@Override
public CustomMap deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
CustomMap result = new CustomMap();
result.put("x", jp.getText());
return result;
}
/** Simple test to ensure that @JsonDeserialize.using is recognized */
public void testMapWithDeserializer() throws IOException {
ObjectMapper mapper = new ObjectMapper();
CustomMap result = mapper.readValue(quote("xyz"), CustomMap.class);
assertEquals(1, result.size());
assertEquals("xyz", result.get("x"));
}