// [JACKSON-684]
public void testAsIndex() throws Exception {
// By default, serialize using name
ObjectMapper m = new ObjectMapper();
assertFalse(m.isEnabled(SerializationFeature.WRITE_ENUMS_USING_INDEX));
assertEquals(quote("B"), m.writeValueAsString(TestEnum.B));
// but we can change (dynamically, too!) it to be number-based
m.enable(SerializationFeature.WRITE_ENUMS_USING_INDEX);
assertEquals("1", m.writeValueAsString(TestEnum.B));
}
// [databind#601]
public void testEnumsWithJsonValueInMap() throws Exception {
EnumMap<EnumWithJsonValue, String> input =
new EnumMap<EnumWithJsonValue, String>(EnumWithJsonValue.class);
input.put(EnumWithJsonValue.B, "x");
assertEquals(
"{\"" + EnumWithJsonValue.B.toString() + "\":\"x\"}", mapper.writeValueAsString(input));
}
// [JACKSON-212]
public void testToStringEnumWithEnumMap() throws Exception {
ObjectMapper m = new ObjectMapper();
m.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);
EnumMap<LowerCaseEnum, String> enums = new EnumMap<LowerCaseEnum, String>(LowerCaseEnum.class);
enums.put(LowerCaseEnum.C, "value");
assertEquals("{\"c\":\"value\"}", m.writeValueAsString(enums));
}
// [Issue#227]
public void testGenericEnumSerializer() throws Exception {
// By default, serialize using name
ObjectMapper m = new ObjectMapper();
SimpleModule module = new SimpleModule("foobar");
module.addSerializer(Enum.class, new LowerCasingEnumSerializer());
m.registerModule(module);
assertEquals(quote("b"), m.writeValueAsString(TestEnum.B));
}
// [JACKSON-212]
public void testToStringEnum() throws Exception {
ObjectMapper m = new ObjectMapper();
m.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);
assertEquals("\"b\"", m.writeValueAsString(LowerCaseEnum.B));
// [databind#749] but should also be able to dynamically disable
assertEquals(
"\"B\"",
m.writer()
.without(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
.writeValueAsString(LowerCaseEnum.B));
}
/**
* Simple test to verify that byte[] values can be handled properly when converting, as long as
* there is metadata (from POJO definitions).
*/
public void testIssue709() throws Exception {
byte[] inputData = new byte[] {1, 2, 3};
ObjectNode node = MAPPER.createObjectNode();
node.put("data", inputData);
Issue709Bean result = MAPPER.treeToValue(node, Issue709Bean.class);
String json = MAPPER.writeValueAsString(node);
Issue709Bean resultFromString = MAPPER.readValue(json, Issue709Bean.class);
Issue709Bean resultFromConvert = MAPPER.convertValue(node, Issue709Bean.class);
// all methods should work equally well:
Assert.assertArrayEquals(inputData, resultFromString.data);
Assert.assertArrayEquals(inputData, resultFromConvert.data);
Assert.assertArrayEquals(inputData, result.data);
}
@Override
public void serialize(OutputStream out, Record record) throws RecordSerializationException {
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule();
module.addSerializer(StandardRecord.class, new EventSerializer());
mapper.registerModule(module);
// map json to student
try {
mapper.enable(SerializationFeature.INDENT_OUTPUT);
mapper.setPropertyNamingStrategy(
PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES);
String jsonString = mapper.writeValueAsString(record);
out.write(jsonString.getBytes());
out.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
// [databind#661]
public void testCustomEnumMapKeySerializer() throws Exception {
String json = mapper.writeValueAsString(new MyBean661("abc"));
assertEquals(aposToQuotes("{'X-FOO':'abc'}"), json);
}
// [databind#594]
public void testJsonValueForEnumMapKey() throws Exception {
assertEquals(
aposToQuotes("{'stuff':{'longValue':'foo'}}"),
mapper.writeValueAsString(new MyStuff594("foo")));
}
public void testOverrideEnumAsNumber() throws Exception {
assertEquals("{\"value\":1}", mapper.writeValueAsString(new PoOverrideAsNumber()));
}
public void testEnumsWithJsonValue() throws Exception {
assertEquals("\"bar\"", mapper.writeValueAsString(EnumWithJsonValue.B));
}
// As of 2.5, use of Shape.ARRAY is legal alias for "write as number"
public void testEnumAsObjectBroken() throws Exception {
assertEquals("0", mapper.writeValueAsString(PoAsArray.A));
}
public void testEnumAsIndexViaAnnotations() throws Exception {
assertEquals("{\"text\":0}", mapper.writeValueAsString(new PoNUMContainer()));
}
public void testEnumAsObjectValid() throws Exception {
assertEquals("{\"value\":\"a1\"}", mapper.writeValueAsString(PoNUM.A));
}
// Test [JACKSON-214]
public void testSubclassedEnums() throws Exception {
assertEquals("\"B\"", mapper.writeValueAsString(EnumWithSubClass.B));
}
// [JACKSON-576]
public void testMapWithEnumKeys() throws Exception {
MapBean bean = new MapBean();
bean.add(TestEnum.B, 3);
String json = mapper.writeValueAsString(bean);
assertEquals("{\"map\":{\"b\":3}}", json);
}
public void testEnumsWithJsonValueUsingMixin() throws Exception {
// can't share, as new mix-ins are added
ObjectMapper m = new ObjectMapper();
m.addMixIn(TestEnum.class, ToStringMixin.class);
assertEquals("\"b\"", m.writeValueAsString(TestEnum.B));
}
/**
* Test for ensuring that @JsonSerializable is used with Enum types as well as with any other
* types.
*/
public void testSerializableEnum() throws Exception {
assertEquals("\"foo\"", mapper.writeValueAsString(SerializableEnum.A));
}
// [JACKSON-757]
public void testAnnotationsOnEnumCtor() throws Exception {
assertEquals(quote("V1"), mapper.writeValueAsString(OK.V1));
assertEquals(quote("V1"), mapper.writeValueAsString(NOT_OK.V1));
assertEquals(quote("V2"), mapper.writeValueAsString(NOT_OK2.V2));
}
public void testSimple() throws Exception {
assertEquals("\"B\"", mapper.writeValueAsString(TestEnum.B));
}