// [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));
}
public void testSimpleKeyDeser() throws Exception {
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule("test", Version.unknownVersion());
module.addKeyDeserializer(String.class, new ContextualDeser("???"));
mapper.registerModule(module);
MapBean result = mapper.readValue("{\"map\":{\"a\":3}}", MapBean.class);
Map<String, Integer> map = result.map;
assertNotNull(map);
assertEquals(1, map.size());
Map.Entry<String, Integer> entry = map.entrySet().iterator().next();
assertEquals(Integer.valueOf(3), entry.getValue());
assertEquals("map:a", entry.getKey());
}
public void testSimpleKeySer() throws Exception {
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule("test", Version.unknownVersion());
module.addKeySerializer(String.class, new ContextualKeySerializer("prefix"));
mapper.registerModule(module);
Map<String, Object> input = new HashMap<String, Object>();
input.put("a", Integer.valueOf(3));
String json =
mapper
.writerWithType(
TypeFactory.defaultInstance()
.constructMapType(HashMap.class, String.class, Object.class))
.writeValueAsString(input);
assertEquals("{\"prefix:a\":3}", json);
}
@Override
public Record deserialize(InputStream in) throws RecordSerializationException {
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule();
module.addDeserializer(Record.class, new EventDeserializer());
mapper.registerModule(module);
Record record = null;
try {
record = mapper.readValue(in, Record.class);
} catch (IOException e) {
e.printStackTrace();
}
return record;
}
@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();
}
}
