new JsonFactory().createParser(sw.toString());
// note: can't determine it's binary from json alone:
assertToken(JsonToken.VALUE_STRING, p.nextToken());
assertArrayEquals(data, p.getBinaryValue());
p.close();
}
private Collection<String> deserializeUsingCustom(
JsonParser jp,
DeserializationContext ctxt,
Collection<String> result,
final JsonDeserializer<String> deser)
throws IOException {
JsonToken t;
while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
String value;
if (t == JsonToken.VALUE_NULL) {
value = deser.getNullValue();
} else {
value = deser.deserialize(jp, ctxt);
}
result.add(value);
}
return result;
}
protected final double _testRawDeser(int reps, byte[] json, ObjectReader reader)
throws IOException {
long start = System.nanoTime();
final JsonFactory f = reader.getFactory();
while (--reps >= 0) {
JsonParser p = f.createParser(new ByteArrayInputStream(json));
JsonToken t;
while ((t = p.nextToken()) != null) {
if (t == JsonToken.VALUE_STRING) {
p.getText();
} else if (t.isNumeric()) {
p.getNumberValue();
}
;
}
p.close();
}
hash = f.hashCode();
return _msecsFromNanos(System.nanoTime() - start);
}
@Override
public JSONArray deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException {
JSONArray array = new JSONArray();
JsonToken t;
while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
switch (t) {
case START_ARRAY:
array.put(deserialize(jp, ctxt));
continue;
case START_OBJECT:
array.put(JSONObjectDeserializer.instance.deserialize(jp, ctxt));
continue;
case VALUE_STRING:
array.put(jp.getText());
continue;
case VALUE_NULL:
array.put(JSONObject.NULL);
continue;
case VALUE_TRUE:
array.put(Boolean.TRUE);
continue;
case VALUE_FALSE:
array.put(Boolean.FALSE);
continue;
case VALUE_NUMBER_INT:
array.put(jp.getNumberValue());
continue;
case VALUE_NUMBER_FLOAT:
array.put(jp.getNumberValue());
continue;
case VALUE_EMBEDDED_OBJECT:
array.put(jp.getEmbeddedObject());
continue;
}
throw ctxt.mappingException("Urecognized or unsupported JsonToken type: " + t);
}
return array;
}
@Override
public OffsetTime deserialize(JsonParser parser, DeserializationContext context)
throws IOException {
if (parser.hasToken(JsonToken.VALUE_STRING)) {
String string = parser.getText().trim();
if (string.length() == 0) {
return null;
}
try {
return OffsetTime.parse(string, _formatter);
} catch (DateTimeException e) {
_rethrowDateTimeException(parser, context, e, string);
}
}
if (!parser.isExpectedStartArrayToken()) {
if (parser.hasToken(JsonToken.VALUE_EMBEDDED_OBJECT)) {
return (OffsetTime) parser.getEmbeddedObject();
}
throw context.wrongTokenException(parser, JsonToken.START_ARRAY, "Expected array or string.");
}
int hour = parser.nextIntValue(-1);
if (hour == -1) {
JsonToken t = parser.getCurrentToken();
if (t == JsonToken.END_ARRAY) {
return null;
}
if (t != JsonToken.VALUE_NUMBER_INT) {
_reportWrongToken(parser, context, JsonToken.VALUE_NUMBER_INT, "hours");
}
hour = parser.getIntValue();
}
int minute = parser.nextIntValue(-1);
if (minute == -1) {
JsonToken t = parser.getCurrentToken();
if (t == JsonToken.END_ARRAY) {
return null;
}
if (t != JsonToken.VALUE_NUMBER_INT) {
_reportWrongToken(parser, context, JsonToken.VALUE_NUMBER_INT, "minutes");
}
minute = parser.getIntValue();
}
int partialSecond = 0;
int second = 0;
if (parser.nextToken() == JsonToken.VALUE_NUMBER_INT) {
second = parser.getIntValue();
if (parser.nextToken() == JsonToken.VALUE_NUMBER_INT) {
partialSecond = parser.getIntValue();
if (partialSecond < 1_000
&& !context.isEnabled(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS)) {
partialSecond *= 1_000_000; // value is milliseconds, convert it to nanoseconds
}
parser.nextToken();
}
}
if (parser.getCurrentToken() == JsonToken.VALUE_STRING) {
OffsetTime t =
OffsetTime.of(hour, minute, second, partialSecond, ZoneOffset.of(parser.getText()));
if (parser.nextToken() != JsonToken.END_ARRAY) {
_reportWrongToken(parser, context, JsonToken.END_ARRAY, "timezone");
}
return t;
}
throw context.wrongTokenException(
parser, JsonToken.VALUE_STRING, "Expected string for TimeZone after numeric values");
}
private void verifyFromMap(String input) throws Exception {
JsonParser p = new JsonFactory().createParser(input);
assertEquals(JsonToken.START_OBJECT, p.nextToken());
assertEquals(JsonToken.FIELD_NAME, p.nextToken());
assertEquals(FIELD4, getAndVerifyText(p));
assertEquals(JsonToken.VALUE_STRING, p.nextToken());
assertEquals(TEXT2, getAndVerifyText(p));
assertEquals(JsonToken.FIELD_NAME, p.nextToken());
assertEquals(FIELD3, getAndVerifyText(p));
assertEquals(JsonToken.VALUE_NUMBER_INT, p.nextToken());
assertEquals(-1, p.getIntValue());
assertEquals(JsonToken.FIELD_NAME, p.nextToken());
assertEquals(FIELD2, getAndVerifyText(p));
assertEquals(JsonToken.START_ARRAY, p.nextToken());
assertEquals(JsonToken.END_ARRAY, p.nextToken());
assertEquals(JsonToken.FIELD_NAME, p.nextToken());
assertEquals(FIELD1, getAndVerifyText(p));
assertEquals(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
assertEquals(DOUBLE_VALUE, p.getDoubleValue(), 0);
assertEquals(JsonToken.END_OBJECT, p.nextToken());
assertNull(p.nextToken());
p.close();
}
private void verifyFromArray(String input) throws Exception {
JsonParser p = new JsonFactory().createParser(new StringReader(input));
assertEquals(JsonToken.START_ARRAY, p.nextToken());
assertEquals(JsonToken.VALUE_STRING, p.nextToken());
assertEquals(TEXT1, getAndVerifyText(p));
assertEquals(JsonToken.VALUE_NUMBER_INT, p.nextToken());
assertEquals(3, p.getIntValue());
assertEquals(JsonToken.START_OBJECT, p.nextToken());
assertEquals(JsonToken.FIELD_NAME, p.nextToken());
assertEquals(FIELD1, getAndVerifyText(p));
assertEquals(JsonToken.VALUE_TRUE, p.nextToken());
assertEquals(JsonToken.FIELD_NAME, p.nextToken());
assertEquals(FIELD2, getAndVerifyText(p));
assertEquals(JsonToken.START_ARRAY, p.nextToken());
assertEquals(JsonToken.END_ARRAY, p.nextToken());
assertEquals(JsonToken.END_OBJECT, p.nextToken());
assertEquals(JsonToken.VALUE_FALSE, p.nextToken());
assertEquals(JsonToken.END_ARRAY, p.nextToken());
assertNull(p.nextToken());
p.close();
}